Merge branch 'master' of https://github.com/gogf/gf

* version updates

* add local db configuration support for package gdb

* add local db configuration support for package gdb

* add local db configuration support for package gdb

.github/workflows/before_script.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+find . -name "*.go" | xargs gofmt -w
+git diff --name-only --exit-code || if [ $? != 0 ]; then echo "Notice: gofmt check failed,please gofmt before pr." && exit 1; fi
+echo "gofmt check pass."
+sudo echo "127.0.0.1   local" | sudo tee -a /etc/hosts

.github/workflows/build_and_test.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+GOARCH=${{ matrix.goarch }}
+for file in `find . -name go.mod`; do
+    dirpath=$(dirname $file)
+    echo $dirpath
+
+    # package oracle needs golang >= v1.17
+    if [ "oracle" = $(basename $dirpath) ]; then
+        if ! go version|grep -q "1.17"; then
+          echo "ignore oracle as go version: $(go version)"
+          continue 1
+        fi
+    fi
+
+    # package kuhecm needs golang >= v1.18
+    if [ "kubecm" = $(basename $dirpath) ]; then
+        if ! go version|grep -q "1.18"; then
+          echo "ignore kubecm as go version: $(go version)"
+          continue 1
+        fi
+    fi
+
+    # package example needs golang >= v1.18
+    if [ "example" = $(basename $dirpath) ]; then
+        if ! go version|grep -q "1.18"; then
+          echo "ignore example as go version: $(go version)"
+          continue 1
+        fi
+    fi
+
+    cd $dirpath
+    go mod tidy
+    go build ./...
+    go test ./... -race -coverprofile=coverage.out -covermode=atomic -coverpkg=./...,github.com/gogf/gf/... || exit 1
+    if grep -q "/gogf/gf/.*/v2" go.mod; then
+        sed -i "s/gogf\/gf\(\/.*\)\/v2/gogf\/gf\/v2\1/g" coverage.out
+    fi
+    cd -
+done

.github/workflows/cli.yml

@@ -52,7 +52,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           tag_name:     ${{ github.ref }}
-          release_name: GoFrame CLI Release ${{ github.ref }}
+          release_name: GoFrame Release ${{ github.ref }}
           draft:        false
           prerelease:   false
       

.github/workflows/docker/docker-compose.yml

@@ -0,0 +1,95 @@
+version: "2"
+
+services:
+  redis-master:
+    container_name: redis-master
+    image: "loads/redis:7.0"
+    environment:
+      - REDIS_REPLICATION_MODE=master
+      - REDIS_PASSWORD=111111
+    ports:
+      - 6380:6379
+
+  redis-slave1:
+    container_name: redis-slave1
+    image: "loads/redis:7.0"
+    environment:
+      - REDIS_REPLICATION_MODE=slave
+      - REDIS_MASTER_HOST=redis-master
+      - REDIS_MASTER_PASSWORD=111111
+      - REDIS_PASSWORD=111111
+    ports:
+      - 6381:6379
+    depends_on:
+      - redis-master
+    links:
+      - redis-master
+
+  redis-slave2:
+    container_name: redis-slave2
+    image: "loads/redis:7.0"
+    environment:
+      - REDIS_REPLICATION_MODE=slave
+      - REDIS_MASTER_HOST=redis-master
+      - REDIS_MASTER_PASSWORD=111111
+      - REDIS_PASSWORD=111111
+    ports:
+      - 6382:6379
+    depends_on:
+      - redis-master
+    links:
+      - redis-master
+
+  redis-sentinel-1:
+    container_name: redis-sentinel-1
+    image: "loads/redis-sentinel:7.0"
+    environment:
+      - REDIS_MASTER_HOST=redis-master
+      - REDIS_MASTER_PORT_NUMBER=6379
+      - REDIS_MASTER_PASSWORD=111111
+    depends_on:
+      - redis-master
+      - redis-slave1
+      - redis-slave2
+    ports:
+      - 26379:26379
+    links:
+      - redis-master
+      - redis-slave1
+      - redis-slave2
+
+  redis-sentinel-2:
+    container_name: redis-sentinel-2
+    image: "loads/redis-sentinel:7.0"
+    environment:
+      - REDIS_MASTER_HOST=redis-master
+      - REDIS_MASTER_PORT_NUMBER=6379
+      - REDIS_MASTER_PASSWORD=111111
+    depends_on:
+      - redis-master
+      - redis-slave1
+      - redis-slave2
+    links:
+      - redis-master
+      - redis-slave1
+      - redis-slave2
+    ports:
+      - 26380:26379
+
+  redis-sentinel-3:
+    container_name: redis-sentinel-3
+    image: "loads/redis-sentinel:7.0"
+    environment:
+      - REDIS_MASTER_HOST=redis-master
+      - REDIS_MASTER_PORT_NUMBER=6379
+      - REDIS_MASTER_PASSWORD=111111
+    depends_on:
+      - redis-master
+      - redis-slave1
+      - redis-slave2
+    ports:
+      - 26381:26379
+    links:
+      - redis-master
+      - redis-slave1
+      - redis-slave2

.github/workflows/gf.yml

@@ -6,18 +6,27 @@ on:
     branches:
     - master
     - develop
+    - personal/**
     - feature/**
+    - enhance/**
     - fix/**
 
   pull_request:
     branches:
     - master
     - develop
+    - personal/**
     - feature/**
+    - enhance/**
     - fix/**
 
+# This allows a subsequently queued workflow run to interrupt previous runs
+concurrency:
+  group: '${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}'
+  cancel-in-progress: true
+
 env:
-  GF_DEBUG: 0
+  TZ: "Asia/Shanghai"
 
 
 jobs:
@@ -49,11 +58,12 @@ jobs:
           - 3306:3306
 
       # PostgreSQL backend server.
+      # docker run -d --name postgres -p 5432:5432 -e POSTGRES_PASSWORD=12345678 -e POSTGRES_USER=postgres -e POSTGRES_DB=test -v postgres:/Users/john/Temp/postgresql/data loads/postgres:13
       postgres:
         image: loads/postgres:13
         env:
           POSTGRES_PASSWORD: 12345678
-          POSTGRES_USER:     root
+          POSTGRES_USER:     postgres
           POSTGRES_DB:       test
           TZ:                Asia/Shanghai
         ports:
@@ -92,12 +102,12 @@ jobs:
           - 9001:9001
 
       polaris:
-        image: polarismesh/polaris-server-standalone:latest
+        image: loads/polaris-server-standalone:latest
         ports:
           - 8090:8090
           - 8091:8091
 
-      #oracle 11g server
+      # oracle 11g server
       oracle-server:
         image: loads/oracle-xe-11g-r2:latest
         env:
@@ -108,16 +118,19 @@ jobs:
         ports:
           - 1521:1521
 
-
+      # dm8 server
+      dm-server:
+        image: loads/dm:v8.1.2.128_ent_x86_64_ctm_pack4
+        ports:
+          - 5236:5236
 
     strategy:
       matrix:
-        go: [ "1.15", "1.16", "1.17" ]
+        go-version: [ "1.15", "1.16", "1.17", "1.18" ]
         goarch: [ "386", "amd64" ]
 
-
     steps:
-    - name: Set Up Timezone
+    - name: Setup Timezone
       uses: szenius/set-timezone@v1.0
       with:
         timezoneLinux: "Asia/Shanghai"
@@ -125,42 +138,40 @@ jobs:
     - name: Checkout Repository
       uses: actions/checkout@v2
 
-    - name: Set Up Go
+    - name: Start Minikube
+      uses: medyagh/setup-minikube@master
+
+    - name: Setup Golang ${{ matrix.go-version }}
       uses: actions/setup-go@v2
       with:
-        go-version: ${{ matrix.go }}
+        go-version: ${{ matrix.go-version }}
+
+    - name: Setup Golang caches
+      uses: actions/cache@v3
+      with:
+        path: |
+          ~/go/pkg/mod
+          ~/.cache/go-build
+          ~/Library/Caches/go-build
+          ~\AppData\Local\go-build
+        key: ${{ runner.os }}-go-${{ matrix.go-version }}-${{ hashFiles('**/go.sum') }}
+        restore-keys: |
+          ${{ runner.os }}-go-${{ matrix.go-version }}-
+
+    - name: Start containers
+      run:  docker-compose -f ".github/workflows/docker/docker-compose.yml" up -d --build
 
     - name: Before Script
-      run: |
-        find . -name "*.go" | xargs gofmt -w
-        git diff --name-only --exit-code || if [ $? != 0 ]; then echo "Notice: gofmt check failed,please gofmt before pr." && exit 1; fi
-        echo "gofmt check pass."
-        sudo echo "127.0.0.1   local" | sudo tee -a /etc/hosts
+      run:  bash .github/workflows/before_script.sh
 
     - name: Build & Test
-      run: |
-        GOARCH=${{ matrix.goarch }}
-        for file in `find . -name go.mod`; do
-            dirpath=$(dirname $file)
+      run:  bash .github/workflows/build_and_test.sh
 
-            if [ "oracle" = $(basename $dirpath) ]; then
-                if ! go version|grep -q "1.17"; then
-                  continue 1
-                fi
-            fi
-
-            cd $dirpath
-            go mod tidy
-            go build ./...
-            go test ./... -race -coverprofile=coverage.out -covermode=atomic -coverpkg=./...,github.com/gogf/gf/... || exit 1
-            if grep -q "/gogf/gf/.*/v2" go.mod; then
-                sed -i "s/gogf\/gf\(\/.*\)\/v2/gogf\/gf\/v2\1/g" coverage.out
-            fi
-            cd -
-        done
+    - name: Stop containers
+      run:  docker-compose -f ".github/workflows/docker/docker-compose.yml" down
 
     - name: Report Coverage
       uses: codecov/codecov-action@v2
       with:
-        flags: go-${{ matrix.go }}-${{ matrix.goarch }}
+        flags: go-${{ matrix.go-version }}-${{ matrix.goarch }}
 

.github/workflows/issue-check-inactive.yml

@@ -0,0 +1,28 @@
+# 规则描述：每天凌晨3点(GMT+8)执行一次，将最近7天没有活跃且非BUG的ISSUE设置标签:inactive
+name: Issue Check Inactive
+
+on:
+  schedule:
+    - cron: "0 19 * * *"
+
+env: # 设置环境变量
+  TZ: Asia/Shanghai #时区（设置时区可使页面中的`最近更新时间`使用时区时间）
+
+permissions:
+  contents: read
+
+jobs:
+  issue-check-inactive:
+    permissions:
+      issues: write  # for actions-cool/issues-helper to update issues
+     # pull-requests: write  # for actions-cool/issues-helper to update PRs
+    runs-on: ubuntu-latest
+    steps:
+      - name: check-inactive
+        uses: actions-cool/issues-helper@v3
+        with:
+          actions: 'check-inactive'
+          inactive-label: 'inactive'
+          inactive-day: 7
+          issue-state: open
+          exclude-labels: 'bug,$exclude-empty'

.github/workflows/issue-close-inactive.yml

@@ -0,0 +1,23 @@
+# 规则描述：每天凌晨4点(GMT+8)执行一次，将最近30天没有活跃且非BUG的ISSUE关闭
+name: Issue Close Inactive
+
+on:
+  schedule:
+    - cron: "0 20 * * *"
+
+env: # 设置环境变量
+  TZ: Asia/Shanghai #时区（设置时区可使页面中的`最近更新时间`使用时区时间）
+
+jobs:
+  close-issues:
+    runs-on: ubuntu-latest
+    steps:
+      - name: need close
+        uses: actions-cool/issues-helper@v3
+        with:
+          actions: "close-issues"
+#          token: ${{ secrets.GF_TOKEN }}
+          labels: 'inactive'
+          inactive-day: 30
+          exclude-labels: 'bug,$exclude-empty'
+          close-reason: 'not active'

.github/workflows/issue-labeled.yml

@@ -0,0 +1,25 @@
+## 规则描述：当issue被标记为help wanted 时，增加评论
+
+name: Issue Labeled
+
+on:
+  issues:
+    types: [labeled]
+
+env: # 设置环境变量
+  TZ: Asia/Shanghai # 时区（设置时区可使页面中的`最近更新时间`使用时区时间）
+
+jobs:
+  reply-labeled:
+    runs-on: ubuntu-latest
+    steps:
+      - name: contribution welcome
+        if: github.event.label.name == 'help wanted'
+        uses: actions-cool/issues-helper@v3
+        with:
+          actions: "create-comment, remove-labels"
+#          token: ${{ secrets.GF_TOKEN }}
+          issue-number: ${{ github.event.issue.number }}
+          body: |
+            Hello @${{ github.event.issue.user.login }}. We like your proposal/feedback and would appreciate a contribution via a Pull Request by you or another community member. We thank you in advance for your contribution and are looking forward to reviewing it!
+            你好 @${{ github.event.issue.user.login }}。我们喜欢您的提案/反馈，并希望您或其他社区成员通过拉取请求做出贡献。我们提前感谢您的贡献，并期待对其进行审查。

.github/workflows/issue-remove-inactive.yml

@@ -0,0 +1,29 @@
+# 规则描述：在issue没有活跃且尚未被关闭期间，若issue作者更新或评论该ISSUE，则移除其inactive标签
+name: Issue Remove Inactive
+
+on:
+  issues:
+    types: [edited]
+  issue_comment:
+    types: [created, edited]
+
+env: # 设置环境变量
+  TZ: Asia/Shanghai #时区（设置时区可使页面中的`最近更新时间`使用时区时间）
+
+permissions:
+  contents: read
+
+jobs:
+  issue-remove-inactive:
+    permissions:
+      issues: write  # for actions-cool/issues-helper to update issues
+     # pull-requests: write  # for actions-cool/issues-helper to update PRs
+    runs-on: ubuntu-latest
+    steps:
+      - name: remove inactive
+        if: github.event.issue.state == 'open' && github.actor == github.event.issue.user.login
+        uses: actions-cool/issues-helper@v3
+        with:
+          actions: 'remove-labels'
+          issue-number: ${{ github.event.issue.number }}
+          labels: 'inactive'

.github/workflows/issue-remove-need-more-details.yml

@@ -0,0 +1,29 @@
+# 规则描述：将需要提供更多细节且暂未关闭的issue，在issue作者评论后，移除 need more details 标签
+name: Issue Remove Need More Details
+
+on:
+  issues:
+    types: [edited]
+  issue_comment:
+    types: [created, edited]
+
+env: # 设置环境变量
+  TZ: Asia/Shanghai #时区（设置时区可使页面中的`最近更新时间`使用时区时间）
+
+permissions:
+  contents: read
+
+jobs:
+  issue-remove-need-more-details:
+    permissions:
+      issues: write  # for actions-cool/issues-helper to update issues
+     # pull-requests: write  # for actions-cool/issues-helper to update PRs
+    runs-on: ubuntu-latest
+    steps:
+      - name: remove need more details
+        if: github.event.issue.state == 'open' && github.actor == github.event.issue.user.login
+        uses: actions-cool/issues-helper@v3
+        with:
+          actions: 'remove-labels'
+          issue-number: ${{ github.event.issue.number }}
+          labels: 'need more details'

cmd/gf/go.mod

@@ -3,11 +3,13 @@ module github.com/gogf/gf/cmd/gf/v2
 go 1.15
 
 require (
-	github.com/gogf/gf/contrib/drivers/mssql/v2 v2.0.6
-	github.com/gogf/gf/contrib/drivers/mysql/v2 v2.0.6
-	github.com/gogf/gf/contrib/drivers/pgsql/v2 v2.0.6
-	github.com/gogf/gf/v2 v2.0.6
+	github.com/gogf/gf/contrib/drivers/mssql/v2 v2.1.0
+	github.com/gogf/gf/contrib/drivers/mysql/v2 v2.1.0
+	github.com/gogf/gf/contrib/drivers/pgsql/v2 v2.1.0
+	github.com/gogf/gf/contrib/drivers/sqlite/v2 v2.1.0
+	github.com/gogf/gf/v2 v2.1.0
 	github.com/olekukonko/tablewriter v0.0.5
+	golang.org/x/tools v0.1.11
 )
 
 replace (

cmd/gf/go.sum

@@ -14,12 +14,15 @@ github.com/denisenkom/go-mssqldb v0.11.0 h1:9rHa233rhdOyrz2GcP9NM+gi2psgJZ4GWDpL
 github.com/denisenkom/go-mssqldb v0.11.0/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
+github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/fatih/color v1.13.0 h1:8LOYc1KYPPmyKMuN8QV2DNRWNbLo6LZ0iLs8+mlH53w=
 github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/fsnotify/fsnotify v1.5.4 h1:jRbGcIw6P2Meqdwuo0H1p6JVLbL5DHKAKlYndzMwVZI=
 github.com/fsnotify/fsnotify v1.5.4/go.mod h1:OVB6XrOHzAwXMpEM7uPOzcehqUV2UqJxmVXmkdnm1bU=
+github.com/glebarez/go-sqlite v1.17.3 h1:Rji9ROVSTTfjuWD6j5B+8DtkNvPILoUC3xRhkQzGxvk=
+github.com/glebarez/go-sqlite v1.17.3/go.mod h1:Hg+PQuhUy98XCxWEJEaWob8x7lhJzhNYF1nZbUiRGIY=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
 github.com/go-logr/logr v1.2.3/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
@@ -45,16 +48,20 @@ github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiu
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
 github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
 github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
+github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
 github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/grokify/html-strip-tags-go v0.0.1 h1:0fThFwLbW7P/kOiTBs03FsJSV9RM2M/Q/MOnCQxKMo0=
 github.com/grokify/html-strip-tags-go v0.0.1/go.mod h1:2Su6romC5/1VXOQMaWL2yb618ARB8iVo6/DR99A6d78=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
+github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
 github.com/lib/pq v1.10.4 h1:SO9z7FRPzA03QhHKJrH5BXA6HU1rS4V2nIVrrNC1iYk=
 github.com/lib/pq v1.10.4/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/magiconair/properties v1.8.6 h1:5ibWZ6iY0NctNGWo87LalDlEZ6R41TqbbDamhfG/Qzo=
@@ -66,6 +73,7 @@ github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9
 github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
 github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
 github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/mattn/go-sqlite3 v1.14.12/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
 github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=
@@ -85,12 +93,15 @@ github.com/onsi/gomega v1.18.1 h1:M1GfJqGRrBrrGGsbxzV5dqM2U2ApXefZCQpkukxYRLE=
 github.com/onsi/gomega v1.18.1/go.mod h1:0q+aL8jAiMXy9hbwj2mr5GziHiwhAIQpFmmtT5hitRs=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 h1:OdAsTTz6OkFY5QxjkYwrChwuRruF69c169dPK26NUlk=
+github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.4.0/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 go.opentelemetry.io/otel v1.7.0 h1:Z2lA3Tdch0iDcrhJXDIlC94XE+bxok1F9B+4Lz/lGsM=
 go.opentelemetry.io/otel v1.7.0/go.mod h1:5BdUoMIz5WEs0vt0CUEMtSSaTSHBBVwrhnz7+nrD5xk=
 go.opentelemetry.io/otel/sdk v1.7.0 h1:4OmStpcKVOfvDOgCt7UriAPtKolwIhxpnSNI/yK+1B0=
@@ -100,17 +111,22 @@ go.opentelemetry.io/otel/trace v1.7.0/go.mod h1:fzLSB9nqR2eXzxPXb2JW9IKE+ScyXA48
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 h1:7I4JAnoQBe7ZtJcBaYHi5UtiO8tQHbUSXxL+pnGRANg=
+golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 h1:6zppjxzCulZykYSLyVDYbneBfbaBIQPYMevg0bEwv2s=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
 golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 h1:CIJ76btIcR3eFI5EgSo6k1qKw9KJexJuRLI9G7Hp5wE=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -132,21 +148,29 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211007075335-d3039528d8ac/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220405052023-b1e9470b6e64/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220412211240-33da011f77ad h1:ntjMns5wyP/fN65tdBD4g8J5w8n015+iIIs9rtjXkY0=
 golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.3.8-0.20211105212822-18b340fc7af2 h1:GLw7MR8AfAG2GmGcmVgObFOHXYypgGjnGno25RDwn3Y=
 golang.org/x/text v0.3.8-0.20211105212822-18b340fc7af2/go.mod h1:EFNZuWvGYxIRUEX+K8UmCFwYmZjqcrnq15ZuVldZkZ0=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20201124115921-2c860bdd6e78/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.7/go.mod h1:LGqMHiF4EqQNHR1JncWGqT5BVaXmza+X+BDGol+dOxo=
+golang.org/x/tools v0.1.11 h1:loJ25fNOEhSXfHrpoGj91eCUThwdNX6u24rO1xnNteY=
+golang.org/x/tools v0.1.11/go.mod h1:SgwaegtQh8clINPpECJMqnxLv9I09HLqnW3RMqW0CA4=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -174,3 +198,29 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+lukechampine.com/uint128 v1.1.1/go.mod h1:c4eWIwlEGaxC/+H1VguhU4PHXNWDCDMUlWdIWl2j1gk=
+modernc.org/cc/v3 v3.36.0/go.mod h1:NFUHyPn4ekoC/JHeZFfZurN6ixxawE1BnVonP/oahEI=
+modernc.org/ccgo/v3 v3.0.0-20220428102840-41399a37e894/go.mod h1:eI31LL8EwEBKPpNpA4bU1/i+sKOwOrQy8D87zWUcRZc=
+modernc.org/ccgo/v3 v3.0.0-20220430103911-bc99d88307be/go.mod h1:bwdAnOoaIt8Ax9YdWGjxWsdkPcZyRPHqrOvJxaKAKGw=
+modernc.org/ccgo/v3 v3.16.4/go.mod h1:tGtX0gE9Jn7hdZFeU88slbTh1UtCYKusWOoCJuvkWsQ=
+modernc.org/ccgo/v3 v3.16.6/go.mod h1:tGtX0gE9Jn7hdZFeU88slbTh1UtCYKusWOoCJuvkWsQ=
+modernc.org/ccorpus v1.11.6/go.mod h1:2gEUTrWqdpH2pXsmTM1ZkjeSrUWDpjMu2T6m29L/ErQ=
+modernc.org/httpfs v1.0.6/go.mod h1:7dosgurJGp0sPaRanU53W4xZYKh14wfzX420oZADeHM=
+modernc.org/libc v0.0.0-20220428101251-2d5f3daf273b/go.mod h1:p7Mg4+koNjc8jkqwcoFBJx7tXkpj00G77X7A72jXPXA=
+modernc.org/libc v1.16.0/go.mod h1:N4LD6DBE9cf+Dzf9buBlzVJndKr/iJHG97vGLHYnb5A=
+modernc.org/libc v1.16.1/go.mod h1:JjJE0eu4yeK7tab2n4S1w8tlWd9MxXLRzheaRnAKymU=
+modernc.org/libc v1.16.7/go.mod h1:hYIV5VZczAmGZAnG15Vdngn5HSF5cSkbvfz2B7GRuVU=
+modernc.org/libc v1.16.8 h1:Ux98PaOMvolgoFX/YwusFOHBnanXdGRmWgI8ciI2z4o=
+modernc.org/libc v1.16.8/go.mod h1:hYIV5VZczAmGZAnG15Vdngn5HSF5cSkbvfz2B7GRuVU=
+modernc.org/mathutil v1.2.2/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
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+modernc.org/memory v1.1.1 h1:bDOL0DIDLQv7bWhP3gMvIrnoFw+Eo6F7a2QK9HPDiFU=
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+modernc.org/sqlite v1.17.3 h1:iE+coC5g17LtByDYDWKpR6m2Z9022YrSh3bumwOnIrI=
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+modernc.org/z v1.5.1/go.mod h1:eWFB510QWW5Th9YGZT81s+LwvaAs3Q2yr4sP0rmLkv8=

cmd/gf/internal/cmd/cmd_gen_dao.go

@@ -1,811 +1,15 @@
 package cmd
 
 import (
-	"bytes"
-	"context"
-	"fmt"
-	"strings"
-
-	"github.com/gogf/gf/cmd/gf/v2/internal/consts"
-	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
-	"github.com/gogf/gf/cmd/gf/v2/internal/utility/utils"
-	"github.com/gogf/gf/v2/container/garray"
-	"github.com/gogf/gf/v2/database/gdb"
-	"github.com/gogf/gf/v2/frame/g"
-	"github.com/gogf/gf/v2/os/gfile"
-	"github.com/gogf/gf/v2/os/gtime"
-	"github.com/gogf/gf/v2/text/gregex"
-	"github.com/gogf/gf/v2/text/gstr"
-	"github.com/gogf/gf/v2/util/gtag"
-	"github.com/olekukonko/tablewriter"
-
 	_ "github.com/gogf/gf/contrib/drivers/mssql/v2"
 	_ "github.com/gogf/gf/contrib/drivers/mysql/v2"
 	_ "github.com/gogf/gf/contrib/drivers/pgsql/v2"
-	//_ "github.com/gogf/gf/contrib/drivers/sqlite/v2"
+	_ "github.com/gogf/gf/contrib/drivers/sqlite/v2"
 	//_ "github.com/gogf/gf/contrib/drivers/oracle/v2"
+
+	"github.com/gogf/gf/cmd/gf/v2/internal/cmd/gendao"
 )
 
-const (
-	cGenDaoConfig = `gfcli.gen.dao`
-	cGenDaoUsage  = `gf gen dao [OPTION]`
-	cGenDaoBrief  = `automatically generate go files for dao/do/entity`
-	cGenDaoEg     = `
-gf gen dao
-gf gen dao -l "mysql:root:12345678@tcp(127.0.0.1:3306)/test"
-gf gen dao -p ./model -g user-center -t user,user_detail,user_login
-gf gen dao -r user_
-`
-
-	cGenDaoAd = `
-CONFIGURATION SUPPORT
-    Options are also supported by configuration file.
-    It's suggested using configuration file instead of command line arguments making producing.
-    The configuration node name is "gfcli.gen.dao", which also supports multiple databases, for example(config.yaml):
-	gfcli:
-	  gen:
-		dao:
-		- link:     "mysql:root:12345678@tcp(127.0.0.1:3306)/test"
-		  tables:   "order,products"
-		  jsonCase: "CamelLower"
-
-		- link:   "mysql:root:12345678@tcp(127.0.0.1:3306)/primary"
-		  path:   "./my-app"
-		  prefix: "primary_"
-		  tables: "user, userDetail"
-`
-	cGenDaoBriefPath            = `directory path for generated files`
-	cGenDaoBriefLink            = `database configuration, the same as the ORM configuration of GoFrame`
-	cGenDaoBriefTables          = `generate models only for given tables, multiple table names separated with ','`
-	cGenDaoBriefTablesEx        = `generate models excluding given tables, multiple table names separated with ','`
-	cGenDaoBriefPrefix          = `add prefix for all table of specified link/database tables`
-	cGenDaoBriefRemovePrefix    = `remove specified prefix of the table, multiple prefix separated with ','`
-	cGenDaoBriefStdTime         = `use time.Time from stdlib instead of gtime.Time for generated time/date fields of tables`
-	cGenDaoBriefWithTime        = `add created time for auto produced go files`
-	cGenDaoBriefGJsonSupport    = `use gJsonSupport to use *gjson.Json instead of string for generated json fields of tables`
-	cGenDaoBriefImportPrefix    = `custom import prefix for generated go files`
-	cGenDaoBriefDaoPath         = `directory path for storing generated dao files under path`
-	cGenDaoBriefDoPath          = `directory path for storing generated do files under path`
-	cGenDaoBriefEntityPath      = `directory path for storing generated entity files under path`
-	cGenDaoBriefOverwriteDao    = `overwrite all dao files both inside/outside internal folder`
-	cGenDaoBriefModelFile       = `custom file name for storing generated model content`
-	cGenDaoBriefModelFileForDao = `custom file name generating model for DAO operations like Where/Data. It's empty in default`
-	cGenDaoBriefDescriptionTag  = `add comment to description tag for each field`
-	cGenDaoBriefNoJsonTag       = `no json tag will be added for each field`
-	cGenDaoBriefNoModelComment  = `no model comment will be added for each field`
-	cGenDaoBriefGroup           = `
-specifying the configuration group name of database for generated ORM instance,
-it's not necessary and the default value is "default"
-`
-	cGenDaoBriefJsonCase = `
-generated json tag case for model struct, cases are as follows:
-| Case            | Example            |
-|---------------- |--------------------|
-| Camel           | AnyKindOfString    |
-| CamelLower      | anyKindOfString    | default
-| Snake           | any_kind_of_string |
-| SnakeScreaming  | ANY_KIND_OF_STRING |
-| SnakeFirstUpper | rgb_code_md5       |
-| Kebab           | any-kind-of-string |
-| KebabScreaming  | ANY-KIND-OF-STRING |
-`
-
-	tplVarTableName               = `{TplTableName}`
-	tplVarTableNameCamelCase      = `{TplTableNameCamelCase}`
-	tplVarTableNameCamelLowerCase = `{TplTableNameCamelLowerCase}`
-	tplVarPackageImports          = `{TplPackageImports}`
-	tplVarImportPrefix            = `{TplImportPrefix}`
-	tplVarStructDefine            = `{TplStructDefine}`
-	tplVarColumnDefine            = `{TplColumnDefine}`
-	tplVarColumnNames             = `{TplColumnNames}`
-	tplVarGroupName               = `{TplGroupName}`
-	tplVarDatetimeStr             = `{TplDatetimeStr}`
-)
-
-var (
-	createdAt = gtime.Now()
-)
-
-func init() {
-	gtag.Sets(g.MapStrStr{
-		`cGenDaoConfig`:               cGenDaoConfig,
-		`cGenDaoUsage`:                cGenDaoUsage,
-		`cGenDaoBrief`:                cGenDaoBrief,
-		`cGenDaoEg`:                   cGenDaoEg,
-		`cGenDaoAd`:                   cGenDaoAd,
-		`cGenDaoBriefPath`:            cGenDaoBriefPath,
-		`cGenDaoBriefLink`:            cGenDaoBriefLink,
-		`cGenDaoBriefTables`:          cGenDaoBriefTables,
-		`cGenDaoBriefTablesEx`:        cGenDaoBriefTablesEx,
-		`cGenDaoBriefPrefix`:          cGenDaoBriefPrefix,
-		`cGenDaoBriefRemovePrefix`:    cGenDaoBriefRemovePrefix,
-		`cGenDaoBriefStdTime`:         cGenDaoBriefStdTime,
-		`cGenDaoBriefWithTime`:        cGenDaoBriefWithTime,
-		`cGenDaoBriefDaoPath`:         cGenDaoBriefDaoPath,
-		`cGenDaoBriefDoPath`:          cGenDaoBriefDoPath,
-		`cGenDaoBriefEntityPath`:      cGenDaoBriefEntityPath,
-		`cGenDaoBriefGJsonSupport`:    cGenDaoBriefGJsonSupport,
-		`cGenDaoBriefImportPrefix`:    cGenDaoBriefImportPrefix,
-		`cGenDaoBriefOverwriteDao`:    cGenDaoBriefOverwriteDao,
-		`cGenDaoBriefModelFile`:       cGenDaoBriefModelFile,
-		`cGenDaoBriefModelFileForDao`: cGenDaoBriefModelFileForDao,
-		`cGenDaoBriefDescriptionTag`:  cGenDaoBriefDescriptionTag,
-		`cGenDaoBriefNoJsonTag`:       cGenDaoBriefNoJsonTag,
-		`cGenDaoBriefNoModelComment`:  cGenDaoBriefNoModelComment,
-		`cGenDaoBriefGroup`:           cGenDaoBriefGroup,
-		`cGenDaoBriefJsonCase`:        cGenDaoBriefJsonCase,
-	})
-}
-
 type (
-	cGenDao      struct{}
-	cGenDaoInput struct {
-		g.Meta         `name:"dao" config:"{cGenDaoConfig}" usage:"{cGenDaoUsage}" brief:"{cGenDaoBrief}" eg:"{cGenDaoEg}" ad:"{cGenDaoAd}"`
-		Path           string `name:"path"            short:"p"  brief:"{cGenDaoBriefPath}" d:"internal"`
-		Link           string `name:"link"            short:"l"  brief:"{cGenDaoBriefLink}"`
-		Tables         string `name:"tables"          short:"t"  brief:"{cGenDaoBriefTables}"`
-		TablesEx       string `name:"tablesEx"        short:"x"  brief:"{cGenDaoBriefTablesEx}"`
-		Group          string `name:"group"           short:"g"  brief:"{cGenDaoBriefGroup}" d:"default"`
-		Prefix         string `name:"prefix"          short:"f"  brief:"{cGenDaoBriefPrefix}"`
-		RemovePrefix   string `name:"removePrefix"    short:"r"  brief:"{cGenDaoBriefRemovePrefix}"`
-		JsonCase       string `name:"jsonCase"        short:"j"  brief:"{cGenDaoBriefJsonCase}" d:"CamelLower"`
-		ImportPrefix   string `name:"importPrefix"    short:"i"  brief:"{cGenDaoBriefImportPrefix}"`
-		DaoPath        string `name:"daoPath"         short:"d"  brief:"{cGenDaoBriefDaoPath}"    d:"dao"`
-		DoPath         string `name:"doPath"          short:"o"  brief:"{cGenDaoBriefDoPath}"     d:"model/do"`
-		EntityPath     string `name:"entityPath"      short:"e"  brief:"{cGenDaoBriefEntityPath}" d:"model/entity"`
-		StdTime        bool   `name:"stdTime"         short:"s"  brief:"{cGenDaoBriefStdTime}"         orphan:"true"`
-		WithTime       bool   `name:"withTime"        short:"w"  brief:"{cGenDaoBriefWithTime}"        orphan:"true"`
-		GJsonSupport   bool   `name:"gJsonSupport"    short:"n"  brief:"{cGenDaoBriefGJsonSupport}"    orphan:"true"`
-		OverwriteDao   bool   `name:"overwriteDao"    short:"v"  brief:"{cGenDaoBriefOverwriteDao}"    orphan:"true"`
-		DescriptionTag bool   `name:"descriptionTag"  short:"c"  brief:"{cGenDaoBriefDescriptionTag}"  orphan:"true"`
-		NoJsonTag      bool   `name:"noJsonTag"       short:"k"  brief:"{cGenDaoBriefNoJsonTag"        orphan:"true"`
-		NoModelComment bool   `name:"noModelComment"  short:"m"  brief:"{cGenDaoBriefNoModelComment}"  orphan:"true"`
-	}
-	cGenDaoOutput struct{}
-
-	cGenDaoInternalInput struct {
-		cGenDaoInput
-		TableName    string // TableName specifies the table name of the table.
-		NewTableName string // NewTableName specifies the prefix-stripped name of the table.
-		ModName      string // ModName specifies the module name of current golang project, which is used for import purpose.
-	}
+	cGenDao = gendao.CGenDao
 )
-
-func (c cGenDao) Dao(ctx context.Context, in cGenDaoInput) (out *cGenDaoOutput, err error) {
-	if g.Cfg().Available(ctx) {
-		v := g.Cfg().MustGet(ctx, cGenDaoConfig)
-		if v.IsSlice() {
-			for i := 0; i < len(v.Interfaces()); i++ {
-				doGenDaoForArray(ctx, i, in)
-			}
-		} else {
-			doGenDaoForArray(ctx, -1, in)
-		}
-	} else {
-		doGenDaoForArray(ctx, -1, in)
-	}
-	mlog.Print("done!")
-	return
-}
-
-// doGenDaoForArray implements the "gen dao" command for configuration array.
-func doGenDaoForArray(ctx context.Context, index int, in cGenDaoInput) {
-	var (
-		err     error
-		db      gdb.DB
-		modName string // Go module name, eg: github.com/gogf/gf.
-	)
-	if index >= 0 {
-		err = g.Cfg().MustGet(
-			ctx,
-			fmt.Sprintf(`%s.%d`, cGenDaoConfig, index),
-		).Scan(&in)
-		if err != nil {
-			mlog.Fatalf(`invalid configuration of "%s": %+v`, cGenDaoConfig, err)
-		}
-	}
-	if dirRealPath := gfile.RealPath(in.Path); dirRealPath == "" {
-		mlog.Fatalf(`path "%s" does not exist`, in.Path)
-	}
-	removePrefixArray := gstr.SplitAndTrim(in.RemovePrefix, ",")
-	if in.ImportPrefix == "" {
-		if !gfile.Exists("go.mod") {
-			mlog.Fatal("go.mod does not exist in current working directory")
-		}
-		var (
-			goModContent = gfile.GetContents("go.mod")
-			match, _     = gregex.MatchString(`^module\s+(.+)\s*`, goModContent)
-		)
-		if len(match) > 1 {
-			modName = gstr.Trim(match[1])
-		} else {
-			mlog.Fatal("module name does not found in go.mod")
-		}
-	}
-
-	// It uses user passed database configuration.
-	if in.Link != "" {
-		var (
-			tempGroup = gtime.TimestampNanoStr()
-			match, _  = gregex.MatchString(`([a-z]+):(.+)`, in.Link)
-		)
-		if len(match) == 3 {
-			gdb.AddConfigNode(tempGroup, gdb.ConfigNode{
-				Type: gstr.Trim(match[1]),
-				Link: gstr.Trim(match[2]),
-			})
-			if db, err = gdb.Instance(tempGroup); err != nil {
-				mlog.Debugf(`database initialization failed: %+v`, err)
-			}
-		} else {
-			mlog.Fatalf(`invalid database configuration: %s`, in.Link)
-		}
-	} else {
-		db = g.DB(in.Group)
-	}
-	if db == nil {
-		mlog.Fatal(`database initialization failed, may be invalid database configuration`)
-	}
-
-	var tableNames []string
-	if in.Tables != "" {
-		tableNames = gstr.SplitAndTrim(in.Tables, ",")
-	} else {
-		tableNames, err = db.Tables(context.TODO())
-		if err != nil {
-			mlog.Fatalf("fetching tables failed: %+v", err)
-		}
-	}
-	// Table excluding.
-	if in.TablesEx != "" {
-		array := garray.NewStrArrayFrom(tableNames)
-		for _, v := range gstr.SplitAndTrim(in.TablesEx, ",") {
-			array.RemoveValue(v)
-		}
-		tableNames = array.Slice()
-	}
-
-	// Generating dao & model go files one by one according to given table name.
-	newTableNames := make([]string, len(tableNames))
-	for i, tableName := range tableNames {
-		newTableName := tableName
-		for _, v := range removePrefixArray {
-			newTableName = gstr.TrimLeftStr(newTableName, v, 1)
-		}
-		newTableName = in.Prefix + newTableName
-		newTableNames[i] = newTableName
-		// Dao.
-		generateDao(ctx, db, cGenDaoInternalInput{
-			cGenDaoInput: in,
-			TableName:    tableName,
-			NewTableName: newTableName,
-			ModName:      modName,
-		})
-	}
-	// Do.
-	generateDo(ctx, db, tableNames, newTableNames, cGenDaoInternalInput{
-		cGenDaoInput: in,
-		ModName:      modName,
-	})
-	// Entity.
-	generateEntity(ctx, db, tableNames, newTableNames, cGenDaoInternalInput{
-		cGenDaoInput: in,
-		ModName:      modName,
-	})
-}
-
-// generateDaoContentFile generates the dao and model content of given table.
-func generateDao(ctx context.Context, db gdb.DB, in cGenDaoInternalInput) {
-	// Generating table data preparing.
-	fieldMap, err := db.TableFields(ctx, in.TableName)
-	if err != nil {
-		mlog.Fatalf(`fetching tables fields failed for table "%s": %+v`, in.TableName, err)
-	}
-	var (
-		dirRealPath             = gfile.RealPath(in.Path)
-		dirPathDao              = gfile.Join(in.Path, in.DaoPath)
-		tableNameCamelCase      = gstr.CaseCamel(in.NewTableName)
-		tableNameCamelLowerCase = gstr.CaseCamelLower(in.NewTableName)
-		tableNameSnakeCase      = gstr.CaseSnake(in.NewTableName)
-		importPrefix            = in.ImportPrefix
-	)
-	if importPrefix == "" {
-		if dirRealPath == "" {
-			dirRealPath = in.Path
-			importPrefix = dirRealPath
-			importPrefix = gstr.Trim(dirRealPath, "./")
-		} else {
-			importPrefix = gstr.Replace(dirRealPath, gfile.Pwd(), "")
-		}
-		importPrefix = gstr.Replace(importPrefix, gfile.Separator, "/")
-		importPrefix = gstr.Join(g.SliceStr{in.ModName, importPrefix, in.DaoPath}, "/")
-		importPrefix, _ = gregex.ReplaceString(`\/{2,}`, `/`, gstr.Trim(importPrefix, "/"))
-	} else {
-		importPrefix = gstr.Join(g.SliceStr{importPrefix, in.DaoPath}, "/")
-	}
-
-	fileName := gstr.Trim(tableNameSnakeCase, "-_.")
-	if len(fileName) > 5 && fileName[len(fileName)-5:] == "_test" {
-		// Add suffix to avoid the table name which contains "_test",
-		// which would make the go file a testing file.
-		fileName += "_table"
-	}
-
-	// dao - index
-	generateDaoIndex(in, tableNameCamelCase, tableNameCamelLowerCase, importPrefix, dirPathDao, fileName)
-
-	// dao - internal
-	generateDaoInternal(in, tableNameCamelCase, tableNameCamelLowerCase, importPrefix, dirPathDao, fileName, fieldMap)
-}
-
-func generateDo(ctx context.Context, db gdb.DB, tableNames, newTableNames []string, in cGenDaoInternalInput) {
-	var (
-		doDirPath = gfile.Join(in.Path, in.DoPath)
-	)
-	in.NoJsonTag = true
-	in.DescriptionTag = false
-	in.NoModelComment = false
-	// Model content.
-	for i, tableName := range tableNames {
-		in.TableName = tableName
-		fieldMap, err := db.TableFields(ctx, tableName)
-		if err != nil {
-			mlog.Fatalf("fetching tables fields failed for table '%s':\n%v", in.TableName, err)
-		}
-		var (
-			newTableName     = newTableNames[i]
-			doFilePath       = gfile.Join(doDirPath, gstr.CaseSnake(newTableName)+".go")
-			structDefinition = generateStructDefinition(generateStructDefinitionInput{
-				cGenDaoInternalInput: in,
-				StructName:           gstr.CaseCamel(newTableName),
-				FieldMap:             fieldMap,
-				IsDo:                 true,
-			})
-		)
-		// replace all types to interface{}.
-		structDefinition, _ = gregex.ReplaceStringFuncMatch(
-			"([A-Z]\\w*?)\\s+([\\w\\*\\.]+?)\\s+(//)",
-			structDefinition,
-			func(match []string) string {
-				// If the type is already a pointer/slice/map, it does nothing.
-				if !gstr.HasPrefix(match[2], "*") && !gstr.HasPrefix(match[2], "[]") && !gstr.HasPrefix(match[2], "map") {
-					return fmt.Sprintf(`%s interface{} %s`, match[1], match[3])
-				}
-				return match[0]
-			},
-		)
-		modelContent := generateDoContent(
-			in,
-			tableName,
-			gstr.CaseCamel(newTableName),
-			structDefinition,
-		)
-		err = gfile.PutContents(doFilePath, strings.TrimSpace(modelContent))
-		if err != nil {
-			mlog.Fatalf(`writing content to "%s" failed: %v`, doFilePath, err)
-		} else {
-			utils.GoFmt(doFilePath)
-			mlog.Print("generated:", doFilePath)
-		}
-	}
-}
-
-func generateEntity(ctx context.Context, db gdb.DB, tableNames, newTableNames []string, in cGenDaoInternalInput) {
-	var (
-		entityDirPath = gfile.Join(in.Path, in.EntityPath)
-	)
-
-	// Model content.
-	for i, tableName := range tableNames {
-		fieldMap, err := db.TableFields(ctx, tableName)
-		if err != nil {
-			mlog.Fatalf("fetching tables fields failed for table '%s':\n%v", in.TableName, err)
-		}
-		var (
-			newTableName   = newTableNames[i]
-			entityFilePath = gfile.Join(entityDirPath, gstr.CaseSnake(newTableName)+".go")
-			entityContent  = generateEntityContent(
-				in,
-				newTableName,
-				gstr.CaseCamel(newTableName),
-				generateStructDefinition(generateStructDefinitionInput{
-					cGenDaoInternalInput: in,
-					StructName:           gstr.CaseCamel(newTableName),
-					FieldMap:             fieldMap,
-					IsDo:                 false,
-				}),
-			)
-		)
-		err = gfile.PutContents(entityFilePath, strings.TrimSpace(entityContent))
-		if err != nil {
-			mlog.Fatalf("writing content to '%s' failed: %v", entityFilePath, err)
-		} else {
-			utils.GoFmt(entityFilePath)
-			mlog.Print("generated:", entityFilePath)
-		}
-	}
-}
-
-func getImportPartContent(source string, isDo bool) string {
-	var (
-		packageImportsArray = garray.NewStrArray()
-	)
-
-	if isDo {
-		packageImportsArray.Append(`"github.com/gogf/gf/v2/frame/g"`)
-	}
-
-	// Time package recognition.
-	if strings.Contains(source, "gtime.Time") {
-		packageImportsArray.Append(`"github.com/gogf/gf/v2/os/gtime"`)
-	} else if strings.Contains(source, "time.Time") {
-		packageImportsArray.Append(`"time"`)
-	}
-
-	// Json type.
-	if strings.Contains(source, "gjson.Json") {
-		packageImportsArray.Append(`"github.com/gogf/gf/v2/encoding/gjson"`)
-	}
-
-	// Generate and write content to golang file.
-	packageImportsStr := ""
-	if packageImportsArray.Len() > 0 {
-		packageImportsStr = fmt.Sprintf("import(\n%s\n)", packageImportsArray.Join("\n"))
-	}
-	return packageImportsStr
-}
-
-func generateEntityContent(in cGenDaoInternalInput, tableName, tableNameCamelCase, structDefine string) string {
-	entityContent := gstr.ReplaceByMap(consts.TemplateGenDaoEntityContent, g.MapStrStr{
-		tplVarTableName:          tableName,
-		tplVarPackageImports:     getImportPartContent(structDefine, false),
-		tplVarTableNameCamelCase: tableNameCamelCase,
-		tplVarStructDefine:       structDefine,
-	})
-	entityContent = replaceDefaultVar(in, entityContent)
-	return entityContent
-}
-
-func generateDoContent(in cGenDaoInternalInput, tableName, tableNameCamelCase, structDefine string) string {
-	doContent := gstr.ReplaceByMap(consts.TemplateGenDaoDoContent, g.MapStrStr{
-		tplVarTableName:          tableName,
-		tplVarPackageImports:     getImportPartContent(structDefine, true),
-		tplVarTableNameCamelCase: tableNameCamelCase,
-		tplVarStructDefine:       structDefine,
-	})
-	doContent = replaceDefaultVar(in, doContent)
-	return doContent
-}
-
-func generateDaoIndex(in cGenDaoInternalInput, tableNameCamelCase, tableNameCamelLowerCase, importPrefix, dirPathDao, fileName string) {
-	path := gfile.Join(dirPathDao, fileName+".go")
-	if in.OverwriteDao || !gfile.Exists(path) {
-		indexContent := gstr.ReplaceByMap(getTplDaoIndexContent(""), g.MapStrStr{
-			tplVarImportPrefix:            importPrefix,
-			tplVarTableName:               in.TableName,
-			tplVarTableNameCamelCase:      tableNameCamelCase,
-			tplVarTableNameCamelLowerCase: tableNameCamelLowerCase,
-		})
-		indexContent = replaceDefaultVar(in, indexContent)
-		if err := gfile.PutContents(path, strings.TrimSpace(indexContent)); err != nil {
-			mlog.Fatalf("writing content to '%s' failed: %v", path, err)
-		} else {
-			utils.GoFmt(path)
-			mlog.Print("generated:", path)
-		}
-	}
-}
-
-func generateDaoInternal(
-	in cGenDaoInternalInput,
-	tableNameCamelCase, tableNameCamelLowerCase, importPrefix string,
-	dirPathDao, fileName string,
-	fieldMap map[string]*gdb.TableField,
-) {
-	path := gfile.Join(dirPathDao, "internal", fileName+".go")
-	modelContent := gstr.ReplaceByMap(getTplDaoInternalContent(""), g.MapStrStr{
-		tplVarImportPrefix:            importPrefix,
-		tplVarTableName:               in.TableName,
-		tplVarGroupName:               in.Group,
-		tplVarTableNameCamelCase:      tableNameCamelCase,
-		tplVarTableNameCamelLowerCase: tableNameCamelLowerCase,
-		tplVarColumnDefine:            gstr.Trim(generateColumnDefinitionForDao(fieldMap)),
-		tplVarColumnNames:             gstr.Trim(generateColumnNamesForDao(fieldMap)),
-	})
-	modelContent = replaceDefaultVar(in, modelContent)
-	if err := gfile.PutContents(path, strings.TrimSpace(modelContent)); err != nil {
-		mlog.Fatalf("writing content to '%s' failed: %v", path, err)
-	} else {
-		utils.GoFmt(path)
-		mlog.Print("generated:", path)
-	}
-}
-
-func replaceDefaultVar(in cGenDaoInternalInput, origin string) string {
-	var tplDatetimeStr string
-	if in.WithTime {
-		tplDatetimeStr = fmt.Sprintf(`Created at %s`, createdAt.String())
-	}
-	return gstr.ReplaceByMap(origin, g.MapStrStr{
-		tplVarDatetimeStr: tplDatetimeStr,
-	})
-}
-
-type generateStructDefinitionInput struct {
-	cGenDaoInternalInput
-	StructName string                     // Struct name.
-	FieldMap   map[string]*gdb.TableField // Table field map.
-	IsDo       bool                       // Is generating DTO struct.
-}
-
-func generateStructDefinition(in generateStructDefinitionInput) string {
-	buffer := bytes.NewBuffer(nil)
-	array := make([][]string, len(in.FieldMap))
-	names := sortFieldKeyForDao(in.FieldMap)
-	for index, name := range names {
-		field := in.FieldMap[name]
-		array[index] = generateStructFieldDefinition(field, in)
-	}
-	tw := tablewriter.NewWriter(buffer)
-	tw.SetBorder(false)
-	tw.SetRowLine(false)
-	tw.SetAutoWrapText(false)
-	tw.SetColumnSeparator("")
-	tw.AppendBulk(array)
-	tw.Render()
-	stContent := buffer.String()
-	// Let's do this hack of table writer for indent!
-	stContent = gstr.Replace(stContent, "  #", "")
-	stContent = gstr.Replace(stContent, "` ", "`")
-	stContent = gstr.Replace(stContent, "``", "")
-	buffer.Reset()
-	buffer.WriteString(fmt.Sprintf("type %s struct {\n", in.StructName))
-	if in.IsDo {
-		buffer.WriteString(fmt.Sprintf("g.Meta `orm:\"table:%s, do:true\"`\n", in.TableName))
-	}
-	buffer.WriteString(stContent)
-	buffer.WriteString("}")
-	return buffer.String()
-}
-
-// generateStructFieldForModel generates and returns the attribute definition for specified field.
-func generateStructFieldDefinition(field *gdb.TableField, in generateStructDefinitionInput) []string {
-	var (
-		typeName string
-		jsonTag  = getJsonTagFromCase(field.Name, in.JsonCase)
-	)
-	t, _ := gregex.ReplaceString(`\(.+\)`, "", field.Type)
-	t = gstr.Split(gstr.Trim(t), " ")[0]
-	t = gstr.ToLower(t)
-	switch t {
-	case "binary", "varbinary", "blob", "tinyblob", "mediumblob", "longblob":
-		typeName = "[]byte"
-
-	case "bit", "int", "int2", "tinyint", "small_int", "smallint", "medium_int", "mediumint", "serial":
-		if gstr.ContainsI(field.Type, "unsigned") {
-			typeName = "uint"
-		} else {
-			typeName = "int"
-		}
-
-	case "int4", "int8", "big_int", "bigint", "bigserial":
-		if gstr.ContainsI(field.Type, "unsigned") {
-			typeName = "uint64"
-		} else {
-			typeName = "int64"
-		}
-
-	case "real":
-		typeName = "float32"
-
-	case "float", "double", "decimal", "smallmoney", "numeric":
-		typeName = "float64"
-
-	case "bool":
-		typeName = "bool"
-
-	case "datetime", "timestamp", "date", "time":
-		if in.StdTime {
-			typeName = "time.Time"
-		} else {
-			typeName = "*gtime.Time"
-		}
-	case "json", "jsonb":
-		if in.GJsonSupport {
-			typeName = "*gjson.Json"
-		} else {
-			typeName = "string"
-		}
-	default:
-		// Automatically detect its data type.
-		switch {
-		case strings.Contains(t, "int"):
-			typeName = "int"
-		case strings.Contains(t, "text") || strings.Contains(t, "char"):
-			typeName = "string"
-		case strings.Contains(t, "float") || strings.Contains(t, "double"):
-			typeName = "float64"
-		case strings.Contains(t, "bool"):
-			typeName = "bool"
-		case strings.Contains(t, "binary") || strings.Contains(t, "blob"):
-			typeName = "[]byte"
-		case strings.Contains(t, "date") || strings.Contains(t, "time"):
-			if in.StdTime {
-				typeName = "time.Time"
-			} else {
-				typeName = "*gtime.Time"
-			}
-		default:
-			typeName = "string"
-		}
-	}
-
-	var (
-		tagKey = "`"
-		result = []string{
-			"    #" + gstr.CaseCamel(field.Name),
-			" #" + typeName,
-		}
-		descriptionTag = gstr.Replace(formatComment(field.Comment), `"`, `\"`)
-	)
-
-	result = append(result, " #"+fmt.Sprintf(tagKey+`json:"%s"`, jsonTag))
-	result = append(result, " #"+fmt.Sprintf(`description:"%s"`+tagKey, descriptionTag))
-	result = append(result, " #"+fmt.Sprintf(`// %s`, formatComment(field.Comment)))
-
-	for k, v := range result {
-		if in.NoJsonTag {
-			v, _ = gregex.ReplaceString(`json:".+"`, ``, v)
-		}
-		if !in.DescriptionTag {
-			v, _ = gregex.ReplaceString(`description:".*"`, ``, v)
-		}
-		if in.NoModelComment {
-			v, _ = gregex.ReplaceString(`//.+`, ``, v)
-		}
-		result[k] = v
-	}
-	return result
-}
-
-// formatComment formats the comment string to fit the golang code without any lines.
-func formatComment(comment string) string {
-	comment = gstr.ReplaceByArray(comment, g.SliceStr{
-		"\n", " ",
-		"\r", " ",
-	})
-	comment = gstr.Replace(comment, `\n`, " ")
-	comment = gstr.Trim(comment)
-	return comment
-}
-
-// generateColumnDefinitionForDao generates and returns the column names definition for specified table.
-func generateColumnDefinitionForDao(fieldMap map[string]*gdb.TableField) string {
-	var (
-		buffer = bytes.NewBuffer(nil)
-		array  = make([][]string, len(fieldMap))
-		names  = sortFieldKeyForDao(fieldMap)
-	)
-	for index, name := range names {
-		var (
-			field   = fieldMap[name]
-			comment = gstr.Trim(gstr.ReplaceByArray(field.Comment, g.SliceStr{
-				"\n", " ",
-				"\r", " ",
-			}))
-		)
-		array[index] = []string{
-			"    #" + gstr.CaseCamel(field.Name),
-			" # " + "string",
-			" #" + fmt.Sprintf(`// %s`, comment),
-		}
-	}
-	tw := tablewriter.NewWriter(buffer)
-	tw.SetBorder(false)
-	tw.SetRowLine(false)
-	tw.SetAutoWrapText(false)
-	tw.SetColumnSeparator("")
-	tw.AppendBulk(array)
-	tw.Render()
-	defineContent := buffer.String()
-	// Let's do this hack of table writer for indent!
-	defineContent = gstr.Replace(defineContent, "  #", "")
-	buffer.Reset()
-	buffer.WriteString(defineContent)
-	return buffer.String()
-}
-
-// generateColumnNamesForDao generates and returns the column names assignment content of column struct
-// for specified table.
-func generateColumnNamesForDao(fieldMap map[string]*gdb.TableField) string {
-	var (
-		buffer = bytes.NewBuffer(nil)
-		array  = make([][]string, len(fieldMap))
-		names  = sortFieldKeyForDao(fieldMap)
-	)
-	for index, name := range names {
-		field := fieldMap[name]
-		array[index] = []string{
-			"            #" + gstr.CaseCamel(field.Name) + ":",
-			fmt.Sprintf(` #"%s",`, field.Name),
-		}
-	}
-	tw := tablewriter.NewWriter(buffer)
-	tw.SetBorder(false)
-	tw.SetRowLine(false)
-	tw.SetAutoWrapText(false)
-	tw.SetColumnSeparator("")
-	tw.AppendBulk(array)
-	tw.Render()
-	namesContent := buffer.String()
-	// Let's do this hack of table writer for indent!
-	namesContent = gstr.Replace(namesContent, "  #", "")
-	buffer.Reset()
-	buffer.WriteString(namesContent)
-	return buffer.String()
-}
-
-func getTplDaoIndexContent(tplDaoIndexPath string) string {
-	if tplDaoIndexPath != "" {
-		return gfile.GetContents(tplDaoIndexPath)
-	}
-	return consts.TemplateDaoDaoIndexContent
-}
-
-func getTplDaoInternalContent(tplDaoInternalPath string) string {
-	if tplDaoInternalPath != "" {
-		return gfile.GetContents(tplDaoInternalPath)
-	}
-	return consts.TemplateDaoDaoInternalContent
-}
-
-// getJsonTagFromCase call gstr.Case* function to convert the s to specified case.
-func getJsonTagFromCase(str, caseStr string) string {
-	switch gstr.ToLower(caseStr) {
-	case gstr.ToLower("Camel"):
-		return gstr.CaseCamel(str)
-
-	case gstr.ToLower("CamelLower"):
-		return gstr.CaseCamelLower(str)
-
-	case gstr.ToLower("Kebab"):
-		return gstr.CaseKebab(str)
-
-	case gstr.ToLower("KebabScreaming"):
-		return gstr.CaseKebabScreaming(str)
-
-	case gstr.ToLower("Snake"):
-		return gstr.CaseSnake(str)
-
-	case gstr.ToLower("SnakeFirstUpper"):
-		return gstr.CaseSnakeFirstUpper(str)
-
-	case gstr.ToLower("SnakeScreaming"):
-		return gstr.CaseSnakeScreaming(str)
-	}
-	return str
-}
-
-func sortFieldKeyForDao(fieldMap map[string]*gdb.TableField) []string {
-	names := make(map[int]string)
-	for _, field := range fieldMap {
-		names[field.Index] = field.Name
-	}
-	var (
-		i      = 0
-		j      = 0
-		result = make([]string, len(names))
-	)
-	for {
-		if len(names) == 0 {
-			break
-		}
-		if val, ok := names[i]; ok {
-			result[j] = val
-			j++
-			delete(names, i)
-		}
-		i++
-	}
-	return result
-}

cmd/gf/internal/cmd/cmd_gen_pbentity.go

@@ -153,10 +153,10 @@ func doGenPbEntityForArray(ctx context.Context, index int, in cGenPbEntityInput)
 	if index >= 0 {
 		err = g.Cfg().MustGet(
 			ctx,
-			fmt.Sprintf(`%s.%d`, cGenDaoConfig, index),
+			fmt.Sprintf(`%s.%d`, cGenPbEntityConfig, index),
 		).Scan(&in)
 		if err != nil {
-			mlog.Fatalf(`invalid configuration of "%s": %+v`, cGenDaoConfig, err)
+			mlog.Fatalf(`invalid configuration of "%s": %+v`, cGenPbEntityConfig, err)
 		}
 	}
 	if in.Package == "" {

cmd/gf/internal/cmd/cmd_gen_service.go

@@ -1,360 +1,9 @@
 package cmd
 
 import (
-	"context"
-	"fmt"
-
-	"github.com/gogf/gf/cmd/gf/v2/internal/consts"
-	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
-	"github.com/gogf/gf/cmd/gf/v2/internal/utility/utils"
-	"github.com/gogf/gf/v2/container/garray"
-	"github.com/gogf/gf/v2/frame/g"
-	"github.com/gogf/gf/v2/os/gfile"
-	"github.com/gogf/gf/v2/os/gproc"
-	"github.com/gogf/gf/v2/os/gtime"
-	"github.com/gogf/gf/v2/text/gregex"
-	"github.com/gogf/gf/v2/text/gstr"
-	"github.com/gogf/gf/v2/util/gconv"
+	"github.com/gogf/gf/cmd/gf/v2/internal/cmd/genservice"
 )
 
 type (
-	cGenService      struct{}
-	cGenServiceInput struct {
-		g.Meta       `name:"service" config:"gfcli.gen.service" brief:"parse struct and associated functions from packages to generate service go file"`
-		SrcFolder    string   `short:"s" name:"srcFolder" brief:"source folder path to be parsed. default: internal/logic" d:"internal/logic"`
-		DstFolder    string   `short:"d" name:"dstFolder" brief:"destination folder path storing automatically generated go files. default: internal/service" d:"internal/service"`
-		WatchFile    string   `short:"w" name:"watchFile" brief:"used in file watcher, it generates service go files only if given file is under srcFolder"`
-		StPattern    string   `short:"a" name:"stPattern" brief:"regular expression matching struct name for generating service. default: s([A-Z]\\\\w+)" d:"s([A-Z]\\w+)"`
-		Packages     []string `short:"p" name:"packages" brief:"produce go files only for given source packages"`
-		ImportPrefix string   `short:"i" name:"importPrefix" brief:"custom import prefix to calculate import path for generated importing go file of logic"`
-		OverWrite    bool     `short:"o" name:"overwrite" brief:"overwrite service go files that already exist in generating folder. default: true" d:"true" orphan:"true"`
-	}
-	cGenServiceOutput struct{}
+	cGenService = genservice.CGenService
 )
-
-const (
-	genServiceFileLockSeconds = 10
-)
-
-func (c cGenService) Service(ctx context.Context, in cGenServiceInput) (out *cGenServiceOutput, err error) {
-	// File lock to avoid multiple processes.
-	var (
-		flockFilePath = gfile.Temp("gf.cli.gen.service.lock")
-		flockContent  = gfile.GetContents(flockFilePath)
-	)
-	if flockContent != "" {
-		if gtime.Timestamp()-gconv.Int64(flockContent) < genServiceFileLockSeconds {
-			// If another "gen service" process is running, it just exits.
-			mlog.Debug(`another "gen service" process is running, exit`)
-			return
-		}
-	}
-	defer gfile.Remove(flockFilePath)
-	_ = gfile.PutContents(flockFilePath, gtime.TimestampStr())
-
-	in.SrcFolder = gstr.TrimRight(in.SrcFolder, `\/`)
-	in.SrcFolder = gstr.Replace(in.SrcFolder, "\\", "/")
-	in.WatchFile = gstr.TrimRight(in.WatchFile, `\/`)
-	in.WatchFile = gstr.Replace(in.WatchFile, "\\", "/")
-
-	// Watch file handling.
-	if in.WatchFile != "" {
-		// It works only if given WatchFile is in SrcFolder.
-		var (
-			watchFileDir = gfile.Dir(in.WatchFile)
-			srcFolderDir = gfile.Dir(watchFileDir)
-		)
-		mlog.Debug("watchFileDir:", watchFileDir)
-		mlog.Debug("logicFolderDir:", srcFolderDir)
-		if !gstr.HasSuffix(gstr.Replace(srcFolderDir, `\`, `/`), in.SrcFolder) {
-			mlog.Printf(`ignore watch file "%s", not in source path "%s"`, in.WatchFile, in.SrcFolder)
-			return
-		}
-		var newWorkingDir = gfile.Dir(gfile.Dir(srcFolderDir))
-		if err = gfile.Chdir(newWorkingDir); err != nil {
-			mlog.Fatalf(`%+v`, err)
-		}
-		mlog.Debug("Chdir:", newWorkingDir)
-		_ = gfile.Remove(flockFilePath)
-		var command = fmt.Sprintf(
-			`%s gen service -packages=%s`,
-			gfile.SelfName(), gfile.Basename(watchFileDir),
-		)
-		err = gproc.ShellRun(ctx, command)
-		return
-	}
-
-	if !gfile.Exists(in.SrcFolder) {
-		mlog.Fatalf(`source folder path "%s" does not exist`, in.SrcFolder)
-	}
-
-	if in.ImportPrefix == "" {
-		if !gfile.Exists("go.mod") {
-			mlog.Fatal("ImportPrefix is empty and go.mod does not exist in current working directory")
-		}
-		var (
-			goModContent = gfile.GetContents("go.mod")
-			match, _     = gregex.MatchString(`^module\s+(.+)\s*`, goModContent)
-		)
-		if len(match) > 1 {
-			in.ImportPrefix = fmt.Sprintf(`%s/%s`, gstr.Trim(match[1]), gstr.Replace(in.SrcFolder, `\`, `/`))
-		}
-	}
-
-	var (
-		isDirty               bool
-		files                 []string
-		fileContent           string
-		initImportSrcPackages []string
-		inputPackages         = in.Packages
-		dstPackageName        = gstr.ToLower(gfile.Basename(in.DstFolder))
-	)
-	srcFolders, err := gfile.ScanDir(in.SrcFolder, "*", false)
-	if err != nil {
-		return nil, err
-	}
-	for _, srcFolder := range srcFolders {
-		if !gfile.IsDir(srcFolder) {
-			continue
-		}
-		if files, err = gfile.ScanDir(srcFolder, "*.go", false); err != nil {
-			return nil, err
-		}
-		if len(files) == 0 {
-			continue
-		}
-		var (
-			// StructName => FunctionDefinitions
-			srcPkgInterfaceMap  = make(map[string]*garray.StrArray)
-			srcImportedPackages = garray.NewSortedStrArray().SetUnique(true)
-			ok                  bool
-		)
-		for _, file := range files {
-			fileContent = gfile.GetContents(file)
-			// Calculate imported packages of source go files.
-			err = c.calculateImportedPackages(fileContent, srcImportedPackages)
-			if err != nil {
-				return nil, err
-			}
-			// Calculate functions and interfaces for service generating.
-			err = c.calculateInterfaceFunctions(in, fileContent, srcPkgInterfaceMap, dstPackageName)
-			if err != nil {
-				return nil, err
-			}
-		}
-		initImportSrcPackages = append(
-			initImportSrcPackages,
-			fmt.Sprintf(`%s/%s`, in.ImportPrefix, gfile.Basename(srcFolder)),
-		)
-		// Ignore source packages if input packages given.
-		if len(inputPackages) > 0 && !gstr.InArray(inputPackages, gfile.Basename(srcFolder)) {
-			mlog.Debugf(
-				`ignore source package "%s" as it is not in desired packages: %+v`,
-				gfile.Basename(srcFolder), inputPackages,
-			)
-			continue
-		}
-		// Generating go files for service.
-		if ok, err = c.generateServiceFiles(in, srcPkgInterfaceMap, srcImportedPackages.Slice(), dstPackageName); err != nil {
-			return
-		}
-		if ok {
-			isDirty = true
-		}
-	}
-
-	if isDirty {
-		// Generate initialization go file.
-		if len(initImportSrcPackages) > 0 {
-			if err = c.generateInitializationFile(in, initImportSrcPackages); err != nil {
-				return
-			}
-		}
-
-		// Go imports updating.
-		mlog.Printf(`goimports go files in "%s", it may take seconds...`, in.DstFolder)
-		utils.GoImports(in.DstFolder)
-
-		// Replica v1 to v2 for GoFrame.
-		if err = c.replaceGeneratedServiceContentGFV2(in); err != nil {
-			return nil, err
-		}
-		mlog.Printf(`gofmt go files in "%s"`, in.DstFolder)
-		utils.GoFmt(in.DstFolder)
-	}
-
-	mlog.Print(`done!`)
-	return
-}
-
-func (c cGenService) calculateImportedPackages(fileContent string, srcImportedPackages *garray.SortedStrArray) (err error) {
-	var match []string
-	match, err = gregex.MatchString(`\s+import\s+\(([\s\S]+?)\)`, fileContent)
-	if err != nil {
-		return err
-	}
-	if len(match) < 2 {
-		return nil
-	}
-	importPart := gstr.Trim(match[1])
-	srcImportedPackages.Append(gstr.SplitAndTrim(importPart, "\n")...)
-	return nil
-}
-
-func (c cGenService) calculateInterfaceFunctions(
-	in cGenServiceInput, fileContent string, srcPkgInterfaceMap map[string]*garray.StrArray, dstPackageName string,
-) (err error) {
-	var (
-		ok                       bool
-		matches                  [][]string
-		srcPkgInterfaceFuncArray *garray.StrArray
-	)
-	matches, err = gregex.MatchAllString(`func \((.+?)\) ([\s\S]+?) {`, fileContent)
-	if err != nil {
-		return err
-	}
-	for _, match := range matches {
-		var (
-			structName    string
-			structMatch   []string
-			funcReceiver  = gstr.Trim(match[1])
-			receiverArray = gstr.SplitAndTrim(funcReceiver, " ")
-			functionHead  = gstr.Trim(gstr.Replace(match[2], "\n", ""))
-		)
-		if len(receiverArray) > 1 {
-			structName = receiverArray[1]
-		} else {
-			structName = receiverArray[0]
-		}
-		structName = gstr.Trim(structName, "*")
-
-		// Xxx(\n    ctx context.Context, req *v1.XxxReq,\n) -> Xxx(ctx context.Context, req *v1.XxxReq)
-		functionHead = gstr.Replace(functionHead, `,)`, `)`)
-		functionHead, _ = gregex.ReplaceString(`\(\s+`, `(`, functionHead)
-		functionHead, _ = gregex.ReplaceString(`\s{2,}`, ` `, functionHead)
-		if !gstr.IsLetterUpper(functionHead[0]) {
-			continue
-		}
-		if structMatch, err = gregex.MatchString(in.StPattern, structName); err != nil {
-			return err
-		}
-		if len(structMatch) < 1 {
-			continue
-		}
-		structName = gstr.CaseCamel(structMatch[1])
-		if srcPkgInterfaceFuncArray, ok = srcPkgInterfaceMap[structName]; !ok {
-			srcPkgInterfaceMap[structName] = garray.NewStrArray()
-			srcPkgInterfaceFuncArray = srcPkgInterfaceMap[structName]
-		}
-		// Remove package name calls of `dstPackageName` in produced codes.
-		functionHead, _ = gregex.ReplaceString(fmt.Sprintf(`\*{0,1}%s\.`, dstPackageName), ``, functionHead)
-		srcPkgInterfaceFuncArray.Append(functionHead)
-	}
-	return nil
-}
-
-func (c cGenService) generateServiceFiles(
-	in cGenServiceInput,
-	srcPkgInterfaceMap map[string]*garray.StrArray,
-	srcImportedPackages []string,
-	dstPackageName string,
-) (ok bool, err error) {
-	srcImportedPackagesContent := fmt.Sprintf(
-		"import (\n%s\n)", gstr.Join(srcImportedPackages, "\n"),
-	)
-	for structName, funcArray := range srcPkgInterfaceMap {
-		var (
-			filePath         = gfile.Join(in.DstFolder, gstr.ToLower(structName)+".go")
-			generatedContent = gstr.ReplaceByMap(consts.TemplateGenServiceContent, g.MapStrStr{
-				"{Imports}":        srcImportedPackagesContent,
-				"{StructName}":     structName,
-				"{PackageName}":    dstPackageName,
-				"{FuncDefinition}": funcArray.Join("\n\t"),
-			})
-		)
-		if gfile.Exists(filePath) {
-			if !in.OverWrite {
-				mlog.Printf(`not overwrite, ignore generating service go file: %s`, filePath)
-				continue
-			}
-			if !c.isToGenerateServiceGoFile(filePath, funcArray) {
-				mlog.Printf(`not dirty, ignore generating service go file: %s`, filePath)
-				continue
-			}
-		}
-		ok = true
-		mlog.Printf(`generating service go file: %s`, filePath)
-		if err = gfile.PutContents(filePath, generatedContent); err != nil {
-			return ok, err
-		}
-	}
-	return ok, nil
-}
-
-// isToGenerateServiceGoFile checks and returns whether the service content dirty.
-func (c cGenService) isToGenerateServiceGoFile(filePath string, funcArray *garray.StrArray) bool {
-	if !utils.IsFileDoNotEdit(filePath) {
-		mlog.Debugf(`ignore file as it is manually maintained: %s`, filePath)
-		return false
-	}
-	var (
-		fileContent        = gfile.GetContents(filePath)
-		generatedFuncArray = garray.NewSortedStrArrayFrom(funcArray.Slice())
-		contentFuncArray   = garray.NewSortedStrArray()
-	)
-	if fileContent == "" {
-		return true
-	}
-	match, _ := gregex.MatchString(`interface\s+{([\s\S]+?)}`, fileContent)
-	if len(match) != 2 {
-		return false
-	}
-	contentFuncArray.Append(gstr.SplitAndTrim(match[1], "\n")...)
-	if generatedFuncArray.Len() != contentFuncArray.Len() {
-		return true
-	}
-	for i := 0; i < generatedFuncArray.Len(); i++ {
-		if generatedFuncArray.At(i) != contentFuncArray.At(i) {
-			mlog.Debugf(`dirty, %s != %s`, generatedFuncArray.At(i), contentFuncArray.At(i))
-			return true
-		}
-	}
-	return false
-}
-
-func (c cGenService) generateInitializationFile(in cGenServiceInput, importSrcPackages []string) (err error) {
-	var (
-		srcPackageName   = gstr.ToLower(gfile.Basename(in.SrcFolder))
-		srcFilePath      = gfile.Join(in.SrcFolder, srcPackageName+".go")
-		srcImports       string
-		generatedContent string
-	)
-	if !utils.IsFileDoNotEdit(srcFilePath) {
-		mlog.Debugf(`ignore file as it is manually maintained: %s`, srcFilePath)
-		return nil
-	}
-	for _, importSrcPackage := range importSrcPackages {
-		srcImports += fmt.Sprintf(`%s_ "%s"%s`, "\t", importSrcPackage, "\n")
-	}
-	generatedContent = gstr.ReplaceByMap(consts.TemplateGenServiceLogicContent, g.MapStrStr{
-		"{PackageName}": srcPackageName,
-		"{Imports}":     srcImports,
-	})
-	mlog.Printf(`generating init go file: %s`, srcFilePath)
-	if err = gfile.PutContents(srcFilePath, generatedContent); err != nil {
-		return err
-	}
-	utils.GoFmt(srcFilePath)
-	return nil
-}
-
-func (c cGenService) replaceGeneratedServiceContentGFV2(in cGenServiceInput) (err error) {
-	return gfile.ReplaceDirFunc(func(path, content string) string {
-		if gstr.Contains(content, `"github.com/gogf/gf`) && !gstr.Contains(content, `"github.com/gogf/gf/v2`) {
-			content = gstr.Replace(content, `"github.com/gogf/gf"`, `"github.com/gogf/gf/v2"`)
-			content = gstr.Replace(content, `"github.com/gogf/gf/`, `"github.com/gogf/gf/v2/`)
-			return content
-		}
-		return content
-	}, in.DstFolder, "*.go", false)
-}

cmd/gf/internal/cmd/cmd_init.go

@@ -94,6 +94,7 @@ func (c cInit) Index(ctx context.Context, in cInitInput) (out *cInitOutput, err
 	// Update the GoFrame version.
 	if in.Update {
 		mlog.Print("update goframe...")
+		// go get -u github.com/gogf/gf/v2@latest
 		updateCommand := `go get -u github.com/gogf/gf/v2@latest`
 		if in.Name != "." {
 			updateCommand = fmt.Sprintf(`cd %s && %s`, in.Name, updateCommand)
@@ -101,6 +102,14 @@ func (c cInit) Index(ctx context.Context, in cInitInput) (out *cInitOutput, err
 		if err = gproc.ShellRun(ctx, updateCommand); err != nil {
 			mlog.Fatal(err)
 		}
+		// go mod tidy
+		gomModTidyCommand := `go mod tidy`
+		if in.Name != "." {
+			gomModTidyCommand = fmt.Sprintf(`cd %s && %s`, in.Name, gomModTidyCommand)
+		}
+		if err = gproc.ShellRun(ctx, gomModTidyCommand); err != nil {
+			mlog.Fatal(err)
+		}
 	}
 
 	mlog.Print("initialization done! ")

cmd/gf/internal/cmd/cmd_run.go

@@ -13,7 +13,6 @@ import (
 	"github.com/gogf/gf/v2/os/gproc"
 	"github.com/gogf/gf/v2/os/gtime"
 	"github.com/gogf/gf/v2/os/gtimer"
-	"github.com/gogf/gf/v2/text/gstr"
 	"github.com/gogf/gf/v2/util/gtag"
 )
 
@@ -47,6 +46,7 @@ which compiles and runs the go codes asynchronously when codes change.
 	cRunFileBrief  = `building file path.`
 	cRunPathBrief  = `output directory path for built binary file. it's "manifest/output" in default`
 	cRunExtraBrief = `the same options as "go run"/"go build" except some options as follows defined`
+	cRunArgsBrief  = `custom arguments for your process`
 )
 
 var (
@@ -62,6 +62,7 @@ func init() {
 		`cRunFileBrief`:  cRunFileBrief,
 		`cRunPathBrief`:  cRunPathBrief,
 		`cRunExtraBrief`: cRunExtraBrief,
+		`cRunArgsBrief`:  cRunArgsBrief,
 	})
 }
 
@@ -71,6 +72,7 @@ type (
 		File   string `name:"FILE"  arg:"true" brief:"{cRunFileBrief}" v:"required"`
 		Path   string `name:"path"  short:"p"  brief:"{cRunPathBrief}" d:"./"`
 		Extra  string `name:"extra" short:"e"  brief:"{cRunExtraBrief}"`
+		Args   string `name:"args"  short:"a"  brief:"{cRunArgsBrief}"`
 	}
 	cRunOutput struct{}
 )
@@ -85,6 +87,7 @@ func (c cRun) Index(ctx context.Context, in cRunInput) (out *cRunOutput, err err
 		File:    in.File,
 		Path:    in.Path,
 		Options: in.Extra,
+		Args:    in.Args,
 	}
 	dirty := gtype.NewBool()
 	_, err = gfsnotify.Add(gfile.RealPath("."), func(event *gfsnotify.Event) {
@@ -150,9 +153,9 @@ func (app *cRunApp) Run(ctx context.Context) {
 	if runtime.GOOS == "windows" {
 		// Special handling for windows platform.
 		// DO NOT USE "cmd /c" command.
-		process = gproc.NewProcess(outputPath, gstr.SplitAndTrim(" ", app.Args))
+		process = gproc.NewProcess(runCommand, nil)
 	} else {
-		process = gproc.NewProcessCmd(outputPath, gstr.SplitAndTrim(" ", app.Args))
+		process = gproc.NewProcessCmd(runCommand, nil)
 	}
 	if pid, err := process.Start(ctx); err != nil {
 		mlog.Printf("build running error: %s", err.Error())

cmd/gf/internal/cmd/gendao/gendao.go

@@ -0,0 +1,374 @@
+package gendao
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
+	"github.com/gogf/gf/v2/container/garray"
+	"github.com/gogf/gf/v2/database/gdb"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gfile"
+	"github.com/gogf/gf/v2/os/gtime"
+	"github.com/gogf/gf/v2/text/gregex"
+	"github.com/gogf/gf/v2/text/gstr"
+	"github.com/gogf/gf/v2/util/gtag"
+)
+
+const (
+	CGenDaoConfig = `gfcli.gen.dao`
+	CGenDaoUsage  = `gf gen dao [OPTION]`
+	CGenDaoBrief  = `automatically generate go files for dao/do/entity`
+	CGenDaoEg     = `
+gf gen dao
+gf gen dao -l "mysql:root:12345678@tcp(127.0.0.1:3306)/test"
+gf gen dao -p ./model -g user-center -t user,user_detail,user_login
+gf gen dao -r user_
+`
+
+	CGenDaoAd = `
+CONFIGURATION SUPPORT
+    Options are also supported by configuration file.
+    It's suggested using configuration file instead of command line arguments making producing.
+    The configuration node name is "gfcli.gen.dao", which also supports multiple databases, for example(config.yaml):
+	gfcli:
+	  gen:
+		dao:
+		- link:     "mysql:root:12345678@tcp(127.0.0.1:3306)/test"
+		  tables:   "order,products"
+		  jsonCase: "CamelLower"
+		- link:   "mysql:root:12345678@tcp(127.0.0.1:3306)/primary"
+		  path:   "./my-app"
+		  prefix: "primary_"
+		  tables: "user, userDetail"
+`
+	CGenDaoBriefPath            = `directory path for generated files`
+	CGenDaoBriefLink            = `database configuration, the same as the ORM configuration of GoFrame`
+	CGenDaoBriefTables          = `generate models only for given tables, multiple table names separated with ','`
+	CGenDaoBriefTablesEx        = `generate models excluding given tables, multiple table names separated with ','`
+	CGenDaoBriefPrefix          = `add prefix for all table of specified link/database tables`
+	CGenDaoBriefRemovePrefix    = `remove specified prefix of the table, multiple prefix separated with ','`
+	CGenDaoBriefStdTime         = `use time.Time from stdlib instead of gtime.Time for generated time/date fields of tables`
+	CGenDaoBriefWithTime        = `add created time for auto produced go files`
+	CGenDaoBriefGJsonSupport    = `use gJsonSupport to use *gjson.Json instead of string for generated json fields of tables`
+	CGenDaoBriefImportPrefix    = `custom import prefix for generated go files`
+	CGenDaoBriefDaoPath         = `directory path for storing generated dao files under path`
+	CGenDaoBriefDoPath          = `directory path for storing generated do files under path`
+	CGenDaoBriefEntityPath      = `directory path for storing generated entity files under path`
+	CGenDaoBriefOverwriteDao    = `overwrite all dao files both inside/outside internal folder`
+	CGenDaoBriefModelFile       = `custom file name for storing generated model content`
+	CGenDaoBriefModelFileForDao = `custom file name generating model for DAO operations like Where/Data. It's empty in default`
+	CGenDaoBriefDescriptionTag  = `add comment to description tag for each field`
+	CGenDaoBriefNoJsonTag       = `no json tag will be added for each field`
+	CGenDaoBriefNoModelComment  = `no model comment will be added for each field`
+	CGenDaoBriefClear           = `delete all generated go files that do not exist in database`
+	CGenDaoBriefGroup           = `
+specifying the configuration group name of database for generated ORM instance,
+it's not necessary and the default value is "default"
+`
+	CGenDaoBriefJsonCase = `
+generated json tag case for model struct, cases are as follows:
+| Case            | Example            |
+|---------------- |--------------------|
+| Camel           | AnyKindOfString    |
+| CamelLower      | anyKindOfString    | default
+| Snake           | any_kind_of_string |
+| SnakeScreaming  | ANY_KIND_OF_STRING |
+| SnakeFirstUpper | rgb_code_md5       |
+| Kebab           | any-kind-of-string |
+| KebabScreaming  | ANY-KIND-OF-STRING |
+`
+	CGenDaoBriefTplDaoIndexPath    = `template file path for dao index file`
+	CGenDaoBriefTplDaoInternalPath = `template file path for dao internal file`
+	CGenDaoBriefTplDaoDoPathPath   = `template file path for dao do file`
+	CGenDaoBriefTplDaoEntityPath   = `template file path for dao entity file`
+
+	tplVarTableName               = `{TplTableName}`
+	tplVarTableNameCamelCase      = `{TplTableNameCamelCase}`
+	tplVarTableNameCamelLowerCase = `{TplTableNameCamelLowerCase}`
+	tplVarPackageImports          = `{TplPackageImports}`
+	tplVarImportPrefix            = `{TplImportPrefix}`
+	tplVarStructDefine            = `{TplStructDefine}`
+	tplVarColumnDefine            = `{TplColumnDefine}`
+	tplVarColumnNames             = `{TplColumnNames}`
+	tplVarGroupName               = `{TplGroupName}`
+	tplVarDatetimeStr             = `{TplDatetimeStr}`
+	tplVarCreatedAtDatetimeStr    = `{TplCreatedAtDatetimeStr}`
+)
+
+var (
+	createdAt = gtime.Now()
+)
+
+func init() {
+	gtag.Sets(g.MapStrStr{
+		`CGenDaoConfig`:                  CGenDaoConfig,
+		`CGenDaoUsage`:                   CGenDaoUsage,
+		`CGenDaoBrief`:                   CGenDaoBrief,
+		`CGenDaoEg`:                      CGenDaoEg,
+		`CGenDaoAd`:                      CGenDaoAd,
+		`CGenDaoBriefPath`:               CGenDaoBriefPath,
+		`CGenDaoBriefLink`:               CGenDaoBriefLink,
+		`CGenDaoBriefTables`:             CGenDaoBriefTables,
+		`CGenDaoBriefTablesEx`:           CGenDaoBriefTablesEx,
+		`CGenDaoBriefPrefix`:             CGenDaoBriefPrefix,
+		`CGenDaoBriefRemovePrefix`:       CGenDaoBriefRemovePrefix,
+		`CGenDaoBriefStdTime`:            CGenDaoBriefStdTime,
+		`CGenDaoBriefWithTime`:           CGenDaoBriefWithTime,
+		`CGenDaoBriefDaoPath`:            CGenDaoBriefDaoPath,
+		`CGenDaoBriefDoPath`:             CGenDaoBriefDoPath,
+		`CGenDaoBriefEntityPath`:         CGenDaoBriefEntityPath,
+		`CGenDaoBriefGJsonSupport`:       CGenDaoBriefGJsonSupport,
+		`CGenDaoBriefImportPrefix`:       CGenDaoBriefImportPrefix,
+		`CGenDaoBriefOverwriteDao`:       CGenDaoBriefOverwriteDao,
+		`CGenDaoBriefModelFile`:          CGenDaoBriefModelFile,
+		`CGenDaoBriefModelFileForDao`:    CGenDaoBriefModelFileForDao,
+		`CGenDaoBriefDescriptionTag`:     CGenDaoBriefDescriptionTag,
+		`CGenDaoBriefNoJsonTag`:          CGenDaoBriefNoJsonTag,
+		`CGenDaoBriefNoModelComment`:     CGenDaoBriefNoModelComment,
+		`CGenDaoBriefClear`:              CGenDaoBriefClear,
+		`CGenDaoBriefGroup`:              CGenDaoBriefGroup,
+		`CGenDaoBriefJsonCase`:           CGenDaoBriefJsonCase,
+		`CGenDaoBriefTplDaoIndexPath`:    CGenDaoBriefTplDaoIndexPath,
+		`CGenDaoBriefTplDaoInternalPath`: CGenDaoBriefTplDaoInternalPath,
+		`CGenDaoBriefTplDaoDoPathPath`:   CGenDaoBriefTplDaoDoPathPath,
+		`CGenDaoBriefTplDaoEntityPath`:   CGenDaoBriefTplDaoEntityPath,
+	})
+}
+
+type (
+	CGenDao      struct{}
+	CGenDaoInput struct {
+		g.Meta             `name:"dao" config:"{CGenDaoConfig}" usage:"{CGenDaoUsage}" brief:"{CGenDaoBrief}" eg:"{CGenDaoEg}" ad:"{CGenDaoAd}"`
+		Path               string `name:"path"                short:"p"  brief:"{CGenDaoBriefPath}" d:"internal"`
+		Link               string `name:"link"                short:"l"  brief:"{CGenDaoBriefLink}"`
+		Tables             string `name:"tables"              short:"t"  brief:"{CGenDaoBriefTables}"`
+		TablesEx           string `name:"tablesEx"            short:"x"  brief:"{CGenDaoBriefTablesEx}"`
+		Group              string `name:"group"               short:"g"  brief:"{CGenDaoBriefGroup}" d:"default"`
+		Prefix             string `name:"prefix"              short:"f"  brief:"{CGenDaoBriefPrefix}"`
+		RemovePrefix       string `name:"removePrefix"        short:"r"  brief:"{CGenDaoBriefRemovePrefix}"`
+		JsonCase           string `name:"jsonCase"            short:"j"  brief:"{CGenDaoBriefJsonCase}" d:"CamelLower"`
+		ImportPrefix       string `name:"importPrefix"        short:"i"  brief:"{CGenDaoBriefImportPrefix}"`
+		DaoPath            string `name:"daoPath"             short:"d"  brief:"{CGenDaoBriefDaoPath}" d:"dao"`
+		DoPath             string `name:"doPath"              short:"o"  brief:"{CGenDaoBriefDoPath}" d:"model/do"`
+		EntityPath         string `name:"entityPath"          short:"e"  brief:"{CGenDaoBriefEntityPath}" d:"model/entity"`
+		TplDaoIndexPath    string `name:"tplDaoIndexPath"     short:"t1" brief:"{CGenDaoBriefTplDaoIndexPath}"`
+		TplDaoInternalPath string `name:"tplDaoInternalPath"  short:"t2" brief:"{CGenDaoBriefTplDaoInternalPath}"`
+		TplDaoDoPath       string `name:"tplDaoDoPath"        short:"t3" brief:"{CGenDaoBriefTplDaoDoPathPath}"`
+		TplDaoEntityPath   string `name:"tplDaoEntityPath"    short:"t4" brief:"{CGenDaoBriefTplDaoEntityPath}"`
+		StdTime            bool   `name:"stdTime"             short:"s"  brief:"{CGenDaoBriefStdTime}" orphan:"true"`
+		WithTime           bool   `name:"withTime"            short:"w"  brief:"{CGenDaoBriefWithTime}" orphan:"true"`
+		GJsonSupport       bool   `name:"gJsonSupport"        short:"n"  brief:"{CGenDaoBriefGJsonSupport}" orphan:"true"`
+		OverwriteDao       bool   `name:"overwriteDao"        short:"v"  brief:"{CGenDaoBriefOverwriteDao}" orphan:"true"`
+		DescriptionTag     bool   `name:"descriptionTag"      short:"c"  brief:"{CGenDaoBriefDescriptionTag}" orphan:"true"`
+		NoJsonTag          bool   `name:"noJsonTag"           short:"k"  brief:"{CGenDaoBriefNoJsonTag}" orphan:"true"`
+		NoModelComment     bool   `name:"noModelComment"      short:"m"  brief:"{CGenDaoBriefNoModelComment}" orphan:"true"`
+		Clear              bool   `name:"clear"               short:"a"  brief:"{CGenDaoBriefClear}" orphan:"true"`
+	}
+	CGenDaoOutput struct{}
+
+	CGenDaoInternalInput struct {
+		CGenDaoInput
+		DB            gdb.DB
+		TableNames    []string
+		NewTableNames []string
+		ModName       string // Module name of current golang project, which is used for import purpose.
+	}
+)
+
+func (c CGenDao) Dao(ctx context.Context, in CGenDaoInput) (out *CGenDaoOutput, err error) {
+	if g.Cfg().Available(ctx) {
+		v := g.Cfg().MustGet(ctx, CGenDaoConfig)
+		if v.IsSlice() {
+			for i := 0; i < len(v.Interfaces()); i++ {
+				doGenDaoForArray(ctx, i, in)
+			}
+		} else {
+			doGenDaoForArray(ctx, -1, in)
+		}
+	} else {
+		doGenDaoForArray(ctx, -1, in)
+	}
+	mlog.Print("done!")
+	return
+}
+
+// doGenDaoForArray implements the "gen dao" command for configuration array.
+func doGenDaoForArray(ctx context.Context, index int, in CGenDaoInput) {
+	var (
+		err     error
+		db      gdb.DB
+		modName string // Go module name, eg: github.com/gogf/gf.
+	)
+	if index >= 0 {
+		err = g.Cfg().MustGet(
+			ctx,
+			fmt.Sprintf(`%s.%d`, CGenDaoConfig, index),
+		).Scan(&in)
+		if err != nil {
+			mlog.Fatalf(`invalid configuration of "%s": %+v`, CGenDaoConfig, err)
+		}
+	}
+	if dirRealPath := gfile.RealPath(in.Path); dirRealPath == "" {
+		mlog.Fatalf(`path "%s" does not exist`, in.Path)
+	}
+	removePrefixArray := gstr.SplitAndTrim(in.RemovePrefix, ",")
+	if in.ImportPrefix == "" {
+		if !gfile.Exists("go.mod") {
+			mlog.Fatal("go.mod does not exist in current working directory")
+		}
+		var (
+			goModContent = gfile.GetContents("go.mod")
+			match, _     = gregex.MatchString(`^module\s+(.+)\s*`, goModContent)
+		)
+		if len(match) > 1 {
+			modName = gstr.Trim(match[1])
+		} else {
+			mlog.Fatal("module name does not found in go.mod")
+		}
+	}
+
+	// It uses user passed database configuration.
+	if in.Link != "" {
+		var tempGroup = gtime.TimestampNanoStr()
+		gdb.AddConfigNode(tempGroup, gdb.ConfigNode{
+			Link: in.Link,
+		})
+		if db, err = gdb.Instance(tempGroup); err != nil {
+			mlog.Fatalf(`database initialization failed: %+v`, err)
+		}
+	} else {
+		db = g.DB(in.Group)
+	}
+	if db == nil {
+		mlog.Fatal(`database initialization failed, may be invalid database configuration`)
+	}
+
+	var tableNames []string
+	if in.Tables != "" {
+		tableNames = gstr.SplitAndTrim(in.Tables, ",")
+	} else {
+		tableNames, err = db.Tables(context.TODO())
+		if err != nil {
+			mlog.Fatalf("fetching tables failed: %+v", err)
+		}
+	}
+	// Table excluding.
+	if in.TablesEx != "" {
+		array := garray.NewStrArrayFrom(tableNames)
+		for _, v := range gstr.SplitAndTrim(in.TablesEx, ",") {
+			array.RemoveValue(v)
+		}
+		tableNames = array.Slice()
+	}
+
+	// Generating dao & model go files one by one according to given table name.
+	newTableNames := make([]string, len(tableNames))
+	for i, tableName := range tableNames {
+		newTableName := tableName
+		for _, v := range removePrefixArray {
+			newTableName = gstr.TrimLeftStr(newTableName, v, 1)
+		}
+		newTableName = in.Prefix + newTableName
+		newTableNames[i] = newTableName
+	}
+	// Dao: index and internal.
+	generateDao(ctx, CGenDaoInternalInput{
+		CGenDaoInput:  in,
+		DB:            db,
+		TableNames:    tableNames,
+		NewTableNames: newTableNames,
+		ModName:       modName,
+	})
+	// Do.
+	generateDo(ctx, CGenDaoInternalInput{
+		CGenDaoInput:  in,
+		DB:            db,
+		TableNames:    tableNames,
+		NewTableNames: newTableNames,
+		ModName:       modName,
+	})
+	// Entity.
+	generateEntity(ctx, CGenDaoInternalInput{
+		CGenDaoInput:  in,
+		DB:            db,
+		TableNames:    tableNames,
+		NewTableNames: newTableNames,
+		ModName:       modName,
+	})
+}
+
+func getImportPartContent(source string, isDo bool) string {
+	var (
+		packageImportsArray = garray.NewStrArray()
+	)
+
+	if isDo {
+		packageImportsArray.Append(`"github.com/gogf/gf/v2/frame/g"`)
+	}
+
+	// Time package recognition.
+	if strings.Contains(source, "gtime.Time") {
+		packageImportsArray.Append(`"github.com/gogf/gf/v2/os/gtime"`)
+	} else if strings.Contains(source, "time.Time") {
+		packageImportsArray.Append(`"time"`)
+	}
+
+	// Json type.
+	if strings.Contains(source, "gjson.Json") {
+		packageImportsArray.Append(`"github.com/gogf/gf/v2/encoding/gjson"`)
+	}
+
+	// Generate and write content to golang file.
+	packageImportsStr := ""
+	if packageImportsArray.Len() > 0 {
+		packageImportsStr = fmt.Sprintf("import(\n%s\n)", packageImportsArray.Join("\n"))
+	}
+	return packageImportsStr
+}
+
+func replaceDefaultVar(in CGenDaoInternalInput, origin string) string {
+	var tplCreatedAtDatetimeStr string
+	var tplDatetimeStr string = createdAt.String()
+	if in.WithTime {
+		tplCreatedAtDatetimeStr = fmt.Sprintf(`Created at %s`, tplDatetimeStr)
+	}
+	return gstr.ReplaceByMap(origin, g.MapStrStr{
+		tplVarDatetimeStr:          tplDatetimeStr,
+		tplVarCreatedAtDatetimeStr: tplCreatedAtDatetimeStr,
+	})
+}
+
+func sortFieldKeyForDao(fieldMap map[string]*gdb.TableField) []string {
+	names := make(map[int]string)
+	for _, field := range fieldMap {
+		names[field.Index] = field.Name
+	}
+	var (
+		i      = 0
+		j      = 0
+		result = make([]string, len(names))
+	)
+	for {
+		if len(names) == 0 {
+			break
+		}
+		if val, ok := names[i]; ok {
+			result[j] = val
+			j++
+			delete(names, i)
+		}
+		i++
+	}
+	return result
+}
+
+func getTemplateFromPathOrDefault(filePath string, def string) string {
+	if filePath != "" {
+		if contents := gfile.GetContents(filePath); contents != "" {
+			return contents
+		}
+	}
+	return def
+}

cmd/gf/internal/cmd/gendao/gendao_clear.go

@@ -0,0 +1,23 @@
+package gendao
+
+import (
+	"context"
+
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/utils"
+	"github.com/gogf/gf/v2/os/gfile"
+)
+
+func doClear(ctx context.Context, dirPath string) {
+	files, err := gfile.ScanDirFile(dirPath, "*.go", true)
+	if err != nil {
+		mlog.Fatal(err)
+	}
+	for _, file := range files {
+		if utils.IsFileDoNotEdit(file) {
+			if err = gfile.Remove(file); err != nil {
+				mlog.Print(err)
+			}
+		}
+	}
+}

cmd/gf/internal/cmd/gendao/gendao_dao.go

@@ -0,0 +1,227 @@
+package gendao
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"strings"
+
+	"github.com/gogf/gf/cmd/gf/v2/internal/consts"
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/utils"
+	"github.com/gogf/gf/v2/database/gdb"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gfile"
+	"github.com/gogf/gf/v2/text/gregex"
+	"github.com/gogf/gf/v2/text/gstr"
+	"github.com/olekukonko/tablewriter"
+)
+
+func generateDao(ctx context.Context, in CGenDaoInternalInput) {
+	var (
+		dirPathDao         = gfile.Join(in.Path, in.DaoPath)
+		dirPathDaoInternal = gfile.Join(dirPathDao, "internal")
+	)
+	if in.Clear {
+		doClear(ctx, dirPathDao)
+	}
+	for i := 0; i < len(in.TableNames); i++ {
+		generateDaoSingle(ctx, generateDaoSingleInput{
+			CGenDaoInternalInput: in,
+			TableName:            in.TableNames[i],
+			NewTableName:         in.NewTableNames[i],
+			DirPathDao:           dirPathDao,
+			DirPathDaoInternal:   dirPathDaoInternal,
+		})
+	}
+}
+
+type generateDaoSingleInput struct {
+	CGenDaoInternalInput
+	TableName          string // TableName specifies the table name of the table.
+	NewTableName       string // NewTableName specifies the prefix-stripped name of the table.
+	DirPathDao         string
+	DirPathDaoInternal string
+}
+
+// generateDaoSingle generates the dao and model content of given table.
+func generateDaoSingle(ctx context.Context, in generateDaoSingleInput) {
+	// Generating table data preparing.
+	fieldMap, err := in.DB.TableFields(ctx, in.TableName)
+	if err != nil {
+		mlog.Fatalf(`fetching tables fields failed for table "%s": %+v`, in.TableName, err)
+	}
+	var (
+		dirRealPath             = gfile.RealPath(in.Path)
+		tableNameCamelCase      = gstr.CaseCamel(in.NewTableName)
+		tableNameCamelLowerCase = gstr.CaseCamelLower(in.NewTableName)
+		tableNameSnakeCase      = gstr.CaseSnake(in.NewTableName)
+		importPrefix            = in.ImportPrefix
+	)
+	if importPrefix == "" {
+		if dirRealPath == "" {
+			dirRealPath = in.Path
+			importPrefix = dirRealPath
+			importPrefix = gstr.Trim(dirRealPath, "./")
+		} else {
+			importPrefix = gstr.Replace(dirRealPath, gfile.Pwd(), "")
+		}
+		importPrefix = gstr.Replace(importPrefix, gfile.Separator, "/")
+		importPrefix = gstr.Join(g.SliceStr{in.ModName, importPrefix, in.DaoPath}, "/")
+		importPrefix, _ = gregex.ReplaceString(`\/{2,}`, `/`, gstr.Trim(importPrefix, "/"))
+	} else {
+		importPrefix = gstr.Join(g.SliceStr{importPrefix, in.DaoPath}, "/")
+	}
+
+	fileName := gstr.Trim(tableNameSnakeCase, "-_.")
+	if len(fileName) > 5 && fileName[len(fileName)-5:] == "_test" {
+		// Add suffix to avoid the table name which contains "_test",
+		// which would make the go file a testing file.
+		fileName += "_table"
+	}
+
+	// dao - index
+	generateDaoIndex(generateDaoIndexInput{
+		generateDaoSingleInput:  in,
+		TableNameCamelCase:      tableNameCamelCase,
+		TableNameCamelLowerCase: tableNameCamelLowerCase,
+		ImportPrefix:            importPrefix,
+		FileName:                fileName,
+	})
+
+	// dao - internal
+	generateDaoInternal(generateDaoInternalInput{
+		generateDaoSingleInput:  in,
+		TableNameCamelCase:      tableNameCamelCase,
+		TableNameCamelLowerCase: tableNameCamelLowerCase,
+		ImportPrefix:            importPrefix,
+		FileName:                fileName,
+		FieldMap:                fieldMap,
+	})
+}
+
+type generateDaoIndexInput struct {
+	generateDaoSingleInput
+	TableNameCamelCase      string
+	TableNameCamelLowerCase string
+	ImportPrefix            string
+	FileName                string
+}
+
+func generateDaoIndex(in generateDaoIndexInput) {
+	path := gfile.Join(in.DirPathDao, in.FileName+".go")
+	if in.OverwriteDao || !gfile.Exists(path) {
+		indexContent := gstr.ReplaceByMap(
+			getTemplateFromPathOrDefault(in.TplDaoIndexPath, consts.TemplateGenDaoIndexContent),
+			g.MapStrStr{
+				tplVarImportPrefix:            in.ImportPrefix,
+				tplVarTableName:               in.TableName,
+				tplVarTableNameCamelCase:      in.TableNameCamelCase,
+				tplVarTableNameCamelLowerCase: in.TableNameCamelLowerCase,
+			})
+		indexContent = replaceDefaultVar(in.CGenDaoInternalInput, indexContent)
+		if err := gfile.PutContents(path, strings.TrimSpace(indexContent)); err != nil {
+			mlog.Fatalf("writing content to '%s' failed: %v", path, err)
+		} else {
+			utils.GoFmt(path)
+			mlog.Print("generated:", path)
+		}
+	}
+}
+
+type generateDaoInternalInput struct {
+	generateDaoSingleInput
+	TableNameCamelCase      string
+	TableNameCamelLowerCase string
+	ImportPrefix            string
+	FileName                string
+	FieldMap                map[string]*gdb.TableField
+}
+
+func generateDaoInternal(in generateDaoInternalInput) {
+	path := gfile.Join(in.DirPathDaoInternal, in.FileName+".go")
+	modelContent := gstr.ReplaceByMap(
+		getTemplateFromPathOrDefault(in.TplDaoInternalPath, consts.TemplateGenDaoInternalContent),
+		g.MapStrStr{
+			tplVarImportPrefix:            in.ImportPrefix,
+			tplVarTableName:               in.TableName,
+			tplVarGroupName:               in.Group,
+			tplVarTableNameCamelCase:      in.TableNameCamelCase,
+			tplVarTableNameCamelLowerCase: in.TableNameCamelLowerCase,
+			tplVarColumnDefine:            gstr.Trim(generateColumnDefinitionForDao(in.FieldMap)),
+			tplVarColumnNames:             gstr.Trim(generateColumnNamesForDao(in.FieldMap)),
+		})
+	modelContent = replaceDefaultVar(in.CGenDaoInternalInput, modelContent)
+	if err := gfile.PutContents(path, strings.TrimSpace(modelContent)); err != nil {
+		mlog.Fatalf("writing content to '%s' failed: %v", path, err)
+	} else {
+		utils.GoFmt(path)
+		mlog.Print("generated:", path)
+	}
+}
+
+// generateColumnNamesForDao generates and returns the column names assignment content of column struct
+// for specified table.
+func generateColumnNamesForDao(fieldMap map[string]*gdb.TableField) string {
+	var (
+		buffer = bytes.NewBuffer(nil)
+		array  = make([][]string, len(fieldMap))
+		names  = sortFieldKeyForDao(fieldMap)
+	)
+	for index, name := range names {
+		field := fieldMap[name]
+		array[index] = []string{
+			"            #" + gstr.CaseCamel(field.Name) + ":",
+			fmt.Sprintf(` #"%s",`, field.Name),
+		}
+	}
+	tw := tablewriter.NewWriter(buffer)
+	tw.SetBorder(false)
+	tw.SetRowLine(false)
+	tw.SetAutoWrapText(false)
+	tw.SetColumnSeparator("")
+	tw.AppendBulk(array)
+	tw.Render()
+	namesContent := buffer.String()
+	// Let's do this hack of table writer for indent!
+	namesContent = gstr.Replace(namesContent, "  #", "")
+	buffer.Reset()
+	buffer.WriteString(namesContent)
+	return buffer.String()
+}
+
+// generateColumnDefinitionForDao generates and returns the column names definition for specified table.
+func generateColumnDefinitionForDao(fieldMap map[string]*gdb.TableField) string {
+	var (
+		buffer = bytes.NewBuffer(nil)
+		array  = make([][]string, len(fieldMap))
+		names  = sortFieldKeyForDao(fieldMap)
+	)
+	for index, name := range names {
+		var (
+			field   = fieldMap[name]
+			comment = gstr.Trim(gstr.ReplaceByArray(field.Comment, g.SliceStr{
+				"\n", " ",
+				"\r", " ",
+			}))
+		)
+		array[index] = []string{
+			"    #" + gstr.CaseCamel(field.Name),
+			" # " + "string",
+			" #" + fmt.Sprintf(`// %s`, comment),
+		}
+	}
+	tw := tablewriter.NewWriter(buffer)
+	tw.SetBorder(false)
+	tw.SetRowLine(false)
+	tw.SetAutoWrapText(false)
+	tw.SetColumnSeparator("")
+	tw.AppendBulk(array)
+	tw.Render()
+	defineContent := buffer.String()
+	// Let's do this hack of table writer for indent!
+	defineContent = gstr.Replace(defineContent, "  #", "")
+	buffer.Reset()
+	buffer.WriteString(defineContent)
+	return buffer.String()
+}

cmd/gf/internal/cmd/gendao/gendao_do.go

@@ -0,0 +1,81 @@
+package gendao
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"github.com/gogf/gf/cmd/gf/v2/internal/consts"
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/utils"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gfile"
+	"github.com/gogf/gf/v2/text/gregex"
+	"github.com/gogf/gf/v2/text/gstr"
+)
+
+func generateDo(ctx context.Context, in CGenDaoInternalInput) {
+	var dirPathDo = gfile.Join(in.Path, in.DoPath)
+	if in.Clear {
+		doClear(ctx, dirPathDo)
+	}
+	in.NoJsonTag = true
+	in.DescriptionTag = false
+	in.NoModelComment = false
+	// Model content.
+	for i, tableName := range in.TableNames {
+		fieldMap, err := in.DB.TableFields(ctx, tableName)
+		if err != nil {
+			mlog.Fatalf("fetching tables fields failed for table '%s':\n%v", tableName, err)
+		}
+		var (
+			newTableName     = in.NewTableNames[i]
+			doFilePath       = gfile.Join(dirPathDo, gstr.CaseSnake(newTableName)+".go")
+			structDefinition = generateStructDefinition(ctx, generateStructDefinitionInput{
+				CGenDaoInternalInput: in,
+				TableName:            tableName,
+				StructName:           gstr.CaseCamel(newTableName),
+				FieldMap:             fieldMap,
+				IsDo:                 true,
+			})
+		)
+		// replace all types to interface{}.
+		structDefinition, _ = gregex.ReplaceStringFuncMatch(
+			"([A-Z]\\w*?)\\s+([\\w\\*\\.]+?)\\s+(//)",
+			structDefinition,
+			func(match []string) string {
+				// If the type is already a pointer/slice/map, it does nothing.
+				if !gstr.HasPrefix(match[2], "*") && !gstr.HasPrefix(match[2], "[]") && !gstr.HasPrefix(match[2], "map") {
+					return fmt.Sprintf(`%s interface{} %s`, match[1], match[3])
+				}
+				return match[0]
+			},
+		)
+		modelContent := generateDoContent(
+			in,
+			tableName,
+			gstr.CaseCamel(newTableName),
+			structDefinition,
+		)
+		err = gfile.PutContents(doFilePath, strings.TrimSpace(modelContent))
+		if err != nil {
+			mlog.Fatalf(`writing content to "%s" failed: %v`, doFilePath, err)
+		} else {
+			utils.GoFmt(doFilePath)
+			mlog.Print("generated:", doFilePath)
+		}
+	}
+}
+
+func generateDoContent(in CGenDaoInternalInput, tableName, tableNameCamelCase, structDefine string) string {
+	doContent := gstr.ReplaceByMap(
+		getTemplateFromPathOrDefault(in.TplDaoDoPath, consts.TemplateGenDaoDoContent),
+		g.MapStrStr{
+			tplVarTableName:          tableName,
+			tplVarPackageImports:     getImportPartContent(structDefine, true),
+			tplVarTableNameCamelCase: tableNameCamelCase,
+			tplVarStructDefine:       structDefine,
+		})
+	doContent = replaceDefaultVar(in, doContent)
+	return doContent
+}

cmd/gf/internal/cmd/gendao/gendao_entity.go

@@ -0,0 +1,63 @@
+package gendao
+
+import (
+	"context"
+	"strings"
+
+	"github.com/gogf/gf/cmd/gf/v2/internal/consts"
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/utils"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gfile"
+	"github.com/gogf/gf/v2/text/gstr"
+)
+
+func generateEntity(ctx context.Context, in CGenDaoInternalInput) {
+	var dirPathEntity = gfile.Join(in.Path, in.EntityPath)
+	if in.Clear {
+		doClear(ctx, dirPathEntity)
+	}
+	// Model content.
+	for i, tableName := range in.TableNames {
+		fieldMap, err := in.DB.TableFields(ctx, tableName)
+		if err != nil {
+			mlog.Fatalf("fetching tables fields failed for table '%s':\n%v", tableName, err)
+		}
+		var (
+			newTableName   = in.NewTableNames[i]
+			entityFilePath = gfile.Join(dirPathEntity, gstr.CaseSnake(newTableName)+".go")
+			entityContent  = generateEntityContent(
+				in,
+				newTableName,
+				gstr.CaseCamel(newTableName),
+				generateStructDefinition(ctx, generateStructDefinitionInput{
+					CGenDaoInternalInput: in,
+					TableName:            tableName,
+					StructName:           gstr.CaseCamel(newTableName),
+					FieldMap:             fieldMap,
+					IsDo:                 false,
+				}),
+			)
+		)
+		err = gfile.PutContents(entityFilePath, strings.TrimSpace(entityContent))
+		if err != nil {
+			mlog.Fatalf("writing content to '%s' failed: %v", entityFilePath, err)
+		} else {
+			utils.GoFmt(entityFilePath)
+			mlog.Print("generated:", entityFilePath)
+		}
+	}
+}
+
+func generateEntityContent(in CGenDaoInternalInput, tableName, tableNameCamelCase, structDefine string) string {
+	entityContent := gstr.ReplaceByMap(
+		getTemplateFromPathOrDefault(in.TplDaoEntityPath, consts.TemplateGenDaoEntityContent),
+		g.MapStrStr{
+			tplVarTableName:          tableName,
+			tplVarPackageImports:     getImportPartContent(structDefine, false),
+			tplVarTableNameCamelCase: tableNameCamelCase,
+			tplVarStructDefine:       structDefine,
+		})
+	entityContent = replaceDefaultVar(in, entityContent)
+	return entityContent
+}

cmd/gf/internal/cmd/gendao/gendao_structure.go

@@ -0,0 +1,153 @@
+package gendao
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+
+	"github.com/gogf/gf/v2/database/gdb"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/text/gregex"
+	"github.com/gogf/gf/v2/text/gstr"
+	"github.com/olekukonko/tablewriter"
+)
+
+type generateStructDefinitionInput struct {
+	CGenDaoInternalInput
+	TableName  string                     // Table name.
+	StructName string                     // Struct name.
+	FieldMap   map[string]*gdb.TableField // Table field map.
+	IsDo       bool                       // Is generating DTO struct.
+}
+
+func generateStructDefinition(ctx context.Context, in generateStructDefinitionInput) string {
+	buffer := bytes.NewBuffer(nil)
+	array := make([][]string, len(in.FieldMap))
+	names := sortFieldKeyForDao(in.FieldMap)
+	for index, name := range names {
+		field := in.FieldMap[name]
+		array[index] = generateStructFieldDefinition(ctx, field, in)
+	}
+	tw := tablewriter.NewWriter(buffer)
+	tw.SetBorder(false)
+	tw.SetRowLine(false)
+	tw.SetAutoWrapText(false)
+	tw.SetColumnSeparator("")
+	tw.AppendBulk(array)
+	tw.Render()
+	stContent := buffer.String()
+	// Let's do this hack of table writer for indent!
+	stContent = gstr.Replace(stContent, "  #", "")
+	stContent = gstr.Replace(stContent, "` ", "`")
+	stContent = gstr.Replace(stContent, "``", "")
+	buffer.Reset()
+	buffer.WriteString(fmt.Sprintf("type %s struct {\n", in.StructName))
+	if in.IsDo {
+		buffer.WriteString(fmt.Sprintf("g.Meta `orm:\"table:%s, do:true\"`\n", in.TableName))
+	}
+	buffer.WriteString(stContent)
+	buffer.WriteString("}")
+	return buffer.String()
+}
+
+// generateStructFieldForModel generates and returns the attribute definition for specified field.
+func generateStructFieldDefinition(
+	ctx context.Context, field *gdb.TableField, in generateStructDefinitionInput,
+) []string {
+	var (
+		err      error
+		typeName string
+		jsonTag  = getJsonTagFromCase(field.Name, in.JsonCase)
+	)
+	typeName, err = in.DB.CheckLocalTypeForField(ctx, field.Type, nil)
+	if err != nil {
+		panic(err)
+	}
+	switch typeName {
+	case gdb.LocalTypeDate, gdb.LocalTypeDatetime:
+		if in.StdTime {
+			typeName = "time.Time"
+		} else {
+			typeName = "*gtime.Time"
+		}
+
+	case gdb.LocalTypeInt64Bytes:
+		typeName = "int64"
+
+	case gdb.LocalTypeUint64Bytes:
+		typeName = "uint64"
+
+	// Special type handle.
+	case gdb.LocalTypeJson, gdb.LocalTypeJsonb:
+		if in.GJsonSupport {
+			typeName = "*gjson.Json"
+		} else {
+			typeName = "string"
+		}
+	}
+
+	var (
+		tagKey = "`"
+		result = []string{
+			"    #" + gstr.CaseCamel(field.Name),
+			" #" + typeName,
+		}
+		descriptionTag = gstr.Replace(formatComment(field.Comment), `"`, `\"`)
+	)
+
+	result = append(result, " #"+fmt.Sprintf(tagKey+`json:"%s"`, jsonTag))
+	result = append(result, " #"+fmt.Sprintf(`description:"%s"`+tagKey, descriptionTag))
+	result = append(result, " #"+fmt.Sprintf(`// %s`, formatComment(field.Comment)))
+
+	for k, v := range result {
+		if in.NoJsonTag {
+			v, _ = gregex.ReplaceString(`json:".+"`, ``, v)
+		}
+		if !in.DescriptionTag {
+			v, _ = gregex.ReplaceString(`description:".*"`, ``, v)
+		}
+		if in.NoModelComment {
+			v, _ = gregex.ReplaceString(`//.+`, ``, v)
+		}
+		result[k] = v
+	}
+	return result
+}
+
+// formatComment formats the comment string to fit the golang code without any lines.
+func formatComment(comment string) string {
+	comment = gstr.ReplaceByArray(comment, g.SliceStr{
+		"\n", " ",
+		"\r", " ",
+	})
+	comment = gstr.Replace(comment, `\n`, " ")
+	comment = gstr.Trim(comment)
+	return comment
+}
+
+// getJsonTagFromCase call gstr.Case* function to convert the s to specified case.
+func getJsonTagFromCase(str, caseStr string) string {
+	switch gstr.ToLower(caseStr) {
+	case gstr.ToLower("Camel"):
+		return gstr.CaseCamel(str)
+
+	case gstr.ToLower("CamelLower"):
+		return gstr.CaseCamelLower(str)
+
+	case gstr.ToLower("Kebab"):
+		return gstr.CaseKebab(str)
+
+	case gstr.ToLower("KebabScreaming"):
+		return gstr.CaseKebabScreaming(str)
+
+	case gstr.ToLower("Snake"):
+		return gstr.CaseSnake(str)
+
+	case gstr.ToLower("SnakeFirstUpper"):
+		return gstr.CaseSnakeFirstUpper(str)
+
+	case gstr.ToLower("SnakeScreaming"):
+		return gstr.CaseSnakeScreaming(str)
+	}
+	return str
+}

cmd/gf/internal/cmd/genservice/genservice.go

@@ -0,0 +1,276 @@
+package genservice
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/utils"
+	"github.com/gogf/gf/v2/container/garray"
+	"github.com/gogf/gf/v2/container/gset"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gfile"
+	"github.com/gogf/gf/v2/os/gproc"
+	"github.com/gogf/gf/v2/os/gtime"
+	"github.com/gogf/gf/v2/text/gregex"
+	"github.com/gogf/gf/v2/text/gstr"
+	"github.com/gogf/gf/v2/util/gconv"
+	"github.com/gogf/gf/v2/util/gtag"
+)
+
+const (
+	CGenServiceConfig = `gfcli.gen.service`
+	CGenServiceUsage  = `gf gen service [OPTION]`
+	CGenServiceBrief  = `parse struct and associated functions from packages to generate service go file`
+	CGenServiceEg     = `
+gf gen service
+gf gen service -f Snake
+`
+	CGenServiceBriefSrcFolder    = `source folder path to be parsed. default: internal/logic`
+	CGenServiceBriefDstFolder    = `destination folder path storing automatically generated go files. default: internal/service`
+	CGenServiceBriefFileNameCase = `
+destination file name storing automatically generated go files, cases are as follows:
+| Case            | Example            |
+|---------------- |--------------------|
+| Lower           | anykindofstring    |
+| Camel           | AnyKindOfString    |
+| CamelLower      | anyKindOfString    |
+| Snake           | any_kind_of_string | default
+| SnakeScreaming  | ANY_KIND_OF_STRING |
+| SnakeFirstUpper | rgb_code_md5       |
+| Kebab           | any-kind-of-string |
+| KebabScreaming  | ANY-KIND-OF-STRING |
+`
+	CGenServiceBriefWatchFile    = `used in file watcher, it re-generates all service go files only if given file is under srcFolder`
+	CGenServiceBriefStPattern    = `regular expression matching struct name for generating service. default: ^s([A-Z]\\\\w+)$`
+	CGenServiceBriefPackages     = `produce go files only for given source packages`
+	CGenServiceBriefImportPrefix = `custom import prefix to calculate import path for generated importing go file of logic`
+	CGenServiceBriefClear        = `delete all generated go files that are not used any further`
+)
+
+func init() {
+	gtag.Sets(g.MapStrStr{
+		`CGenServiceConfig`:            CGenServiceConfig,
+		`CGenServiceUsage`:             CGenServiceUsage,
+		`CGenServiceBrief`:             CGenServiceBrief,
+		`CGenServiceEg`:                CGenServiceEg,
+		`CGenServiceBriefSrcFolder`:    CGenServiceBriefSrcFolder,
+		`CGenServiceBriefDstFolder`:    CGenServiceBriefDstFolder,
+		`CGenServiceBriefFileNameCase`: CGenServiceBriefFileNameCase,
+		`CGenServiceBriefWatchFile`:    CGenServiceBriefWatchFile,
+		`CGenServiceBriefStPattern`:    CGenServiceBriefStPattern,
+		`CGenServiceBriefPackages`:     CGenServiceBriefPackages,
+		`CGenServiceBriefImportPrefix`: CGenServiceBriefImportPrefix,
+		`CGenServiceBriefClear`:        CGenServiceBriefClear,
+	})
+}
+
+type (
+	CGenService      struct{}
+	CGenServiceInput struct {
+		g.Meta          `name:"service" config:"{CGenServiceConfig}" usage:"{CGenServiceUsage}" brief:"{CGenServiceBrief}" eg:"{CGenServiceEg}"`
+		SrcFolder       string   `short:"s" name:"srcFolder" brief:"{CGenServiceBriefSrcFolder}" d:"internal/logic"`
+		DstFolder       string   `short:"d" name:"dstFolder" brief:"{CGenServiceBriefDstFolder}" d:"internal/service"`
+		DstFileNameCase string   `short:"f" name:"dstFileNameCase" brief:"{CGenServiceBriefFileNameCase}" d:"Snake"`
+		WatchFile       string   `short:"w" name:"watchFile" brief:"{CGenServiceBriefWatchFile}"`
+		StPattern       string   `short:"a" name:"stPattern" brief:"{CGenServiceBriefStPattern}" d:"^s([A-Z]\\w+)$"`
+		Packages        []string `short:"p" name:"packages" brief:"{CGenServiceBriefPackages}"`
+		ImportPrefix    string   `short:"i" name:"importPrefix" brief:"{CGenServiceBriefImportPrefix}"`
+		Clear           bool     `short:"l" name:"clear" brief:"{CGenServiceBriefClear}" orphan:"true"`
+	}
+	CGenServiceOutput struct{}
+)
+
+const (
+	genServiceFileLockSeconds = 10
+)
+
+func (c CGenService) Service(ctx context.Context, in CGenServiceInput) (out *CGenServiceOutput, err error) {
+	// File lock to avoid multiple processes.
+	var (
+		flockFilePath = gfile.Temp("gf.cli.gen.service.lock")
+		flockContent  = gfile.GetContents(flockFilePath)
+	)
+	if flockContent != "" {
+		if gtime.Timestamp()-gconv.Int64(flockContent) < genServiceFileLockSeconds {
+			// If another "gen service" process is running, it just exits.
+			mlog.Debug(`another "gen service" process is running, exit`)
+			return
+		}
+	}
+	defer gfile.Remove(flockFilePath)
+	_ = gfile.PutContents(flockFilePath, gtime.TimestampStr())
+
+	in.SrcFolder = gstr.TrimRight(in.SrcFolder, `\/`)
+	in.SrcFolder = gstr.Replace(in.SrcFolder, "\\", "/")
+	in.WatchFile = gstr.TrimRight(in.WatchFile, `\/`)
+	in.WatchFile = gstr.Replace(in.WatchFile, "\\", "/")
+
+	// Watch file handling.
+	if in.WatchFile != "" {
+		// It works only if given WatchFile is in SrcFolder.
+		var (
+			watchFileDir = gfile.Dir(in.WatchFile)
+			srcFolderDir = gfile.Dir(watchFileDir)
+		)
+		mlog.Debug("watchFileDir:", watchFileDir)
+		mlog.Debug("logicFolderDir:", srcFolderDir)
+		if !gstr.HasSuffix(gstr.Replace(srcFolderDir, `\`, `/`), in.SrcFolder) {
+			mlog.Printf(`ignore watch file "%s", not in source path "%s"`, in.WatchFile, in.SrcFolder)
+			return
+		}
+		var newWorkingDir = gfile.Dir(gfile.Dir(srcFolderDir))
+		if err = gfile.Chdir(newWorkingDir); err != nil {
+			mlog.Fatalf(`%+v`, err)
+		}
+		mlog.Debug("Chdir:", newWorkingDir)
+		_ = gfile.Remove(flockFilePath)
+		var command = fmt.Sprintf(
+			`%s gen service -packages=%s`,
+			gfile.SelfName(), gfile.Basename(watchFileDir),
+		)
+		err = gproc.ShellRun(ctx, command)
+		return
+	}
+
+	if !gfile.Exists(in.SrcFolder) {
+		mlog.Fatalf(`source folder path "%s" does not exist`, in.SrcFolder)
+	}
+
+	if in.ImportPrefix == "" {
+		if !gfile.Exists("go.mod") {
+			mlog.Fatal("ImportPrefix is empty and go.mod does not exist in current working directory")
+		}
+		var (
+			goModContent = gfile.GetContents("go.mod")
+			match, _     = gregex.MatchString(`^module\s+(.+)\s*`, goModContent)
+		)
+		if len(match) > 1 {
+			in.ImportPrefix = fmt.Sprintf(`%s/%s`, gstr.Trim(match[1]), gstr.Replace(in.SrcFolder, `\`, `/`))
+		}
+	}
+
+	var (
+		isDirty                 bool                                         // Temp boolean.
+		files                   []string                                     // Temp file array.
+		fileContent             string                                       // Temp file content for handling go file.
+		initImportSrcPackages   []string                                     // Used for generating logic.go.
+		inputPackages           = in.Packages                                // Custom packages.
+		dstPackageName          = gstr.ToLower(gfile.Basename(in.DstFolder)) // Package name for generated go files.
+		generatedDstFilePathSet = gset.NewStrSet()                           // All generated file path set.
+	)
+	// The first level folders.
+	srcFolderPaths, err := gfile.ScanDir(in.SrcFolder, "*", false)
+	if err != nil {
+		return nil, err
+	}
+	for _, srcFolderPath := range srcFolderPaths {
+		if !gfile.IsDir(srcFolderPath) {
+			continue
+		}
+		// Only retrieve sub files, no recursively.
+		if files, err = gfile.ScanDir(srcFolderPath, "*.go", false); err != nil {
+			return nil, err
+		}
+		if len(files) == 0 {
+			continue
+		}
+		var (
+			// StructName => FunctionDefinitions
+			srcPkgInterfaceMap  = make(map[string]*garray.StrArray)
+			srcImportedPackages = garray.NewSortedStrArray().SetUnique(true)
+			srcPackageName      = gfile.Basename(srcFolderPath)
+			ok                  bool
+			dstFilePath         = gfile.Join(in.DstFolder,
+				c.getDstFileNameCase(srcPackageName, in.DstFileNameCase)+".go",
+			)
+		)
+		generatedDstFilePathSet.Add(dstFilePath)
+		for _, file := range files {
+			fileContent = gfile.GetContents(file)
+			// Calculate imported packages of source go files.
+			err = c.calculateImportedPackages(fileContent, srcImportedPackages)
+			if err != nil {
+				return nil, err
+			}
+			// Calculate functions and interfaces for service generating.
+			err = c.calculateInterfaceFunctions(in, fileContent, srcPkgInterfaceMap, dstPackageName)
+			if err != nil {
+				return nil, err
+			}
+		}
+		initImportSrcPackages = append(
+			initImportSrcPackages,
+			fmt.Sprintf(`%s/%s`, in.ImportPrefix, srcPackageName),
+		)
+		// Ignore source packages if input packages given.
+		if len(inputPackages) > 0 && !gstr.InArray(inputPackages, srcPackageName) {
+			mlog.Debugf(
+				`ignore source package "%s" as it is not in desired packages: %+v`,
+				srcPackageName, inputPackages,
+			)
+			continue
+		}
+		// Generating service go file for logic.
+		if ok, err = c.generateServiceFile(generateServiceFilesInput{
+			CGenServiceInput:    in,
+			SrcStructFunctions:  srcPkgInterfaceMap,
+			SrcImportedPackages: srcImportedPackages.Slice(),
+			SrcPackageName:      srcPackageName,
+			DstPackageName:      dstPackageName,
+			DstFilePath:         dstFilePath,
+		}); err != nil {
+			return
+		}
+		if ok {
+			isDirty = true
+		}
+	}
+
+	if in.Clear {
+		files, err = gfile.ScanDirFile(in.DstFolder, "*.go", false)
+		if err != nil {
+			return nil, err
+		}
+		var relativeFilePath string
+		for _, file := range files {
+			relativeFilePath = gstr.SubStrFromR(file, in.DstFolder)
+			if !generatedDstFilePathSet.Contains(relativeFilePath) && utils.IsFileDoNotEdit(relativeFilePath) {
+				mlog.Printf(`remove no longer used service file: %s`, relativeFilePath)
+				if err = gfile.Remove(file); err != nil {
+					return nil, err
+				}
+			}
+		}
+	}
+
+	if isDirty {
+		// Generate initialization go file.
+		if len(initImportSrcPackages) > 0 {
+			if err = c.generateInitializationFile(in, initImportSrcPackages); err != nil {
+				return
+			}
+		}
+
+		// Replace v1 to v2 for GoFrame.
+		if err = c.replaceGeneratedServiceContentGFV2(in); err != nil {
+			return nil, err
+		}
+		mlog.Printf(`gofmt go files in "%s"`, in.DstFolder)
+		utils.GoFmt(in.DstFolder)
+	}
+
+	mlog.Print(`done!`)
+	return
+}
+
+func (c CGenService) replaceGeneratedServiceContentGFV2(in CGenServiceInput) (err error) {
+	return gfile.ReplaceDirFunc(func(path, content string) string {
+		if gstr.Contains(content, `"github.com/gogf/gf`) && !gstr.Contains(content, `"github.com/gogf/gf/v2`) {
+			content = gstr.Replace(content, `"github.com/gogf/gf"`, `"github.com/gogf/gf/v2"`)
+			content = gstr.Replace(content, `"github.com/gogf/gf/`, `"github.com/gogf/gf/v2/`)
+			return content
+		}
+		return content
+	}, in.DstFolder, "*.go", false)
+}

cmd/gf/internal/cmd/genservice/genservice_calculate.go

@@ -0,0 +1,105 @@
+package genservice
+
+import (
+	"go/parser"
+	"go/token"
+
+	"github.com/gogf/gf/v2/container/garray"
+	"github.com/gogf/gf/v2/text/gregex"
+	"github.com/gogf/gf/v2/text/gstr"
+)
+
+func (c CGenService) calculateImportedPackages(fileContent string, srcImportedPackages *garray.SortedStrArray) (err error) {
+	f, err := parser.ParseFile(token.NewFileSet(), "", fileContent, parser.ImportsOnly)
+	if err != nil {
+		return err
+	}
+	for _, s := range f.Imports {
+		if s.Path != nil {
+			if s.Name != nil {
+				// If it has alias, and it is not `_`.
+				if pkgAlias := s.Name.String(); pkgAlias != "_" {
+					srcImportedPackages.Add(pkgAlias + " " + s.Path.Value)
+				}
+			} else {
+				// no alias
+				srcImportedPackages.Add(s.Path.Value)
+			}
+		}
+	}
+	return nil
+}
+
+func (c CGenService) calculateInterfaceFunctions(
+	in CGenServiceInput, fileContent string, srcPkgInterfaceMap map[string]*garray.StrArray, dstPackageName string,
+) (err error) {
+	var (
+		ok                       bool
+		matches                  [][]string
+		srcPkgInterfaceFuncArray *garray.StrArray
+	)
+	// calculate struct name and its functions according function definitions.
+	matches, err = gregex.MatchAllString(`func \((.+?)\) ([\s\S]+?) {`, fileContent)
+	if err != nil {
+		return err
+	}
+	for _, match := range matches {
+		var (
+			structName    string
+			structMatch   []string
+			funcReceiver  = gstr.Trim(match[1])
+			receiverArray = gstr.SplitAndTrim(funcReceiver, " ")
+			functionHead  = gstr.Trim(gstr.Replace(match[2], "\n", ""))
+		)
+		if len(receiverArray) > 1 {
+			structName = receiverArray[1]
+		} else {
+			structName = receiverArray[0]
+		}
+		structName = gstr.Trim(structName, "*")
+
+		// Case of:
+		// Xxx(\n    ctx context.Context, req *v1.XxxReq,\n) -> Xxx(ctx context.Context, req *v1.XxxReq)
+		functionHead = gstr.Replace(functionHead, `,)`, `)`)
+		functionHead, _ = gregex.ReplaceString(`\(\s+`, `(`, functionHead)
+		functionHead, _ = gregex.ReplaceString(`\s{2,}`, ` `, functionHead)
+		if !gstr.IsLetterUpper(functionHead[0]) {
+			continue
+		}
+		// Match and pick the struct name from receiver.
+		if structMatch, err = gregex.MatchString(in.StPattern, structName); err != nil {
+			return err
+		}
+		if len(structMatch) < 1 {
+			continue
+		}
+		structName = gstr.CaseCamel(structMatch[1])
+		if srcPkgInterfaceFuncArray, ok = srcPkgInterfaceMap[structName]; !ok {
+			srcPkgInterfaceMap[structName] = garray.NewStrArray()
+			srcPkgInterfaceFuncArray = srcPkgInterfaceMap[structName]
+		}
+		srcPkgInterfaceFuncArray.Append(functionHead)
+	}
+	// calculate struct name according type definitions.
+	matches, err = gregex.MatchAllString(`type (.+) struct\s*{`, fileContent)
+	if err != nil {
+		return err
+	}
+	for _, match := range matches {
+		var (
+			structName  string
+			structMatch []string
+		)
+		if structMatch, err = gregex.MatchString(in.StPattern, match[1]); err != nil {
+			return err
+		}
+		if len(structMatch) < 1 {
+			continue
+		}
+		structName = gstr.CaseCamel(structMatch[1])
+		if srcPkgInterfaceFuncArray, ok = srcPkgInterfaceMap[structName]; !ok {
+			srcPkgInterfaceMap[structName] = garray.NewStrArray()
+		}
+	}
+	return nil
+}

cmd/gf/internal/cmd/genservice/genservice_generate.go

@@ -0,0 +1,198 @@
+package genservice
+
+import (
+	"fmt"
+
+	"github.com/gogf/gf/cmd/gf/v2/internal/consts"
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/utils"
+	"github.com/gogf/gf/v2/container/garray"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gfile"
+	"github.com/gogf/gf/v2/text/gregex"
+	"github.com/gogf/gf/v2/text/gstr"
+)
+
+type generateServiceFilesInput struct {
+	CGenServiceInput
+	DstFilePath         string // Absolute file path for generated service go file.
+	SrcStructFunctions  map[string]*garray.StrArray
+	SrcImportedPackages []string
+	SrcPackageName      string
+	DstPackageName      string
+}
+
+func (c CGenService) generateServiceFile(in generateServiceFilesInput) (ok bool, err error) {
+	var (
+		generatedContent        string
+		allFuncArray            = garray.NewStrArray() // Used for check whether interface dirty, going to change file content.
+		importedPackagesContent = fmt.Sprintf(
+			"import (\n%s\n)", gstr.Join(in.SrcImportedPackages, "\n"),
+		)
+	)
+	generatedContent += gstr.ReplaceByMap(consts.TemplateGenServiceContentHead, g.MapStrStr{
+		"{Imports}":     importedPackagesContent,
+		"{PackageName}": in.DstPackageName,
+	})
+
+	// Type definitions.
+	generatedContent += "type("
+	generatedContent += "\n"
+	for structName, funcArray := range in.SrcStructFunctions {
+		allFuncArray.Append(funcArray.Slice()...)
+		generatedContent += gstr.Trim(gstr.ReplaceByMap(consts.TemplateGenServiceContentInterface, g.MapStrStr{
+			"{InterfaceName}":  "I" + structName,
+			"{FuncDefinition}": funcArray.Join("\n\t"),
+		}))
+		generatedContent += "\n"
+	}
+	generatedContent += ")"
+	generatedContent += "\n"
+
+	// Generating variable and register definitions.
+	var (
+		variableContent          string
+		generatingInterfaceCheck string
+	)
+	// Variable definitions.
+	for structName, _ := range in.SrcStructFunctions {
+		generatingInterfaceCheck = fmt.Sprintf(`[^\w\d]+%s.I%s[^\w\d]`, in.DstPackageName, structName)
+		if gregex.IsMatchString(generatingInterfaceCheck, generatedContent) {
+			continue
+		}
+		variableContent += gstr.Trim(gstr.ReplaceByMap(consts.TemplateGenServiceContentVariable, g.MapStrStr{
+			"{StructName}":    structName,
+			"{InterfaceName}": "I" + structName,
+		}))
+		variableContent += "\n"
+	}
+	if variableContent != "" {
+		generatedContent += "var("
+		generatedContent += "\n"
+		generatedContent += variableContent
+		generatedContent += ")"
+		generatedContent += "\n"
+	}
+	// Variable register function definitions.
+	for structName, _ := range in.SrcStructFunctions {
+		generatingInterfaceCheck = fmt.Sprintf(`[^\w\d]+%s.I%s[^\w\d]`, in.DstPackageName, structName)
+		if gregex.IsMatchString(generatingInterfaceCheck, generatedContent) {
+			continue
+		}
+		generatedContent += gstr.Trim(gstr.ReplaceByMap(consts.TemplateGenServiceContentRegister, g.MapStrStr{
+			"{StructName}":    structName,
+			"{InterfaceName}": "I" + structName,
+		}))
+		generatedContent += "\n\n"
+	}
+
+	// Replace empty braces that have new line.
+	generatedContent, _ = gregex.ReplaceString(`{[\s\t]+}`, `{}`, generatedContent)
+
+	// Remove package name calls of `dstPackageName` in produced codes.
+	generatedContent, _ = gregex.ReplaceString(fmt.Sprintf(`\*{0,1}%s\.`, in.DstPackageName), ``, generatedContent)
+
+	// Write file content to disk.
+	if gfile.Exists(in.DstFilePath) {
+		if !utils.IsFileDoNotEdit(in.DstFilePath) {
+			mlog.Printf(`ignore file as it is manually maintained: %s`, in.DstFilePath)
+			return false, nil
+		}
+		if !c.isToGenerateServiceGoFile(in.DstPackageName, in.DstFilePath, allFuncArray) {
+			mlog.Printf(`not dirty, ignore generating service go file: %s`, in.DstFilePath)
+			return false, nil
+		}
+	}
+	mlog.Printf(`generating service go file: %s`, in.DstFilePath)
+	if err = gfile.PutContents(in.DstFilePath, generatedContent); err != nil {
+		return true, err
+	}
+	return true, nil
+}
+
+// isToGenerateServiceGoFile checks and returns whether the service content dirty.
+func (c CGenService) isToGenerateServiceGoFile(dstPackageName, filePath string, funcArray *garray.StrArray) bool {
+	var (
+		fileContent        = gfile.GetContents(filePath)
+		generatedFuncArray = garray.NewSortedStrArrayFrom(funcArray.Slice())
+		contentFuncArray   = garray.NewSortedStrArray()
+	)
+	if fileContent == "" {
+		return true
+	}
+	matches, _ := gregex.MatchAllString(`\s+interface\s+{([\s\S]+?)}`, fileContent)
+	for _, match := range matches {
+		contentFuncArray.Append(gstr.SplitAndTrim(match[1], "\n")...)
+	}
+	if generatedFuncArray.Len() != contentFuncArray.Len() {
+		mlog.Debugf(
+			`dirty, generatedFuncArray.Len()[%d] != contentFuncArray.Len()[%d]`,
+			generatedFuncArray.Len(), contentFuncArray.Len(),
+		)
+		return true
+	}
+	var funcDefinition string
+	for i := 0; i < generatedFuncArray.Len(); i++ {
+		funcDefinition, _ = gregex.ReplaceString(
+			fmt.Sprintf(`\*{0,1}%s\.`, dstPackageName), ``, generatedFuncArray.At(i),
+		)
+		if funcDefinition != contentFuncArray.At(i) {
+			mlog.Debugf(`dirty, %s != %s`, funcDefinition, contentFuncArray.At(i))
+			return true
+		}
+	}
+	return false
+}
+
+func (c CGenService) generateInitializationFile(in CGenServiceInput, importSrcPackages []string) (err error) {
+	var (
+		srcPackageName   = gstr.ToLower(gfile.Basename(in.SrcFolder))
+		srcFilePath      = gfile.Join(in.SrcFolder, srcPackageName+".go")
+		srcImports       string
+		generatedContent string
+	)
+	if !utils.IsFileDoNotEdit(srcFilePath) {
+		mlog.Debugf(`ignore file as it is manually maintained: %s`, srcFilePath)
+		return nil
+	}
+	for _, importSrcPackage := range importSrcPackages {
+		srcImports += fmt.Sprintf(`%s_ "%s"%s`, "\t", importSrcPackage, "\n")
+	}
+	generatedContent = gstr.ReplaceByMap(consts.TemplateGenServiceLogicContent, g.MapStrStr{
+		"{PackageName}": srcPackageName,
+		"{Imports}":     srcImports,
+	})
+	mlog.Printf(`generating init go file: %s`, srcFilePath)
+	if err = gfile.PutContents(srcFilePath, generatedContent); err != nil {
+		return err
+	}
+	utils.GoFmt(srcFilePath)
+	return nil
+}
+
+// getDstFileNameCase call gstr.Case* function to convert the s to specified case.
+func (c CGenService) getDstFileNameCase(str, caseStr string) string {
+	switch gstr.ToLower(caseStr) {
+	case gstr.ToLower("Lower"):
+		return gstr.ToLower(str)
+
+	case gstr.ToLower("Camel"):
+		return gstr.CaseCamel(str)
+
+	case gstr.ToLower("CamelLower"):
+		return gstr.CaseCamelLower(str)
+
+	case gstr.ToLower("Kebab"):
+		return gstr.CaseKebab(str)
+
+	case gstr.ToLower("KebabScreaming"):
+		return gstr.CaseKebabScreaming(str)
+
+	case gstr.ToLower("SnakeFirstUpper"):
+		return gstr.CaseSnakeFirstUpper(str)
+
+	case gstr.ToLower("SnakeScreaming"):
+		return gstr.CaseSnakeScreaming(str)
+	}
+	return gstr.CaseSnake(str)
+}

cmd/gf/internal/consts/consts_gen_dao_template_dao.go

@@ -1,6 +1,6 @@
 package consts
 
-const TemplateDaoDaoIndexContent = `
+const TemplateGenDaoIndexContent = `
 // =================================================================================
 // This is auto-generated by GoFrame CLI tool only once. Fill this file as you wish.
 // =================================================================================
@@ -31,15 +31,16 @@ var (
 
 `
 
-const TemplateDaoDaoInternalContent = `
+const TemplateGenDaoInternalContent = `
 // ==========================================================================
-// Code generated by GoFrame CLI tool. DO NOT EDIT. {TplDatetimeStr}
+// Code generated by GoFrame CLI tool. DO NOT EDIT. {TplCreatedAtDatetimeStr}
 // ==========================================================================
 
 package internal
 
 import (
 	"context"
+
 	"github.com/gogf/gf/v2/database/gdb"
 	"github.com/gogf/gf/v2/frame/g"
 )
@@ -56,7 +57,7 @@ type {TplTableNameCamelCase}Columns struct {
 	{TplColumnDefine}
 }
 
-//  {TplTableNameCamelLowerCase}Columns holds the columns for table {TplTableName}.
+// {TplTableNameCamelLowerCase}Columns holds the columns for table {TplTableName}.
 var {TplTableNameCamelLowerCase}Columns = {TplTableNameCamelCase}Columns{
 	{TplColumnNames}
 }

cmd/gf/internal/consts/consts_gen_dao_template_do.go

@@ -2,7 +2,7 @@ package consts
 
 const TemplateGenDaoDoContent = `
 // =================================================================================
-// Code generated by GoFrame CLI tool. DO NOT EDIT. {TplDatetimeStr}
+// Code generated by GoFrame CLI tool. DO NOT EDIT. {TplCreatedAtDatetimeStr}
 // =================================================================================
 
 package do

cmd/gf/internal/consts/consts_gen_dao_template_entity.go

@@ -2,7 +2,7 @@ package consts
 
 const TemplateGenDaoEntityContent = `
 // =================================================================================
-// Code generated by GoFrame CLI tool. DO NOT EDIT. {TplDatetimeStr}
+// Code generated by GoFrame CLI tool. DO NOT EDIT. {TplCreatedAtDatetimeStr}
 // =================================================================================
 
 package entity

cmd/gf/internal/consts/consts_gen_service_template.go

@@ -1,28 +1,35 @@
 package consts
 
-const TemplateGenServiceContent = `
-// ==========================================================================
+const TemplateGenServiceContentHead = `
+// ================================================================================
 // Code generated by GoFrame CLI tool. DO NOT EDIT.
-// ==========================================================================
+// You can delete these comments if you wish manually maintain this interface file.
+// ================================================================================
 
 package {PackageName}
 
 {Imports}
+`
 
-type I{StructName} interface {
+const TemplateGenServiceContentInterface = `
+{InterfaceName} interface {
 	{FuncDefinition}
 }
+`
 
-var local{StructName} I{StructName}
+const TemplateGenServiceContentVariable = `
+local{StructName} {InterfaceName}
+`
 
-func {StructName}() I{StructName} {
+const TemplateGenServiceContentRegister = `
+func {StructName}() {InterfaceName} {
 	if local{StructName} == nil {
-		panic("implement not found for interface I{StructName}, forgot register?")
+		panic("implement not found for interface {InterfaceName}, forgot register?")
 	}
 	return local{StructName}
 }
 
-func Register{StructName}(i I{StructName}) {
+func Register{StructName}(i {InterfaceName}) {
 	local{StructName} = i
 }
 `

cmd/gf/internal/utility/utils/utils.go

@@ -1,52 +1,37 @@
 package utils
 
 import (
-	"context"
-	"fmt"
-
 	"github.com/gogf/gf/cmd/gf/v2/internal/consts"
 	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
 	"github.com/gogf/gf/v2/os/gfile"
-	"github.com/gogf/gf/v2/os/gproc"
 	"github.com/gogf/gf/v2/text/gstr"
+	"golang.org/x/tools/imports"
 )
 
-var (
-	gofmtPath     = gproc.SearchBinaryPath("gofmt")     // gofmtPath is the binary path of command `gofmt`.
-	goimportsPath = gproc.SearchBinaryPath("goimports") // gofmtPath is the binary path of command `goimports`.
-)
-
-func init() {
-	// Wraps the command binary path with char '"' if there's space char in the path.
-	if gstr.Contains(gofmtPath, " ") {
-		gofmtPath = fmt.Sprintf(`"%s"`, gofmtPath)
-	}
-	if gstr.Contains(goimportsPath, " ") {
-		goimportsPath = fmt.Sprintf(`"%s"`, goimportsPath)
-	}
-}
-
-// GoFmt formats the source file using command `gofmt -w -s PATH`.
+// GoFmt formats the source file and adds or removes import statements as necessary.
 func GoFmt(path string) {
-	if gofmtPath == "" {
-		mlog.Fatal(`command "gofmt" not found`)
+	replaceFunc := func(path, content string) string {
+		res, err := imports.Process(path, []byte(content), nil)
+		if err != nil {
+			mlog.Printf(`error format "%s" go files: %v`, path, err)
+			return content
+		}
+		return string(res)
 	}
-	var command = fmt.Sprintf(`%s -w %s`, gofmtPath, path)
-	result, err := gproc.ShellExec(context.Background(), command)
-	if err != nil {
-		mlog.Fatalf(`error executing command "%s": %s`, command, result)
-	}
-}
 
-// GoImports formats the source file using command `goimports -w PATH`.
-func GoImports(path string) {
-	if goimportsPath == "" {
-		mlog.Fatal(`command "goimports" not found`)
+	var err error
+	if gfile.IsFile(path) {
+		// File format.
+		if gfile.ExtName(path) != "go" {
+			return
+		}
+		err = gfile.ReplaceFileFunc(replaceFunc, path)
+	} else {
+		// Folder format.
+		err = gfile.ReplaceDirFunc(replaceFunc, path, "*.go", true)
 	}
-	var command = fmt.Sprintf(`%s -w %s`, goimportsPath, path)
-	result, err := gproc.ShellExec(context.Background(), command)
 	if err != nil {
-		mlog.Fatalf(`error executing command "%s": %s`, command, result)
+		mlog.Printf(`error format "%s" go files: %v`, path, err)
 	}
 }
 

container/garray/garray_normal_any.go

@@ -824,6 +824,9 @@ func (a *Array) IsEmpty() bool {
 
 // DeepCopy implements interface for deep copy of current type.
 func (a *Array) DeepCopy() interface{} {
+	if a == nil {
+		return nil
+	}
 	a.mu.RLock()
 	defer a.mu.RUnlock()
 	newSlice := make([]interface{}, len(a.array))

container/garray/garray_normal_int.go

@@ -802,6 +802,9 @@ func (a *IntArray) IsEmpty() bool {
 
 // DeepCopy implements interface for deep copy of current type.
 func (a *IntArray) DeepCopy() interface{} {
+	if a == nil {
+		return nil
+	}
 	a.mu.RLock()
 	defer a.mu.RUnlock()
 	newSlice := make([]int, len(a.array))

container/garray/garray_normal_str.go

@@ -815,6 +815,9 @@ func (a *StrArray) IsEmpty() bool {
 
 // DeepCopy implements interface for deep copy of current type.
 func (a *StrArray) DeepCopy() interface{} {
+	if a == nil {
+		return nil
+	}
 	a.mu.RLock()
 	defer a.mu.RUnlock()
 	newSlice := make([]string, len(a.array))

container/garray/garray_sorted_any.go

@@ -800,6 +800,9 @@ func (a *SortedArray) getComparator() func(a, b interface{}) int {
 
 // DeepCopy implements interface for deep copy of current type.
 func (a *SortedArray) DeepCopy() interface{} {
+	if a == nil {
+		return nil
+	}
 	a.mu.RLock()
 	defer a.mu.RUnlock()
 	newSlice := make([]interface{}, len(a.array))

container/garray/garray_sorted_int.go

@@ -747,6 +747,9 @@ func (a *SortedIntArray) getComparator() func(a, b int) int {
 
 // DeepCopy implements interface for deep copy of current type.
 func (a *SortedIntArray) DeepCopy() interface{} {
+	if a == nil {
+		return nil
+	}
 	a.mu.RLock()
 	defer a.mu.RUnlock()
 	newSlice := make([]int, len(a.array))

container/garray/garray_sorted_str.go

@@ -760,6 +760,9 @@ func (a *SortedStrArray) getComparator() func(a, b string) int {
 
 // DeepCopy implements interface for deep copy of current type.
 func (a *SortedStrArray) DeepCopy() interface{} {
+	if a == nil {
+		return nil
+	}
 	a.mu.RLock()
 	defer a.mu.RUnlock()
 	newSlice := make([]string, len(a.array))

container/glist/glist.go

@@ -550,6 +550,10 @@ func (l *List) UnmarshalValue(value interface{}) (err error) {
 
 // DeepCopy implements interface for deep copy of current type.
 func (l *List) DeepCopy() interface{} {
+	if l == nil {
+		return nil
+	}
+
 	l.mu.RLock()
 	defer l.mu.RUnlock()
 

container/gmap/gmap_hash_any_any_map.go

@@ -15,6 +15,7 @@ import (
 	"github.com/gogf/gf/v2/util/gconv"
 )
 
+// AnyAnyMap wraps map type `map[interface{}]interface{}` and provides more map features.
 type AnyAnyMap struct {
 	mu   rwmutex.RWMutex
 	data map[interface{}]interface{}
@@ -501,6 +502,10 @@ func (m *AnyAnyMap) UnmarshalValue(value interface{}) (err error) {
 
 // DeepCopy implements interface for deep copy of current type.
 func (m *AnyAnyMap) DeepCopy() interface{} {
+	if m == nil {
+		return nil
+	}
+
 	m.mu.RLock()
 	defer m.mu.RUnlock()
 	data := make(map[interface{}]interface{}, len(m.data))

container/gmap/gmap_hash_int_any_map.go

@@ -503,6 +503,9 @@ func (m *IntAnyMap) UnmarshalValue(value interface{}) (err error) {
 
 // DeepCopy implements interface for deep copy of current type.
 func (m *IntAnyMap) DeepCopy() interface{} {
+	if m == nil {
+		return nil
+	}
 	m.mu.RLock()
 	defer m.mu.RUnlock()
 	data := make(map[int]interface{}, len(m.data))

container/gmap/gmap_hash_int_int_map.go

@@ -473,6 +473,9 @@ func (m *IntIntMap) UnmarshalValue(value interface{}) (err error) {
 
 // DeepCopy implements interface for deep copy of current type.
 func (m *IntIntMap) DeepCopy() interface{} {
+	if m == nil {
+		return nil
+	}
 	m.mu.RLock()
 	defer m.mu.RUnlock()
 	data := make(map[int]int, len(m.data))

container/gmap/gmap_hash_int_str_map.go

@@ -473,6 +473,9 @@ func (m *IntStrMap) UnmarshalValue(value interface{}) (err error) {
 
 // DeepCopy implements interface for deep copy of current type.
 func (m *IntStrMap) DeepCopy() interface{} {
+	if m == nil {
+		return nil
+	}
 	m.mu.RLock()
 	defer m.mu.RUnlock()
 	data := make(map[int]string, len(m.data))

container/gmap/gmap_hash_str_any_map.go

@@ -16,6 +16,7 @@ import (
 	"github.com/gogf/gf/v2/util/gconv"
 )
 
+// StrAnyMap implements map[string]interface{} with RWMutex that has switch.
 type StrAnyMap struct {
 	mu   rwmutex.RWMutex
 	data map[string]interface{}
@@ -489,6 +490,9 @@ func (m *StrAnyMap) UnmarshalValue(value interface{}) (err error) {
 
 // DeepCopy implements interface for deep copy of current type.
 func (m *StrAnyMap) DeepCopy() interface{} {
+	if m == nil {
+		return nil
+	}
 	m.mu.RLock()
 	defer m.mu.RUnlock()
 	data := make(map[string]interface{}, len(m.data))

container/gmap/gmap_hash_str_int_map.go

@@ -477,6 +477,9 @@ func (m *StrIntMap) UnmarshalValue(value interface{}) (err error) {
 
 // DeepCopy implements interface for deep copy of current type.
 func (m *StrIntMap) DeepCopy() interface{} {
+	if m == nil {
+		return nil
+	}
 	m.mu.RLock()
 	defer m.mu.RUnlock()
 	data := make(map[string]int, len(m.data))

container/gmap/gmap_hash_str_str_map.go

@@ -466,6 +466,9 @@ func (m *StrStrMap) UnmarshalValue(value interface{}) (err error) {
 
 // DeepCopy implements interface for deep copy of current type.
 func (m *StrStrMap) DeepCopy() interface{} {
+	if m == nil {
+		return nil
+	}
 	m.mu.RLock()
 	defer m.mu.RUnlock()
 	data := make(map[string]string, len(m.data))

container/gmap/gmap_list_map.go

@@ -594,6 +594,9 @@ func (m *ListMap) UnmarshalValue(value interface{}) (err error) {
 
 // DeepCopy implements interface for deep copy of current type.
 func (m *ListMap) DeepCopy() interface{} {
+	if m == nil {
+		return nil
+	}
 	m.mu.RLock()
 	defer m.mu.RUnlock()
 	data := make(map[interface{}]interface{}, len(m.data))

container/gpool/gpool_z_unit_test.go

@@ -85,6 +85,7 @@ func Test_Gpool(t *testing.T) {
 		assertIndex = 0
 		p2.Close()
 		time.Sleep(3 * time.Second)
+		t.AssertNE(p2.Put(1), nil)
 	})
 
 	gtest.C(t, func(t *gtest.T) {
@@ -95,4 +96,27 @@ func Test_Gpool(t *testing.T) {
 		t.Assert(err3, errors.New("pool is empty"))
 		t.Assert(v3, nil)
 	})
+
+	gtest.C(t, func(t *gtest.T) {
+		p := gpool.New(time.Millisecond*200, nil, func(i interface{}) {})
+		p.Put(1)
+		time.Sleep(time.Millisecond * 100)
+		p.Put(2)
+		time.Sleep(time.Millisecond * 200)
+	})
+
+	gtest.C(t, func(t *gtest.T) {
+		s := make([]int, 0)
+		p := gpool.New(time.Millisecond*200, nil, func(i interface{}) {
+			s = append(s, i.(int))
+		})
+		for i := 0; i < 5; i++ {
+			p.Put(i)
+			time.Sleep(time.Millisecond * 50)
+		}
+		val, err := p.Get()
+		t.Assert(val, 2)
+		t.AssertNil(err)
+		t.Assert(p.Size(), 2)
+	})
 }

container/gqueue/gqueue_z_unit_test.go

@@ -62,4 +62,12 @@ func TestQueue_Close(t *testing.T) {
 		t.Assert(q1.Len(), 2)
 		q1.Close()
 	})
+	gtest.C(t, func(t *gtest.T) {
+		q1 := gqueue.New(2)
+		q1.Push(1)
+		q1.Push(2)
+		time.Sleep(time.Millisecond)
+		t.Assert(q1.Len(), 2)
+		q1.Close()
+	})
 }

container/gring/gring_z_unit_test.go

@@ -183,3 +183,43 @@ func Test_Issue1394(t *testing.T) {
 	})
 
 }
+
+func TestRing_RLockIteratorNext(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		r := gring.New(10)
+		for i := 0; i < 10; i++ {
+			r.Set(i).Next()
+		}
+
+		iterVal := 0
+		r.RLockIteratorNext(func(value interface{}) bool {
+			if value.(int) == 0 {
+				iterVal = value.(int)
+				return false
+			}
+			return true
+		})
+
+		t.Assert(iterVal, 0)
+	})
+}
+
+func TestRing_RLockIteratorPrev(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		r := gring.New(10)
+		for i := 0; i < 10; i++ {
+			r.Set(i).Next()
+		}
+
+		iterVal := 0
+		r.RLockIteratorPrev(func(value interface{}) bool {
+			if value.(int) == 0 {
+				iterVal = value.(int)
+				return false
+			}
+			return true
+		})
+
+		t.Assert(iterVal, 0)
+	})
+}

container/gset/gset_any_set.go

@@ -513,11 +513,14 @@ func (set *Set) UnmarshalValue(value interface{}) (err error) {
 
 // DeepCopy implements interface for deep copy of current type.
 func (set *Set) DeepCopy() interface{} {
+	if set == nil {
+		return nil
+	}
 	set.mu.RLock()
 	defer set.mu.RUnlock()
-	data := make(map[interface{}]struct{}, len(set.data))
-	for k, v := range set.data {
-		data[k] = v
+	data := make([]interface{}, 0)
+	for k, _ := range set.data {
+		data = append(data, k)
 	}
 	return NewFrom(data, set.mu.IsSafe())
 }

container/gset/gset_int_set.go

@@ -472,6 +472,9 @@ func (set *IntSet) UnmarshalValue(value interface{}) (err error) {
 
 // DeepCopy implements interface for deep copy of current type.
 func (set *IntSet) DeepCopy() interface{} {
+	if set == nil {
+		return nil
+	}
 	set.mu.RLock()
 	defer set.mu.RUnlock()
 	var (

container/gset/gset_str_set.go

@@ -502,6 +502,9 @@ func (set *StrSet) UnmarshalValue(value interface{}) (err error) {
 
 // DeepCopy implements interface for deep copy of current type.
 func (set *StrSet) DeepCopy() interface{} {
+	if set == nil {
+		return nil
+	}
 	set.mu.RLock()
 	defer set.mu.RUnlock()
 	var (

container/gset/gset_z_unit_any_test.go

@@ -126,11 +126,16 @@ func TestSet_Equal(t *testing.T) {
 		s1 := gset.NewSet()
 		s2 := gset.NewSet()
 		s3 := gset.NewSet()
+		s4 := gset.NewSet()
 		s1.Add(1, 2, 3)
 		s2.Add(1, 2, 3)
 		s3.Add(1, 2, 3, 4)
+		s4.Add(4, 5, 6)
 		t.Assert(s1.Equal(s2), true)
 		t.Assert(s1.Equal(s3), false)
+		t.Assert(s1.Equal(s4), false)
+		s5 := s1
+		t.Assert(s1.Equal(s5), true)
 	})
 }
 
@@ -147,6 +152,9 @@ func TestSet_IsSubsetOf(t *testing.T) {
 		t.Assert(s1.IsSubsetOf(s3), true)
 		t.Assert(s2.IsSubsetOf(s1), false)
 		t.Assert(s3.IsSubsetOf(s2), false)
+
+		s4 := s1
+		t.Assert(s1.IsSubsetOf(s4), true)
 	})
 }
 
@@ -175,6 +183,13 @@ func TestSet_Diff(t *testing.T) {
 		t.Assert(s3.Contains(2), true)
 		t.Assert(s3.Contains(3), false)
 		t.Assert(s3.Contains(4), false)
+
+		s4 := s1
+		s5 := s1.Diff(s2, s4)
+		t.Assert(s5.Contains(1), true)
+		t.Assert(s5.Contains(2), true)
+		t.Assert(s5.Contains(3), false)
+		t.Assert(s5.Contains(4), false)
 	})
 }
 
@@ -247,6 +262,10 @@ func TestSet_Join(t *testing.T) {
 		t.Assert(strings.Contains(str1, `\c`), true)
 		t.Assert(strings.Contains(str1, `a`), true)
 	})
+	gtest.C(t, func(t *gtest.T) {
+		s1 := gset.Set{}
+		t.Assert(s1.Join(","), "")
+	})
 }
 
 func TestSet_String(t *testing.T) {
@@ -257,6 +276,13 @@ func TestSet_String(t *testing.T) {
 		t.Assert(strings.Contains(str1, "["), true)
 		t.Assert(strings.Contains(str1, "]"), true)
 		t.Assert(strings.Contains(str1, "a2"), true)
+
+		s1 = nil
+		t.Assert(s1.String(), "")
+
+		s2 := gset.New()
+		s2.Add(1)
+		t.Assert(s2.String(), "[1]")
 	})
 }
 
@@ -285,6 +311,7 @@ func TestSet_Sum(t *testing.T) {
 func TestSet_Pop(t *testing.T) {
 	gtest.C(t, func(t *gtest.T) {
 		s := gset.New(true)
+		t.Assert(s.Pop(), nil)
 		s.Add(1, 2, 3, 4)
 		t.Assert(s.Size(), 4)
 		t.AssertIN(s.Pop(), []int{1, 2, 3, 4})
@@ -354,6 +381,7 @@ func TestSet_AddIfNotExist(t *testing.T) {
 		t.Assert(s.AddIfNotExist(2), true)
 		t.Assert(s.Contains(2), true)
 		t.Assert(s.AddIfNotExist(2), false)
+		t.Assert(s.AddIfNotExist(nil), false)
 		t.Assert(s.Contains(2), true)
 	})
 }
@@ -370,6 +398,7 @@ func TestSet_AddIfNotExistFunc(t *testing.T) {
 		t.Assert(s.Contains(2), true)
 		t.Assert(s.AddIfNotExistFunc(2, func() bool { return true }), false)
 		t.Assert(s.Contains(2), true)
+		t.Assert(s.AddIfNotExistFunc(nil, func() bool { return false }), false)
 	})
 	gtest.C(t, func(t *gtest.T) {
 		s := gset.New(true)
@@ -386,6 +415,10 @@ func TestSet_AddIfNotExistFunc(t *testing.T) {
 		s.Add(1)
 		wg.Wait()
 	})
+	gtest.C(t, func(t *gtest.T) {
+		s := gset.Set{}
+		t.Assert(s.AddIfNotExistFunc(1, func() bool { return true }), true)
+	})
 }
 
 func TestSet_Walk(t *testing.T) {
@@ -424,6 +457,12 @@ func TestSet_AddIfNotExistFuncLock(t *testing.T) {
 		}()
 		wg.Wait()
 	})
+	gtest.C(t, func(t *gtest.T) {
+		s := gset.New(true)
+		t.Assert(s.AddIfNotExistFuncLock(nil, func() bool { return true }), false)
+		s1 := gset.Set{}
+		t.Assert(s1.AddIfNotExistFuncLock(1, func() bool { return true }), true)
+	})
 }
 
 func TestSet_UnmarshalValue(t *testing.T) {
@@ -462,3 +501,18 @@ func TestSet_UnmarshalValue(t *testing.T) {
 		t.Assert(v.Set.Contains("k4"), false)
 	})
 }
+
+func TestSet_DeepCopy(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		set := gset.New()
+		set.Add(1, 2, 3)
+
+		copySet := set.DeepCopy().(*gset.Set)
+		copySet.Add(4)
+		t.AssertNE(set.Size(), copySet.Size())
+		t.AssertNE(set.String(), copySet.String())
+
+		set = nil
+		t.AssertNil(set.DeepCopy())
+	})
+}

container/gset/gset_z_unit_int_test.go

@@ -106,11 +106,16 @@ func TestIntSet_Equal(t *testing.T) {
 		s1 := gset.NewIntSet()
 		s2 := gset.NewIntSet()
 		s3 := gset.NewIntSet()
+		s4 := gset.NewIntSet()
 		s1.Add(1, 2, 3)
 		s2.Add(1, 2, 3)
 		s3.Add(1, 2, 3, 4)
+		s4.Add(4, 5, 6)
 		t.Assert(s1.Equal(s2), true)
 		t.Assert(s1.Equal(s3), false)
+		t.Assert(s1.Equal(s4), false)
+		s5 := s1
+		t.Assert(s1.Equal(s5), true)
 	})
 }
 
@@ -127,6 +132,9 @@ func TestIntSet_IsSubsetOf(t *testing.T) {
 		t.Assert(s1.IsSubsetOf(s3), true)
 		t.Assert(s2.IsSubsetOf(s1), false)
 		t.Assert(s3.IsSubsetOf(s2), false)
+
+		s4 := s1
+		t.Assert(s1.IsSubsetOf(s4), true)
 	})
 }
 
@@ -155,6 +163,13 @@ func TestIntSet_Diff(t *testing.T) {
 		t.Assert(s3.Contains(2), true)
 		t.Assert(s3.Contains(3), false)
 		t.Assert(s3.Contains(4), false)
+
+		s4 := s1
+		s5 := s1.Diff(s2, s4)
+		t.Assert(s5.Contains(1), true)
+		t.Assert(s5.Contains(2), true)
+		t.Assert(s5.Contains(3), false)
+		t.Assert(s5.Contains(4), false)
 	})
 }
 
@@ -212,6 +227,7 @@ func TestIntSet_Merge(t *testing.T) {
 func TestIntSet_Join(t *testing.T) {
 	gtest.C(t, func(t *gtest.T) {
 		s1 := gset.NewIntSet()
+		t.Assert(s1.Join(","), "")
 		s1.Add(1, 2, 3)
 		s3 := s1.Join(",")
 		t.Assert(strings.Contains(s3, "1"), true)
@@ -230,6 +246,8 @@ func TestIntSet_String(t *testing.T) {
 		t.Assert(strings.Contains(s3, "1"), true)
 		t.Assert(strings.Contains(s3, "2"), true)
 		t.Assert(strings.Contains(s3, "3"), true)
+		s1 = nil
+		t.Assert(s1.String(), "")
 	})
 }
 
@@ -248,6 +266,7 @@ func TestIntSet_Sum(t *testing.T) {
 func TestIntSet_Pop(t *testing.T) {
 	gtest.C(t, func(t *gtest.T) {
 		s := gset.NewIntSet()
+		t.Assert(s.Pop(), 0)
 		s.Add(4, 2, 3)
 		t.Assert(s.Size(), 3)
 		t.AssertIN(s.Pop(), []int{4, 2, 3})
@@ -291,6 +310,10 @@ func TestIntSet_AddIfNotExist(t *testing.T) {
 		t.Assert(s.AddIfNotExist(2), false)
 		t.Assert(s.Contains(2), true)
 	})
+	gtest.C(t, func(t *gtest.T) {
+		s := gset.IntSet{}
+		t.Assert(s.AddIfNotExist(1), true)
+	})
 }
 
 func TestIntSet_AddIfNotExistFunc(t *testing.T) {
@@ -321,6 +344,10 @@ func TestIntSet_AddIfNotExistFunc(t *testing.T) {
 		s.Add(1)
 		wg.Wait()
 	})
+	gtest.C(t, func(t *gtest.T) {
+		s := gset.IntSet{}
+		t.Assert(s.AddIfNotExistFunc(1, func() bool { return true }), true)
+	})
 }
 
 func TestIntSet_AddIfNotExistFuncLock(t *testing.T) {
@@ -346,6 +373,10 @@ func TestIntSet_AddIfNotExistFuncLock(t *testing.T) {
 		}()
 		wg.Wait()
 	})
+	gtest.C(t, func(t *gtest.T) {
+		s := gset.IntSet{}
+		t.Assert(s.AddIfNotExistFuncLock(1, func() bool { return true }), true)
+	})
 }
 
 func TestIntSet_Json(t *testing.T) {
@@ -426,3 +457,18 @@ func TestIntSet_UnmarshalValue(t *testing.T) {
 		t.Assert(v.Set.Contains(4), false)
 	})
 }
+
+func TestIntSet_DeepCopy(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		set := gset.NewIntSet()
+		set.Add(1, 2, 3)
+
+		copySet := set.DeepCopy().(*gset.IntSet)
+		copySet.Add(4)
+		t.AssertNE(set.Size(), copySet.Size())
+		t.AssertNE(set.String(), copySet.String())
+
+		set = nil
+		t.AssertNil(set.DeepCopy())
+	})
+}

container/gset/gset_z_unit_str_test.go

@@ -69,6 +69,7 @@ func TestStrSet_ContainsI(t *testing.T) {
 		t.Assert(s.Contains("A"), false)
 		t.Assert(s.Contains("a"), true)
 		t.Assert(s.ContainsI("A"), true)
+		t.Assert(s.ContainsI("d"), false)
 	})
 }
 
@@ -116,11 +117,16 @@ func TestStrSet_Equal(t *testing.T) {
 		s1 := gset.NewStrSet()
 		s2 := gset.NewStrSet()
 		s3 := gset.NewStrSet()
+		s4 := gset.NewStrSet()
 		s1.Add("1", "2", "3")
 		s2.Add("1", "2", "3")
 		s3.Add("1", "2", "3", "4")
+		s4.Add("4", "5", "6")
 		t.Assert(s1.Equal(s2), true)
 		t.Assert(s1.Equal(s3), false)
+		t.Assert(s1.Equal(s4), false)
+		s5 := s1
+		t.Assert(s1.Equal(s5), true)
 	})
 }
 
@@ -137,6 +143,9 @@ func TestStrSet_IsSubsetOf(t *testing.T) {
 		t.Assert(s1.IsSubsetOf(s3), true)
 		t.Assert(s2.IsSubsetOf(s1), false)
 		t.Assert(s3.IsSubsetOf(s2), false)
+
+		s4 := s1
+		t.Assert(s1.IsSubsetOf(s4), true)
 	})
 }
 
@@ -165,6 +174,13 @@ func TestStrSet_Diff(t *testing.T) {
 		t.Assert(s3.Contains("2"), true)
 		t.Assert(s3.Contains("3"), false)
 		t.Assert(s3.Contains("4"), false)
+
+		s4 := s1
+		s5 := s1.Diff(s2, s4)
+		t.Assert(s5.Contains("1"), true)
+		t.Assert(s5.Contains("2"), true)
+		t.Assert(s5.Contains("3"), false)
+		t.Assert(s5.Contains("4"), false)
 	})
 }
 
@@ -239,6 +255,7 @@ func TestStrSet_Join(t *testing.T) {
 
 	gtest.C(t, func(t *gtest.T) {
 		s1 := gset.NewStrSet()
+		t.Assert(s1.Join(","), "")
 		s1.Add("a", `"b"`, `\c`)
 		str1 := s1.Join(",")
 		t.Assert(strings.Contains(str1, `"b"`), true)
@@ -253,6 +270,8 @@ func TestStrSet_String(t *testing.T) {
 		str1 := s1.String()
 		t.Assert(strings.Contains(str1, "b"), true)
 		t.Assert(strings.Contains(str1, "d"), false)
+		s1 = nil
+		t.Assert(s1.String(), "")
 	})
 
 	gtest.C(t, func(t *gtest.T) {
@@ -300,6 +319,9 @@ func TestStrSet_Pop(t *testing.T) {
 		t.Assert(s.Size(), 3)
 		t.AssertIN(s.Pop(), a)
 		t.Assert(s.Size(), 2)
+
+		s1 := gset.StrSet{}
+		t.Assert(s1.Pop(), "")
 	})
 }
 
@@ -337,6 +359,10 @@ func TestStrSet_AddIfNotExist(t *testing.T) {
 		t.Assert(s.AddIfNotExist("2"), false)
 		t.Assert(s.Contains("2"), true)
 	})
+	gtest.C(t, func(t *gtest.T) {
+		s := gset.StrSet{}
+		t.Assert(s.AddIfNotExist("1"), true)
+	})
 }
 
 func TestStrSet_AddIfNotExistFunc(t *testing.T) {
@@ -367,6 +393,10 @@ func TestStrSet_AddIfNotExistFunc(t *testing.T) {
 		s.Add("1")
 		wg.Wait()
 	})
+	gtest.C(t, func(t *gtest.T) {
+		s := gset.StrSet{}
+		t.Assert(s.AddIfNotExistFunc("1", func() bool { return true }), true)
+	})
 }
 
 func TestStrSet_AddIfNotExistFuncLock(t *testing.T) {
@@ -392,6 +422,10 @@ func TestStrSet_AddIfNotExistFuncLock(t *testing.T) {
 		}()
 		wg.Wait()
 	})
+	gtest.C(t, func(t *gtest.T) {
+		s := gset.StrSet{}
+		t.Assert(s.AddIfNotExistFuncLock("1", func() bool { return true }), true)
+	})
 }
 
 func TestStrSet_Json(t *testing.T) {
@@ -477,3 +511,18 @@ func TestStrSet_UnmarshalValue(t *testing.T) {
 		t.Assert(v.Set.Contains("4"), false)
 	})
 }
+
+func TestStrSet_DeepCopy(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		set := gset.NewStrSet()
+		set.Add("1", "2", "3")
+
+		copySet := set.DeepCopy().(*gset.StrSet)
+		copySet.Add("4")
+		t.AssertNE(set.Size(), copySet.Size())
+		t.AssertNE(set.String(), copySet.String())
+
+		set = nil
+		t.AssertNil(set.DeepCopy())
+	})
+}

container/gtype/gtype_bool.go

@@ -99,5 +99,8 @@ func (v *Bool) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Bool) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	return NewBool(v.Val())
 }

container/gtype/gtype_byte.go

@@ -78,5 +78,8 @@ func (v *Byte) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Byte) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	return NewByte(v.Val())
 }

container/gtype/gtype_bytes.go

@@ -86,6 +86,9 @@ func (v *Bytes) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Bytes) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	oldBytes := v.Val()
 	newBytes := make([]byte, len(oldBytes))
 	copy(newBytes, oldBytes)

container/gtype/gtype_float32.go

@@ -90,5 +90,8 @@ func (v *Float32) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Float32) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	return NewFloat32(v.Val())
 }

container/gtype/gtype_float64.go

@@ -90,5 +90,8 @@ func (v *Float64) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Float64) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	return NewFloat64(v.Val())
 }

container/gtype/gtype_int.go

@@ -78,5 +78,8 @@ func (v *Int) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Int) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	return NewInt(v.Val())
 }

container/gtype/gtype_int32.go

@@ -78,5 +78,8 @@ func (v *Int32) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Int32) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	return NewInt32(v.Val())
 }

container/gtype/gtype_int64.go

@@ -78,5 +78,8 @@ func (v *Int64) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Int64) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	return NewInt64(v.Val())
 }

container/gtype/gtype_interface.go

@@ -75,5 +75,8 @@ func (v *Interface) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Interface) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	return NewInterface(deepcopy.Copy(v.Val()))
 }

container/gtype/gtype_string.go

@@ -8,8 +8,9 @@ package gtype
 
 import (
 	"bytes"
-	"github.com/gogf/gf/v2/util/gconv"
 	"sync/atomic"
+
+	"github.com/gogf/gf/v2/util/gconv"
 )
 
 // String is a struct for concurrent-safe operation for type string.
@@ -69,3 +70,11 @@ func (v *String) UnmarshalValue(value interface{}) error {
 	v.Set(gconv.String(value))
 	return nil
 }
+
+// DeepCopy implements interface for deep copy of current type.
+func (v *String) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
+	return NewString(v.Val())
+}

container/gtype/gtype_uint.go

@@ -78,5 +78,8 @@ func (v *Uint) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Uint) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	return NewUint(v.Val())
 }

container/gtype/gtype_uint32.go

@@ -78,5 +78,8 @@ func (v *Uint32) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Uint32) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	return NewUint32(v.Val())
 }

container/gtype/gtype_uint64.go

@@ -78,5 +78,8 @@ func (v *Uint64) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Uint64) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	return NewUint64(v.Val())
 }

container/gtype/gtype_z_unit_bool_test.go

@@ -27,7 +27,19 @@ func Test_Bool(t *testing.T) {
 		t.AssertEQ(iClone1.Set(true), false)
 		t.AssertEQ(iClone1.Val(), true)
 
-		// 空参测试
+		t.AssertEQ(iClone1.Cas(false, true), false)
+		t.AssertEQ(iClone1.String(), "true")
+		t.AssertEQ(iClone1.Cas(true, false), true)
+		t.AssertEQ(iClone1.String(), "false")
+
+		copyVal := i1.DeepCopy()
+		iClone.Set(true)
+		t.AssertNE(copyVal, iClone.Val())
+		iClone = nil
+		copyVal = iClone.DeepCopy()
+		t.AssertNil(copyVal)
+
+		// empty param test
 		i2 := gtype.NewBool()
 		t.AssertEQ(i2.Val(), false)
 	})

container/gtype/gtype_z_unit_byte_test.go

@@ -34,9 +34,21 @@ func Test_Byte(t *testing.T) {
 		wg.Wait()
 		t.AssertEQ(byte(addTimes), i.Val())
 
-		// 空参测试
+		// empty param test
 		i1 := gtype.NewByte()
 		t.AssertEQ(i1.Val(), byte(0))
+
+		i2 := gtype.NewByte(byte(64))
+		t.AssertEQ(i2.String(), "64")
+		t.AssertEQ(i2.Cas(byte(63), byte(65)), false)
+		t.AssertEQ(i2.Cas(byte(64), byte(65)), true)
+
+		copyVal := i2.DeepCopy()
+		i2.Set(byte(65))
+		t.AssertNE(copyVal, iClone.Val())
+		i2 = nil
+		copyVal = i2.DeepCopy()
+		t.AssertNil(copyVal)
 	})
 }
 

container/gtype/gtype_z_unit_bytes_test.go

@@ -22,9 +22,19 @@ func Test_Bytes(t *testing.T) {
 		t.AssertEQ(iClone.Set([]byte("123")), []byte("abc"))
 		t.AssertEQ(iClone.Val(), []byte("123"))
 
-		// 空参测试
+		// empty param test
 		i1 := gtype.NewBytes()
 		t.AssertEQ(i1.Val(), nil)
+
+		i2 := gtype.NewBytes([]byte("abc"))
+		t.Assert(i2.String(), "abc")
+
+		copyVal := i2.DeepCopy()
+		i2.Set([]byte("def"))
+		t.AssertNE(copyVal, iClone.Val())
+		i2 = nil
+		copyVal = i2.DeepCopy()
+		t.AssertNil(copyVal)
 	})
 }
 

container/gtype/gtype_z_unit_float32_test.go

@@ -23,9 +23,22 @@ func Test_Float32(t *testing.T) {
 		t.AssertEQ(iClone.Set(0.1), float32(0))
 		t.AssertEQ(iClone.Val(), float32(0.1))
 
-		// 空参测试
+		// empty param test
 		i1 := gtype.NewFloat32()
 		t.AssertEQ(i1.Val(), float32(0))
+
+		i2 := gtype.NewFloat32(1.23)
+		t.AssertEQ(i2.Add(3.21), float32(4.44))
+		t.AssertEQ(i2.Cas(4.45, 5.55), false)
+		t.AssertEQ(i2.Cas(4.44, 5.55), true)
+		t.AssertEQ(i2.String(), "5.55")
+
+		copyVal := i2.DeepCopy()
+		i2.Set(float32(6.66))
+		t.AssertNE(copyVal, iClone.Val())
+		i2 = nil
+		copyVal = i2.DeepCopy()
+		t.AssertNil(copyVal)
 	})
 }
 

container/gtype/gtype_z_unit_float64_test.go

@@ -22,9 +22,22 @@ func Test_Float64(t *testing.T) {
 		iClone := i.Clone()
 		t.AssertEQ(iClone.Set(0.1), float64(0))
 		t.AssertEQ(iClone.Val(), float64(0.1))
-		// 空参测试
+		// empty param test
 		i1 := gtype.NewFloat64()
 		t.AssertEQ(i1.Val(), float64(0))
+
+		i2 := gtype.NewFloat64(1.1)
+		t.AssertEQ(i2.Add(3.3), 4.4)
+		t.AssertEQ(i2.Cas(4.5, 5.5), false)
+		t.AssertEQ(i2.Cas(4.4, 5.5), true)
+		t.AssertEQ(i2.String(), "5.5")
+
+		copyVal := i2.DeepCopy()
+		i2.Set(6.6)
+		t.AssertNE(copyVal, iClone.Val())
+		i2 = nil
+		copyVal = i2.DeepCopy()
+		t.AssertNil(copyVal)
 	})
 }
 

container/gtype/gtype_z_unit_int32_test.go

@@ -35,9 +35,22 @@ func Test_Int32(t *testing.T) {
 		wg.Wait()
 		t.AssertEQ(int32(addTimes), i.Val())
 
-		// 空参测试
+		// empty param test
 		i1 := gtype.NewInt32()
 		t.AssertEQ(i1.Val(), int32(0))
+
+		i2 := gtype.NewInt32(11)
+		t.AssertEQ(i2.Add(1), int32(12))
+		t.AssertEQ(i2.Cas(11, 13), false)
+		t.AssertEQ(i2.Cas(12, 13), true)
+		t.AssertEQ(i2.String(), "13")
+
+		copyVal := i2.DeepCopy()
+		i2.Set(14)
+		t.AssertNE(copyVal, iClone.Val())
+		i2 = nil
+		copyVal = i2.DeepCopy()
+		t.AssertNil(copyVal)
 	})
 }
 

container/gtype/gtype_z_unit_int64_test.go

@@ -35,9 +35,22 @@ func Test_Int64(t *testing.T) {
 		wg.Wait()
 		t.AssertEQ(int64(addTimes), i.Val())
 
-		// 空参测试
+		// empty param test
 		i1 := gtype.NewInt64()
 		t.AssertEQ(i1.Val(), int64(0))
+
+		i2 := gtype.NewInt64(11)
+		t.AssertEQ(i2.Add(1), int64(12))
+		t.AssertEQ(i2.Cas(11, 13), false)
+		t.AssertEQ(i2.Cas(12, 13), true)
+		t.AssertEQ(i2.String(), "13")
+
+		copyVal := i2.DeepCopy()
+		i2.Set(14)
+		t.AssertNE(copyVal, iClone.Val())
+		i2 = nil
+		copyVal = i2.DeepCopy()
+		t.AssertNil(copyVal)
 	})
 }
 

container/gtype/gtype_z_unit_int_test.go

@@ -34,9 +34,22 @@ func Test_Int(t *testing.T) {
 		wg.Wait()
 		t.AssertEQ(addTimes, i.Val())
 
-		// 空参测试
+		// empty param test
 		i1 := gtype.NewInt()
 		t.AssertEQ(i1.Val(), 0)
+
+		i2 := gtype.NewInt(11)
+		t.AssertEQ(i2.Add(1), 12)
+		t.AssertEQ(i2.Cas(11, 13), false)
+		t.AssertEQ(i2.Cas(12, 13), true)
+		t.AssertEQ(i2.String(), "13")
+
+		copyVal := i2.DeepCopy()
+		i2.Set(14)
+		t.AssertNE(copyVal, iClone.Val())
+		i2 = nil
+		copyVal = i2.DeepCopy()
+		t.AssertNil(copyVal)
 	})
 }
 

container/gtype/gtype_z_unit_interface_test.go

@@ -24,9 +24,18 @@ func Test_Interface(t *testing.T) {
 		t.AssertEQ(iClone.Set(t2), t1)
 		t.AssertEQ(iClone.Val().(Temp), t2)
 
-		// 空参测试
+		// empty param test
 		i1 := gtype.New()
 		t.AssertEQ(i1.Val(), nil)
+
+		i2 := gtype.New("gf")
+		t.AssertEQ(i2.String(), "gf")
+		copyVal := i2.DeepCopy()
+		i2.Set("goframe")
+		t.AssertNE(copyVal, iClone.Val())
+		i2 = nil
+		copyVal = i2.DeepCopy()
+		t.AssertNil(copyVal)
 	})
 }
 

container/gtype/gtype_z_unit_string_test.go

@@ -21,8 +21,15 @@ func Test_String(t *testing.T) {
 		iClone := i.Clone()
 		t.AssertEQ(iClone.Set("123"), "abc")
 		t.AssertEQ(iClone.Val(), "123")
-
-		// 空参测试
+		t.AssertEQ(iClone.String(), "123")
+		//
+		copyVal := iClone.DeepCopy()
+		iClone.Set("124")
+		t.AssertNE(copyVal, iClone.Val())
+		iClone = nil
+		copyVal = iClone.DeepCopy()
+		t.AssertNil(copyVal)
+		// empty param test
 		i1 := gtype.NewString()
 		t.AssertEQ(i1.Val(), "")
 	})

container/gtype/gtype_z_unit_uint32_test.go

@@ -35,9 +35,22 @@ func Test_Uint32(t *testing.T) {
 		wg.Wait()
 		t.AssertEQ(uint32(addTimes), i.Val())
 
-		// 空参测试
+		// empty param test
 		i1 := gtype.NewUint32()
 		t.AssertEQ(i1.Val(), uint32(0))
+
+		i2 := gtype.NewUint32(11)
+		t.AssertEQ(i2.Add(1), uint32(12))
+		t.AssertEQ(i2.Cas(11, 13), false)
+		t.AssertEQ(i2.Cas(12, 13), true)
+		t.AssertEQ(i2.String(), "13")
+
+		copyVal := i2.DeepCopy()
+		i2.Set(14)
+		t.AssertNE(copyVal, iClone.Val())
+		i2 = nil
+		copyVal = i2.DeepCopy()
+		t.AssertNil(copyVal)
 	})
 }
 

container/gtype/gtype_z_unit_uint64_test.go

@@ -40,9 +40,22 @@ func Test_Uint64(t *testing.T) {
 		wg.Wait()
 		t.AssertEQ(uint64(addTimes), i.Val())
 
-		// 空参测试
+		// empty param test
 		i1 := gtype.NewUint64()
 		t.AssertEQ(i1.Val(), uint64(0))
+
+		i2 := gtype.NewUint64(11)
+		t.AssertEQ(i2.Add(1), uint64(12))
+		t.AssertEQ(i2.Cas(11, 13), false)
+		t.AssertEQ(i2.Cas(12, 13), true)
+		t.AssertEQ(i2.String(), "13")
+
+		copyVal := i2.DeepCopy()
+		i2.Set(14)
+		t.AssertNE(copyVal, iClone.Val())
+		i2 = nil
+		copyVal = i2.DeepCopy()
+		t.AssertNil(copyVal)
 	})
 }
 func Test_Uint64_JSON(t *testing.T) {

container/gtype/gtype_z_unit_uint_test.go

@@ -34,9 +34,22 @@ func Test_Uint(t *testing.T) {
 		wg.Wait()
 		t.AssertEQ(uint(addTimes), i.Val())
 
-		// 空参测试
+		// empty param test
 		i1 := gtype.NewUint()
 		t.AssertEQ(i1.Val(), uint(0))
+
+		i2 := gtype.NewUint(11)
+		t.AssertEQ(i2.Add(1), uint(12))
+		t.AssertEQ(i2.Cas(11, 13), false)
+		t.AssertEQ(i2.Cas(12, 13), true)
+		t.AssertEQ(i2.String(), "13")
+
+		copyVal := i2.DeepCopy()
+		i2.Set(14)
+		t.AssertNE(copyVal, iClone.Val())
+		i2 = nil
+		copyVal = i2.DeepCopy()
+		t.AssertNil(copyVal)
 	})
 }
 

container/gvar/gvar.go

@@ -198,5 +198,8 @@ func (v *Var) UnmarshalValue(value interface{}) error {
 
 // DeepCopy implements interface for deep copy of current type.
 func (v *Var) DeepCopy() interface{} {
+	if v == nil {
+		return nil
+	}
 	return New(deepcopy.Copy(v.Val()), v.safe)
 }

container/gvar/gvar_z_example_test.go

@@ -12,7 +12,6 @@ import (
 	"github.com/gogf/gf/v2/container/gvar"
 	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/internal/json"
-	"github.com/gogf/gf/v2/util/gconv"
 )
 
 // New
@@ -647,14 +646,18 @@ func ExampleVar_MapStrVarDeep() {
 	var (
 		m1 = g.Map{"id": 1, "price": 100}
 		m2 = g.Map{"product": m1}
+		m3 = g.Map{}
 		v  = gvar.New(m2)
 		v2 = v.MapStrVarDeep()
+		v3 = gvar.New(m3).MapStrVarDeep()
 	)
 
 	fmt.Println(v2["product"])
+	fmt.Println(v3)
 
 	// Output:
 	// {"id":1,"price":100}
+	// map[]
 }
 
 // Maps
@@ -718,21 +721,23 @@ func ExampleVar_MapToMaps() {
 	// []map[string]string{map[string]string{"product":"{\"id\":1,\"price\":100}"}, map[string]string{"product":"{\"id\":2,\"price\":200}"}}
 }
 
-// MapToMapDeep
-func ExampleVar_MapToMapDeep() {
+// MapToMapsDeep
+func ExampleVar_MapToMapsDeep() {
 	var (
-		p1 = gvar.New(g.MapStrAny{"product": g.Map{"id": 1, "price": 100}})
-		p2 = g.MapStrAny{}
+		p1 = g.MapStrAny{"product": g.Map{"id": 1, "price": 100}}
+		p2 = g.MapStrAny{"product": g.Map{"id": 2, "price": 200}}
+		v  = gvar.New(g.ListStrAny{p1, p2})
+		v2 []g.MapStrStr
 	)
 
-	err := p1.MapToMap(&p2)
+	err := v.MapToMapsDeep(&v2)
 	if err != nil {
 		panic(err)
 	}
-	fmt.Printf("%#v", p2)
+	fmt.Printf("%#v", v2)
 
 	// Output:
-	// map[string]interface {}{"product":map[string]interface {}{"id":1, "price":100}}
+	// []map[string]string{map[string]string{"product":"{\"id\":1,\"price\":100}"}, map[string]string{"product":"{\"id\":2,\"price\":200}"}}
 }
 
 // Scan
@@ -750,12 +755,11 @@ func ExampleVar_Scan() {
 			"Scores": []int{100, 99, 98},
 		}
 	)
-	if err := gconv.Scan(m, &s); err != nil {
-		panic(err)
+	v := gvar.New(m)
+	if err := v.Scan(&s); err == nil {
+		g.DumpWithType(s)
 	}
 
-	g.DumpWithType(s)
-
 	// Output:
 	// gvar_test.Student(3) {
 	//     Id:     *gvar.Var(1) "1",

container/gvar/gvar_z_unit_basic_test.go

@@ -50,6 +50,9 @@ func Test_Val(t *testing.T) {
 		objTwo := gvar.New(1, false)
 		objTwoOld, _ := objTwo.Val().(int)
 		t.Assert(objTwoOld, 1)
+
+		objOne = nil
+		t.Assert(objOne.Val(), nil)
 	})
 }
 func Test_Interface(t *testing.T) {
@@ -328,3 +331,22 @@ func Test_Copy(t *testing.T) {
 		})
 	})
 }
+
+func Test_DeepCopy(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		src := g.Map{
+			"k1": "v1",
+			"k2": "v2",
+		}
+		srcVar := gvar.New(src)
+		copyVar := srcVar.DeepCopy().(*gvar.Var)
+		copyVar.Set(g.Map{
+			"k3": "v3",
+			"k4": "v4",
+		})
+		t.AssertNE(srcVar, copyVar)
+
+		srcVar = nil
+		t.AssertNil(srcVar.DeepCopy())
+	})
+}

container/gvar/gvar_z_unit_map_test.go

@@ -80,3 +80,17 @@ func TestVar_MapToMap(t *testing.T) {
 		t.Assert(m2["k2"], m1["k2"])
 	})
 }
+
+func TestVar_MapStrVar(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		m := g.Map{
+			"k1": "v1",
+			"k2": "v2",
+		}
+		objOne := gvar.New(m, true)
+		t.Assert(objOne.MapStrVar(), "{\"k1\":\"v1\",\"k2\":\"v2\"}")
+
+		objEmpty := gvar.New(g.Map{})
+		t.Assert(objEmpty.MapStrVar(), "")
+	})
+}

container/gvar/gvar_z_unit_slice_test.go

@@ -108,5 +108,8 @@ func TestVar_Vars(t *testing.T) {
 		t.Assert(len(objOne.Vars()), 5)
 		t.Assert(objOne.Vars()[0].Int(), 1)
 		t.Assert(objOne.Vars()[4].Int(), 5)
+
+		objEmpty := gvar.New([]int{})
+		t.Assert(objEmpty.Vars(), nil)
 	})
 }

contrib/config/kubecm/README.MD

@@ -0,0 +1,152 @@
+# kubecm
+Package `kubecm` implements GoFrame `gcfg.Adapter` using kubernetes configmap.
+
+# Limit
+
+```go
+glang version >= v.18
+```
+
+# Installation
+```
+go get -u github.com/gogf/gf/contrib/config/kubecm/v2
+```
+
+# Example
+
+## Example configmap
+```yaml
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: test-configmap
+data:
+  config.yaml: |
+    # HTTP service.
+    server:
+      address:          ":8888"
+      openapiPath:      "/api.json"
+      swaggerPath:      "/swagger"
+      accessLogEnabled: true
+```
+
+Note the configmap name `test-configmap`, and its item name in data `config.yaml`.
+
+
+## Create a custom boot package
+
+It is strongly recommended creating a boot package, 
+which sets the Adapter of default configuration instance.
+
+### Running in pod (common scenario)
+```go
+package boot
+
+import (
+	"github.com/gogf/gf/contrib/config/kubecm/v2"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gctx"
+)
+
+const (
+	configmapName       = "test-configmap"
+	dataItemInConfigmap = "config.yaml"
+)
+
+func init() {
+	var (
+		err error
+		ctx = gctx.GetInitCtx()
+	)
+	// Create kubecm Client that implements gcfg.Adapter.
+	adapter, err := kubecm.New(gctx.GetInitCtx(), kubecm.Config{
+		ConfigMap: configmapName,
+		DataItem:  dataItemInConfigmap,
+	})
+	if err != nil {
+		g.Log().Fatalf(ctx, `%+v`, err)
+	}
+
+	// Change the adapter of default configuration instance.
+	g.Cfg().SetAdapter(adapter)
+}
+```
+
+### Running out of pod (often testing scenario)
+```go
+package boot
+
+import (
+	"github.com/gogf/gf/contrib/config/kubecm/v2"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gctx"
+	"k8s.io/client-go/kubernetes"
+)
+
+const (
+	namespace              = "default"
+	configmapName          = "test-configmap"
+	dataItemInConfigmap    = "config.yaml"
+	kubeConfigFilePathJohn = `/Users/john/.kube/config`
+)
+
+func init() {
+	var (
+		err        error
+		ctx        = gctx.GetInitCtx()
+		kubeClient *kubernetes.Clientset
+	)
+	// Create kubernetes client.
+	// It is optional creating kube client when its is running in pod.
+	kubeClient, err = kubecm.NewKubeClientFromPath(ctx, kubeConfigFilePathJohn)
+	if err != nil {
+		g.Log().Fatalf(ctx, `%+v`, err)
+	}
+	// Create kubecm Client that implements gcfg.Adapter.
+	adapter, err := kubecm.New(gctx.GetInitCtx(), kubecm.Config{
+		ConfigMap:  configmapName,
+		DataItem:   dataItemInConfigmap,
+		Namespace:  namespace,  // It is optional specifying namespace when its is running in pod.
+		KubeClient: kubeClient, // It is optional specifying kube client when its is running in pod.
+	})
+	if err != nil {
+		g.Log().Fatalf(ctx, `%+v`, err)
+	}
+
+	// Change the adapter of default configuration instance.
+	g.Cfg().SetAdapter(adapter)
+
+}
+```
+
+## Import boot package in top of main
+
+It is strongly recommended import your boot package in top of your `main.go`.
+
+Note the top `import`: `_ "github.com/gogf/gf/example/config/kubecm/boot_in_pod"` .
+
+```go
+package main
+
+import (
+	_ "github.com/gogf/gf/example/config/kubecm/boot_in_pod"
+
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gctx"
+)
+
+func main() {
+	var ctx = gctx.GetInitCtx()
+
+	// Available checks.
+	g.Dump(g.Cfg().Available(ctx))
+
+	// All key-value configurations.
+	g.Dump(g.Cfg().Data(ctx))
+
+	// Retrieve certain value by key.
+	g.Dump(g.Cfg().MustGet(ctx, "server.address"))
+}
+
+```
+

contrib/config/kubecm/go.mod

@@ -0,0 +1,70 @@
+module github.com/gogf/gf/contrib/config/kubecm/v2
+
+go 1.18
+
+require (
+	github.com/gogf/gf/v2 v2.0.0
+	k8s.io/api v0.25.2
+	k8s.io/apimachinery v0.25.2
+	k8s.io/client-go v0.25.2
+)
+
+require (
+	github.com/BurntSushi/toml v1.1.0 // indirect
+	github.com/PuerkitoBio/purell v1.1.1 // indirect
+	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/clbanning/mxj/v2 v2.5.5 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/emicklei/go-restful/v3 v3.8.0 // indirect
+	github.com/fatih/color v1.13.0 // indirect
+	github.com/fsnotify/fsnotify v1.5.4 // indirect
+	github.com/go-logr/logr v1.2.3 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-openapi/jsonpointer v0.19.5 // indirect
+	github.com/go-openapi/jsonreference v0.19.5 // indirect
+	github.com/go-openapi/swag v0.19.14 // indirect
+	github.com/go-redis/redis/v8 v8.11.5 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/gnostic v0.5.7-v3refs // indirect
+	github.com/google/gofuzz v1.1.0 // indirect
+	github.com/gorilla/websocket v1.5.0 // indirect
+	github.com/grokify/html-strip-tags-go v0.0.1 // indirect
+	github.com/imdario/mergo v0.3.6 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/magiconair/properties v1.8.6 // indirect
+	github.com/mailru/easyjson v0.7.6 // indirect
+	github.com/mattn/go-colorable v0.1.9 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/mattn/go-runewidth v0.0.9 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	go.opentelemetry.io/otel v1.7.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.7.0 // indirect
+	go.opentelemetry.io/otel/trace v1.7.0 // indirect
+	golang.org/x/net v0.0.0-20220722155237-a158d28d115b // indirect
+	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8 // indirect
+	golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f // indirect
+	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
+	golang.org/x/text v0.3.8-0.20211105212822-18b340fc7af2 // indirect
+	golang.org/x/time v0.0.0-20220210224613-90d013bbcef8 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	k8s.io/klog/v2 v2.70.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20220803162953-67bda5d908f1 // indirect
+	k8s.io/utils v0.0.0-20220728103510-ee6ede2d64ed // indirect
+	sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
+	sigs.k8s.io/yaml v1.2.0 // indirect
+)
+
+replace github.com/gogf/gf/v2 => ../../../

contrib/config/kubecm/go.sum

@@ -0,0 +1,569 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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+k8s.io/kube-openapi v0.0.0-20220803162953-67bda5d908f1 h1:MQ8BAZPZlWk3S9K4a9NCkIFQtZShWqoha7snGixVgEA=
+k8s.io/kube-openapi v0.0.0-20220803162953-67bda5d908f1/go.mod h1:C/N6wCaBHeBHkHUesQOQy2/MZqGgMAFPqGsGQLdbZBU=
+k8s.io/utils v0.0.0-20220728103510-ee6ede2d64ed h1:jAne/RjBTyawwAy0utX5eqigAwz/lQhTmy+Hr/Cpue4=
+k8s.io/utils v0.0.0-20220728103510-ee6ede2d64ed/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 h1:iXTIw73aPyC+oRdyqqvVJuloN1p0AC/kzH07hu3NE+k=
+sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
+sigs.k8s.io/structured-merge-diff/v4 v4.2.3 h1:PRbqxJClWWYMNV1dhaG4NsibJbArud9kFxnAMREiWFE=
+sigs.k8s.io/structured-merge-diff/v4 v4.2.3/go.mod h1:qjx8mGObPmV2aSZepjQjbmb2ihdVs8cGKBraizNC69E=
+sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
+sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

contrib/config/kubecm/kubecm.go

@@ -0,0 +1,132 @@
+// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+// Package kubecm implements gcfg.Adapter using kubernetes configmap.
+package kubecm
+
+import (
+	"context"
+
+	kubeMetaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/rest"
+
+	"github.com/gogf/gf/v2/encoding/gjson"
+	"github.com/gogf/gf/v2/errors/gerror"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gcfg"
+	"github.com/gogf/gf/v2/util/gutil"
+)
+
+// Client implements gcfg.Adapter.
+type Client struct {
+	Config        // Config object when created.
+	value  *g.Var // Configmap content cached. It is `*gjson.Json` value internally.
+}
+
+// Config for Client.
+type Config struct {
+	ConfigMap  string                `v:"required"` // ConfigMap name.
+	DataItem   string                `v:"required"` // DataItem is the key item in Configmap data.
+	Namespace  string                // (Optional) Specify the namespace for configmap.
+	RestConfig *rest.Config          // (Optional) Custom rest config for kube client.
+	KubeClient *kubernetes.Clientset // (Optional) Custom kube client.
+}
+
+// New creates and returns gcfg.Adapter implementing using kubernetes configmap.
+func New(ctx context.Context, config Config) (adapter gcfg.Adapter, err error) {
+	// Data validation.
+	err = g.Validator().Data(config).Run(ctx)
+	if err != nil {
+		return nil, err
+	}
+	// Kubernetes client creating.
+	if config.KubeClient == nil {
+		if config.RestConfig == nil {
+			config.RestConfig, err = NewDefaultKubeConfig(ctx)
+			if err != nil {
+				return nil, gerror.Wrapf(err, `create kube config failed`)
+			}
+		}
+		config.KubeClient, err = kubernetes.NewForConfig(config.RestConfig)
+		if err != nil {
+			return nil, gerror.Wrapf(err, `create kube client failed`)
+		}
+	}
+	adapter = &Client{
+		Config: config,
+		value:  g.NewVar(nil, true),
+	}
+	return
+}
+
+// Available checks and returns the backend configuration service is available.
+// The optional parameter `resource` specifies certain configuration resource.
+//
+// Note that this function does not return error as it just does simply check for
+// backend configuration service.
+func (c *Client) Available(ctx context.Context, configMap ...string) (ok bool) {
+	err := c.init(ctx, configMap...)
+	return err == nil
+}
+
+// Get retrieves and returns value by specified `pattern` in current resource.
+// Pattern like:
+// "x.y.z" for map item.
+// "x.0.y" for slice item.
+func (c *Client) Get(ctx context.Context, pattern string) (value interface{}, err error) {
+	if c.value.IsNil() {
+		if err = c.init(ctx); err != nil {
+			return nil, err
+		}
+	}
+	return c.value.Val().(*gjson.Json).Get(pattern).Val(), nil
+}
+
+// Data retrieves and returns all configuration data in current resource as map.
+// Note that this function may lead lots of memory usage if configuration data is too large,
+// you can implement this function if necessary.
+func (c *Client) Data(ctx context.Context) (data map[string]interface{}, err error) {
+	if c.value.IsNil() {
+		if err = c.init(ctx); err != nil {
+			return nil, err
+		}
+	}
+	return c.value.Val().(*gjson.Json).Map(), nil
+}
+
+// init retrieves and caches the configmap content.
+func (c *Client) init(ctx context.Context, configMap ...string) (err error) {
+	var (
+		namespace     = gutil.GetOrDefaultStr(Namespace(), c.Namespace)
+		configMapName = gutil.GetOrDefaultStr(c.ConfigMap, configMap...)
+	)
+	cm, err := c.KubeClient.CoreV1().ConfigMaps(namespace).Get(ctx, configMapName, kubeMetaV1.GetOptions{})
+	if err != nil {
+		return gerror.Wrapf(
+			err,
+			`retrieve configmap "%s" from namespace "%s" failed`,
+			configMapName, namespace,
+		)
+	}
+	if c.value.IsNil() {
+		var j *gjson.Json
+		if c.DataItem != "" {
+			j, err = gjson.LoadContent(cm.Data[c.DataItem])
+			if err != nil {
+				return gerror.Wrapf(
+					err,
+					`parse config map item from %s[%s] failed`, configMapName, c.DataItem,
+				)
+			}
+			c.value.Set(j)
+		} else {
+			j = gjson.New(cm.Data)
+			c.value.Set(j)
+		}
+	}
+	return nil
+}

contrib/config/kubecm/kubecm_kube.go

@@ -0,0 +1,64 @@
+// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package kubecm
+
+import (
+	"context"
+
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/clientcmd"
+
+	"github.com/gogf/gf/v2/os/gfile"
+)
+
+const (
+	defaultKubernetesUserAgent  = `kubecm.Client`
+	kubernetesNamespaceFilePath = `/var/run/secrets/kubernetes.io/serviceaccount/namespace`
+)
+
+// Namespace retrieves and returns the namespace of current pod.
+// Note that this function should be called in kubernetes pod.
+func Namespace() string {
+	return gfile.GetContents(kubernetesNamespaceFilePath)
+}
+
+// NewDefaultKubeClient creates and returns a default kubernetes client.
+// It is commonly used when the service is running inside kubernetes cluster.
+func NewDefaultKubeClient(ctx context.Context) (*kubernetes.Clientset, error) {
+	return NewKubeClientFromPath(ctx, "")
+}
+
+// NewKubeClientFromPath creates and returns a kubernetes REST client by given `kubeConfigFilePath`.
+func NewKubeClientFromPath(ctx context.Context, kubeConfigFilePath string) (*kubernetes.Clientset, error) {
+	restConfig, err := NewKubeConfigFromPath(ctx, kubeConfigFilePath)
+	if err != nil {
+		return nil, err
+	}
+	return kubernetes.NewForConfig(restConfig)
+}
+
+// NewKubeClientFromConfig creates and returns client by given `rest.Config`.
+func NewKubeClientFromConfig(ctx context.Context, config *rest.Config) (*kubernetes.Clientset, error) {
+	return kubernetes.NewForConfig(config)
+}
+
+// NewDefaultKubeConfig creates and returns a default kubernetes config.
+// It is commonly used when the service is running inside kubernetes cluster.
+func NewDefaultKubeConfig(ctx context.Context) (*rest.Config, error) {
+	return NewKubeConfigFromPath(ctx, "")
+}
+
+// NewKubeConfigFromPath creates and returns rest.Config object from given `kubeConfigFilePath`.
+func NewKubeConfigFromPath(ctx context.Context, kubeConfigFilePath string) (*rest.Config, error) {
+	restConfig, err := clientcmd.BuildConfigFromFlags("", kubeConfigFilePath)
+	if err != nil {
+		return nil, err
+	}
+	restConfig.UserAgent = defaultKubernetesUserAgent
+	return restConfig, nil
+}

contrib/config/kubecm/kubecm_test.go

@@ -0,0 +1,111 @@
+// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package kubecm_test
+
+import (
+	"testing"
+
+	v1 "k8s.io/api/core/v1"
+	kubeMetaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+
+	"github.com/gogf/gf/contrib/config/kubecm/v2"
+	"github.com/gogf/gf/v2/encoding/gjson"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gctx"
+	"github.com/gogf/gf/v2/os/gfile"
+	"github.com/gogf/gf/v2/test/gtest"
+	"github.com/gogf/gf/v2/util/guid"
+)
+
+const (
+	namespace         = "default"
+	configmap         = "test-configmap"
+	dataItem          = "config.yaml"
+	configmapFileName = "configmap.yaml"
+)
+
+var (
+	ctx                    = gctx.New()
+	kubeConfigFilePath     = `/home/runner/.kube/config`
+	kubeConfigFilePathJohn = `/Users/john/.kube/config`
+)
+
+func init() {
+	if !gfile.Exists(kubeConfigFilePath) {
+		kubeConfigFilePath = kubeConfigFilePathJohn
+	}
+}
+
+func TestAvailable(t *testing.T) {
+	var (
+		err        error
+		kubeClient *kubernetes.Clientset
+	)
+	// Configmap apply.
+	gtest.C(t, func(t *gtest.T) {
+		kubeClient, err = kubecm.NewKubeClientFromPath(ctx, kubeConfigFilePath)
+		t.AssertNil(err)
+		var (
+			configMap v1.ConfigMap
+			content   = gtest.DataContent(configmapFileName)
+		)
+		err = gjson.New(content).Scan(&configMap)
+		t.AssertNil(err)
+		_, err = kubeClient.CoreV1().ConfigMaps(namespace).Create(
+			ctx, &configMap, kubeMetaV1.CreateOptions{},
+		)
+		t.AssertNil(err)
+	})
+	defer func() {
+		gtest.C(t, func(t *gtest.T) {
+			err = kubeClient.CoreV1().ConfigMaps(namespace).Delete(
+				ctx, configmap, kubeMetaV1.DeleteOptions{},
+			)
+			t.AssertNil(err)
+		})
+	}()
+
+	gtest.C(t, func(t *gtest.T) {
+		adapter, err := kubecm.New(ctx, kubecm.Config{
+			ConfigMap:  configmap,
+			DataItem:   dataItem,
+			Namespace:  namespace,
+			KubeClient: kubeClient,
+		})
+		t.AssertNil(err)
+
+		config := g.Cfg(guid.S())
+		config.SetAdapter(adapter)
+
+		t.Assert(config.Available(ctx), true)
+
+		m, err := config.Data(ctx)
+		t.AssertNil(err)
+		t.AssertGT(len(m), 0)
+
+		v, err := config.Get(ctx, "server.address")
+		t.AssertNil(err)
+		t.Assert(v.String(), ":8888")
+	})
+}
+
+func TestNewKubeClientFromConfig(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		config, _ := kubecm.NewKubeConfigFromPath(ctx, kubeConfigFilePath)
+		_, err := kubecm.NewKubeClientFromConfig(ctx, config)
+		t.AssertNil(err)
+	})
+}
+
+// These functions should be called in pod environment, but it has no environment in CI UT testing.
+// It so just calls them ,but does nothing.
+func TestDefaultBehaviorFunctions(t *testing.T) {
+	kubecm.Namespace()
+	kubecm.NewDefaultKubeClient(ctx)
+	kubecm.NewDefaultKubeConfig(ctx)
+}

contrib/config/kubecm/testdata/configmap.yaml

@@ -0,0 +1,29 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: test-configmap
+data:
+  config.yaml: |
+    # HTTP service.
+    server:
+      address:          ":8888"
+      openapiPath:      "/api.json"
+      swaggerPath:      "/swagger"
+      accessLogEnabled: true
+
+    # Database configuration.
+    database:
+      logger:
+        level:  "all"
+        stdout: true
+      user:
+        link:  "mysql:root:12345678@tcp(mysql.default:3306)/user?loc=Local&parseTime=true"
+        debug: true
+      order:
+        link:  "mysql:root:12345678@tcp(mysql.default:3306)/order?loc=Local&parseTime=true"
+        debug: true
+
+    # Logger configuration.
+    logger:
+      level : "all"
+      stdout: true

contrib/drivers/README.MD

@@ -77,6 +77,13 @@ Note:
 - It does not support `Transaction` feature.
 - It does not support `RowsAffected` feature.
 
+## DM
+```
+import _ "github.com/gogf/gf/contrib/drivers/dm/v2"
+```
+Note:
+- It does not support `Replace` features.
+- 
 # Custom Drivers
 
 It's quick and easy, please refer to current driver source. 

contrib/drivers/clickhouse/clickhouse.go

@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://github.com/gogf/gf.
 
-// Package clickhouse implements gdb.Driver, which supports operations for ClickHouse.
+// Package clickhouse implements gdb.Driver, which supports operations for database ClickHouse.
 package clickhouse
 
 import (
@@ -13,20 +13,22 @@ import (
 	"database/sql/driver"
 	"errors"
 	"fmt"
-	"github.com/ClickHouse/clickhouse-go/v2"
-	"github.com/gogf/gf/v2/container/gmap"
-	"github.com/gogf/gf/v2/database/gdb"
-	"github.com/gogf/gf/v2/errors/gcode"
-	"github.com/gogf/gf/v2/errors/gerror"
-	"github.com/gogf/gf/v2/os/gctx"
-	"github.com/gogf/gf/v2/os/gtime"
-	"github.com/gogf/gf/v2/text/gregex"
-	"github.com/gogf/gf/v2/text/gstr"
-	"github.com/gogf/gf/v2/util/gconv"
-	"github.com/google/uuid"
 	"net/url"
 	"strings"
 	"time"
+
+	"github.com/ClickHouse/clickhouse-go/v2"
+	"github.com/gogf/gf/v2/errors/gcode"
+	"github.com/gogf/gf/v2/errors/gerror"
+	"github.com/gogf/gf/v2/util/gutil"
+	"github.com/google/uuid"
+	"github.com/shopspring/decimal"
+
+	"github.com/gogf/gf/v2/database/gdb"
+	"github.com/gogf/gf/v2/os/gctx"
+	"github.com/gogf/gf/v2/os/gtime"
+	"github.com/gogf/gf/v2/text/gregex"
+	"github.com/gogf/gf/v2/util/gconv"
 )
 
 // Driver is the driver for postgresql database.
@@ -35,9 +37,6 @@ type Driver struct {
 }
 
 var (
-	// tableFieldsMap caches the table information retrieved from database.
-	tableFieldsMap = gmap.New(true)
-
 	errUnsupportedInsertIgnore = errors.New("unsupported method:InsertIgnore")
 	errUnsupportedInsertGetId  = errors.New("unsupported method:InsertGetId")
 	errUnsupportedReplace      = errors.New("unsupported method:Replace")
@@ -75,12 +74,16 @@ func (d *Driver) New(core *gdb.Core, node *gdb.ConfigNode) (gdb.DB, error) {
 }
 
 // Open creates and returns an underlying sql.DB object for clickhouse.
-func (d *Driver) Open(config *gdb.ConfigNode) (*sql.DB, error) {
+func (d *Driver) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {
+	source := config.Link
 	// clickhouse://username:password@host1:9000,host2:9000/database?dial_timeout=200ms&max_execution_time=60
 	if config.Link != "" {
+		// ============================================================================
+		// Deprecated from v2.2.0.
+		// ============================================================================
 		// Custom changing the schema in runtime.
 		if config.Name != "" {
-			config.Link, _ = gregex.ReplaceString(replaceSchemaPattern, "@$1/"+config.Name, config.Link)
+			source, _ = gregex.ReplaceString(replaceSchemaPattern, "@$1/"+config.Name, config.Link)
 		} else {
 			// If no schema, the link is matched for replacement
 			dbName, _ := gregex.MatchString(replaceSchemaPattern, config.Link)
@@ -88,21 +91,31 @@ func (d *Driver) Open(config *gdb.ConfigNode) (*sql.DB, error) {
 				config.Name = dbName[len(dbName)-1]
 			}
 		}
-	} else if config.Pass != "" {
-		config.Link = fmt.Sprintf(
-			"clickhouse://%s:%s@%s:%s/%s?charset=%s&debug=%t",
-			config.User, url.PathEscape(config.Pass), config.Host, config.Port, config.Name, config.Charset, config.Debug)
 	} else {
-		config.Link = fmt.Sprintf(
-			"clickhouse://%s@%s:%s/%s?charset=%s&debug=%t",
-			config.User, config.Host, config.Port, config.Name, config.Charset, config.Debug)
+		if config.Pass != "" {
+			source = fmt.Sprintf(
+				"clickhouse://%s:%s@%s:%s/%s?charset=%s&debug=%t",
+				config.User, url.PathEscape(config.Pass),
+				config.Host, config.Port, config.Name, config.Charset, config.Debug,
+			)
+		} else {
+			source = fmt.Sprintf(
+				"clickhouse://%s@%s:%s/%s?charset=%s&debug=%t",
+				config.User, config.Host, config.Port, config.Name, config.Charset, config.Debug,
+			)
+		}
+		if config.Extra != "" {
+			source = fmt.Sprintf("%s&%s", source, config.Extra)
+		}
 	}
-	db, err := sql.Open(driverName, config.Link)
-	if err != nil {
+	if db, err = sql.Open(driverName, source); err != nil {
+		err = gerror.WrapCodef(
+			gcode.CodeDbOperationError, err,
+			`sql.Open failed for driver "%s" by source "%s"`, driverName, source,
+		)
 		return nil, err
 	}
-
-	return db, nil
+	return
 }
 
 // Tables retrieves and returns the tables of current schema.
@@ -129,74 +142,48 @@ func (d *Driver) Tables(ctx context.Context, schema ...string) (tables []string,
 func (d *Driver) TableFields(
 	ctx context.Context, table string, schema ...string,
 ) (fields map[string]*gdb.TableField, err error) {
-	charL, charR := d.GetChars()
-	table = gstr.Trim(table, charL+charR)
-	if gstr.Contains(table, " ") {
-		return nil, gerror.NewCode(gcode.CodeInvalidParameter, "function TableFields supports only single table operations")
-	}
-	useSchema := d.GetSchema()
-	if len(schema) > 0 && schema[0] != "" {
-		useSchema = schema[0]
-	}
-	v := tableFieldsMap.GetOrSetFuncLock(
-		fmt.Sprintf(`clickhouse_table_fields_%s_%s@group:%s`, table, useSchema, d.GetGroup()),
-		func() interface{} {
-			var (
-				result gdb.Result
-				link   gdb.Link
-			)
-			if link, err = d.SlaveLink(useSchema); err != nil {
-				return nil
-			}
-			getColumnsSql := fmt.Sprintf("select name,position,default_expression,comment,type,is_in_partition_key,is_in_sorting_key,is_in_primary_key,is_in_sampling_key from `system`.columns c where database = '%s' and `table` = '%s'", d.GetConfig().Name, table)
-			result, err = d.DoSelect(ctx, link, getColumnsSql)
-			if err != nil {
-				return nil
-			}
-			fields = make(map[string]*gdb.TableField)
-			for _, m := range result {
-				var (
-					isNull    = false
-					fieldType = m["type"].String()
-				)
-				// in clickhouse , filed type like is Nullable(int)
-				fieldsResult, _ := gregex.MatchString(`^Nullable\((.*?)\)`, fieldType)
-				if len(fieldsResult) == 2 {
-					isNull = true
-					fieldType = fieldsResult[1]
-				}
-				fields[m["name"].String()] = &gdb.TableField{
-					Index:   m["position"].Int(),
-					Name:    m["name"].String(),
-					Default: m["default_expression"].Val(),
-					Comment: m["comment"].String(),
-					//Key:     m["Key"].String(),
-					Type: fieldType,
-					Null: isNull,
-				}
-			}
-			return fields
-		},
+	var (
+		result    gdb.Result
+		link      gdb.Link
+		useSchema = gutil.GetOrDefaultStr(d.GetSchema(), schema...)
 	)
-	if v != nil {
-		fields = v.(map[string]*gdb.TableField)
+	if link, err = d.SlaveLink(useSchema); err != nil {
+		return nil, err
 	}
-	return
-}
-
-// FilteredLink retrieves and returns filtered `linkInfo` that can be using for
-// logging or tracing purpose.
-func (d *Driver) FilteredLink() string {
-	linkInfo := d.GetConfig().Link
-	if linkInfo == "" {
-		return ""
-	}
-	s, _ := gregex.ReplaceString(
-		`(.+?):(.+)@tcp(.+)`,
-		`$1:xxx@tcp$3`,
-		linkInfo,
+	var (
+		columns       = "name,position,default_expression,comment,type,is_in_partition_key,is_in_sorting_key,is_in_primary_key,is_in_sampling_key"
+		getColumnsSql = fmt.Sprintf(
+			"select %s from `system`.columns c where `table` = '%s'",
+			columns, table,
+		)
 	)
-	return s
+	result, err = d.DoSelect(ctx, link, getColumnsSql)
+	if err != nil {
+		return nil, err
+	}
+	fields = make(map[string]*gdb.TableField)
+	for _, m := range result {
+		var (
+			isNull    = false
+			fieldType = m["type"].String()
+		)
+		// in clickhouse , filed type like is Nullable(int)
+		fieldsResult, _ := gregex.MatchString(`^Nullable\((.*?)\)`, fieldType)
+		if len(fieldsResult) == 2 {
+			isNull = true
+			fieldType = fieldsResult[1]
+		}
+		fields[m["name"].String()] = &gdb.TableField{
+			Index:   m["position"].Int(),
+			Name:    m["name"].String(),
+			Default: m["default_expression"].Val(),
+			Comment: m["comment"].String(),
+			// Key:     m["Key"].String(),
+			Type: fieldType,
+			Null: isNull,
+		}
+	}
+	return fields, nil
 }
 
 // PingMaster pings the master node to check authentication or keeps the connection alive.
@@ -221,7 +208,7 @@ func (d *Driver) PingSlave() error {
 func (d *Driver) ping(conn *sql.DB) error {
 	err := conn.Ping()
 	if exception, ok := err.(*clickhouse.Exception); ok {
-		return errors.New(fmt.Sprintf("[%d]%s", exception.Code, exception.Message))
+		return fmt.Errorf("[%d]%s", exception.Code, exception.Message)
 	}
 	return err
 }
@@ -383,6 +370,15 @@ func (d *Driver) ConvertDataForRecord(ctx context.Context, value interface{}) (m
 				m[k] = nil
 			}
 
+		case decimal.Decimal:
+			m[k] = itemValue
+
+		case *decimal.Decimal:
+			m[k] = nil
+			if itemValue != nil {
+				m[k] = *itemValue
+			}
+
 		default:
 			// if the other type implements valuer for the driver package
 			// the converted result is used

contrib/drivers/clickhouse/clickhouse_test.go

@@ -3,18 +3,19 @@ package clickhouse
 import (
 	"context"
 	"fmt"
-	"github.com/gogf/gf/v2/os/gtime"
-	"github.com/gogf/gf/v2/util/guid"
-	"github.com/google/uuid"
-	"strings"
 	"testing"
 	"time"
 
+	"github.com/google/uuid"
+	"github.com/shopspring/decimal"
+
 	"github.com/gogf/gf/v2/database/gdb"
 	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gtime"
 	"github.com/gogf/gf/v2/test/gtest"
 	"github.com/gogf/gf/v2/util/gconv"
 	"github.com/gogf/gf/v2/util/grand"
+	"github.com/gogf/gf/v2/util/guid"
 )
 
 const (
@@ -107,6 +108,8 @@ values  (607970943242866688, 607973669943119880, 607972403489804288, 2022, 3, 20
 			, Col8 DateTime COMMENT '列8'
 			, Col9 UUID COMMENT '列9'
 			, Col10 DateTime COMMENT '列10'
+		    , Col11 Decimal(9, 2) COMMENT '列11'
+		    , Col12 Decimal(9, 2) COMMENT '列12'
 		) ENGINE = MergeTree()
 		PRIMARY KEY Col4
 		ORDER BY Col4
@@ -127,6 +130,17 @@ func clickhouseConfigDB() gdb.DB {
 	return connect
 }
 
+func clickhouseLink() gdb.DB {
+	connect, err := gdb.New(gdb.ConfigNode{
+		Link: "clickhouse://default@127.0.0.1:9000,127.0.0.1:9000/default?dial_timeout=200ms&max_execution_time=60",
+		Type: "clickhouse",
+		Name: "default",
+	})
+	gtest.AssertNil(err)
+	gtest.AssertNE(connect, nil)
+	return connect
+}
+
 func createClickhouseTableVisits(connect gdb.DB) error {
 	_, err := connect.Exec(context.Background(), sqlVisitsDDL)
 	return err
@@ -204,7 +218,7 @@ func TestDriverClickhouse_TableFields_Use_Config(t *testing.T) {
 }
 
 func TestDriverClickhouse_TableFields_Use_Link(t *testing.T) {
-	connect := clickhouseConfigDB()
+	connect := clickhouseLink()
 	gtest.AssertNil(createClickhouseTableVisits(connect))
 	defer dropClickhouseTableVisits(connect)
 	field, err := connect.TableFields(context.Background(), "visits")
@@ -425,8 +439,12 @@ func TestDriverClickhouse_NilTime(t *testing.T) {
 		Col8  *time.Time
 		Col9  uuid.UUID
 		Col10 *gtime.Time
+		Col11 decimal.Decimal
+		Col12 *decimal.Decimal
 	}
 	insertData := []*testNilTime{}
+	money := decimal.NewFromFloat(1.12)
+	strMoney, _ := decimal.NewFromString("99999.999")
 	for i := 0; i < 10000; i++ {
 		insertData = append(insertData, &testNilTime{
 			Col4: "Inc.",
@@ -437,6 +455,8 @@ func TestDriverClickhouse_NilTime(t *testing.T) {
 					map[string]string{"key": "value"},
 					map[string]string{"key": "value"},
 				}},
+			Col11: money,
+			Col12: &strMoney,
 		})
 	}
 	_, err := connect.Model("data_type").Data(insertData).Insert()
@@ -444,6 +464,13 @@ func TestDriverClickhouse_NilTime(t *testing.T) {
 	count, err := connect.Model("data_type").Where("Col4", "Inc.").Count()
 	gtest.AssertNil(err)
 	gtest.AssertEQ(count, 10000)
+
+	data, err := connect.Model("data_type").Where("Col4", "Inc.").One()
+	gtest.AssertNil(err)
+	gtest.AssertNE(data, nil)
+	g.Dump(data)
+	gtest.AssertEQ(data["Col11"].String(), "1.12")
+	gtest.AssertEQ(data["Col12"].String(), "99999.99")
 }
 
 func TestDriverClickhouse_BatchInsert(t *testing.T) {
@@ -493,21 +520,6 @@ func TestDriverClickhouse_Open(t *testing.T) {
 	gtest.AssertNil(db.PingMaster())
 }
 
-func TestDriverClickhouse_ReplaceConfig(t *testing.T) {
-	db := &Driver{}
-	// parse link's name set to config
-	c1 := &gdb.ConfigNode{}
-	c1.Link = "clickhouse://default@127.0.0.1:9000,127.0.0.1:9000/default?dial_timeout=200ms&max_execution_time=60"
-	_, _ = db.Open(c1)
-	gtest.AssertEQ(c1.Name, "default")
-	// replace link's name from config
-	c2 := &gdb.ConfigNode{}
-	c2.Name = "clickhouseJohn"
-	c2.Link = "clickhouse://default@127.0.0.1:9000,127.0.0.1:9000/default?dial_timeout=200ms&max_execution_time=60"
-	_, _ = db.Open(c2)
-	gtest.AssertEQ(strings.Contains(c2.Link, "clickhouseJohn"), true)
-}
-
 func TestDriverClickhouse_TableFields(t *testing.T) {
 	connect := clickhouseConfigDB()
 	gtest.AssertNil(createClickhouseExampleTable(connect))
@@ -527,6 +539,8 @@ func TestDriverClickhouse_TableFields(t *testing.T) {
 		"Col8":  {8, "Col8", "DateTime", false, "", "", "", "列8"},
 		"Col9":  {9, "Col9", "UUID", false, "", "", "", "列9"},
 		"Col10": {10, "Col10", "DateTime", false, "", "", "", "列10"},
+		"Col11": {11, "Col11", "Decimal(9, 2)", false, "", "", "", "列11"},
+		"Col12": {12, "Col12", "Decimal(9, 2)", false, "", "", "", "列12"},
 	}
 	for k, v := range result {
 		_, ok := dataTypeTable[k]

contrib/drivers/clickhouse/go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/ClickHouse/clickhouse-go/v2 v2.0.15
 	github.com/gogf/gf/v2 v2.0.0
 	github.com/google/uuid v1.3.0
+	github.com/shopspring/decimal v1.3.1
 )
 
 replace (

contrib/drivers/dm/dm.go

@@ -0,0 +1,372 @@
+// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+// Package dm implements gdb.Driver, which supports operations for database DM.
+package dm
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"net/url"
+	"reflect"
+	"strconv"
+	"strings"
+
+	_ "gitee.com/chunanyong/dm"
+	"github.com/gogf/gf/v2/database/gdb"
+	"github.com/gogf/gf/v2/errors/gcode"
+	"github.com/gogf/gf/v2/errors/gerror"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/text/gregex"
+	"github.com/gogf/gf/v2/text/gstr"
+	"github.com/gogf/gf/v2/util/gutil"
+)
+
+type Driver struct {
+	*gdb.Core
+}
+
+func init() {
+	var (
+		err         error
+		driverObj   = New()
+		driverNames = g.SliceStr{"dm"}
+	)
+	for _, driverName := range driverNames {
+		if err = gdb.Register(driverName, driverObj); err != nil {
+			panic(err)
+		}
+	}
+}
+
+func New() gdb.Driver {
+	return &Driver{}
+}
+
+func (d *Driver) New(core *gdb.Core, node *gdb.ConfigNode) (gdb.DB, error) {
+	return &Driver{
+		Core: core,
+	}, nil
+}
+
+func (d *Driver) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {
+	var (
+		source               string
+		underlyingDriverName = "dm"
+	)
+	if config.Name == "" {
+		return nil, fmt.Errorf(
+			`dm.Open failed for driver "%s" without DB Name`, underlyingDriverName,
+		)
+	}
+	// Data Source Name of DM8:
+	// dm://userName:password@ip:port/dbname
+	source = fmt.Sprintf(
+		"dm://%s:%s@%s:%s/%s?charset=%s",
+		config.User, config.Pass, config.Host, config.Port, config.Name, config.Charset,
+	)
+	// Demo of timezone setting:
+	// &loc=Asia/Shanghai
+	if config.Timezone != "" {
+		source = fmt.Sprintf("%s&loc%s", source, url.QueryEscape(config.Timezone))
+	}
+	if config.Extra != "" {
+		source = fmt.Sprintf("%s&%s", source, config.Extra)
+	}
+
+	if db, err = sql.Open(underlyingDriverName, source); err != nil {
+		err = gerror.WrapCodef(
+			gcode.CodeDbOperationError, err,
+			`dm.Open failed for driver "%s" by source "%s"`, underlyingDriverName, source,
+		)
+		return nil, err
+	}
+	return
+}
+
+func (d *Driver) GetChars() (charLeft string, charRight string) {
+	return `"`, `"`
+}
+
+func (d *Driver) Tables(ctx context.Context, schema ...string) (tables []string, err error) {
+	var result gdb.Result
+	// When schema is empty, return the default link
+	link, err := d.SlaveLink(schema...)
+	if err != nil {
+		return nil, err
+	}
+	// The link has been distinguished and no longer needs to judge the owner
+	result, err = d.DoSelect(
+		ctx, link, `SELECT * FROM ALL_TABLES`,
+	)
+	if err != nil {
+		return
+	}
+	for _, m := range result {
+		if v, ok := m["IOT_NAME"]; ok {
+			tables = append(tables, v.String())
+		}
+	}
+	return
+}
+
+func (d *Driver) TableFields(
+	ctx context.Context, table string, schema ...string,
+) (fields map[string]*gdb.TableField, err error) {
+	var (
+		result gdb.Result
+		link   gdb.Link
+		// When no schema is specified, the configuration item is returned by default
+		usedSchema = gutil.GetOrDefaultStr(d.GetSchema(), schema...)
+	)
+	// When usedSchema is empty, return the default link
+	if link, err = d.SlaveLink(usedSchema); err != nil {
+		return nil, err
+	}
+	// The link has been distinguished and no longer needs to judge the owner
+	result, err = d.DoSelect(
+		ctx, link,
+		fmt.Sprintf(
+			`SELECT * FROM ALL_TAB_COLUMNS WHERE Table_Name= '%s'`,
+			strings.ToUpper(table),
+		),
+	)
+	if err != nil {
+		return nil, err
+	}
+	fields = make(map[string]*gdb.TableField)
+	for i, m := range result {
+		// m[NULLABLE] returns "N" "Y"
+		// "N" means not null
+		// "Y" means could be null
+		var nullable bool
+		if m["NULLABLE"].String() != "N" {
+			nullable = true
+		}
+		fields[m["COLUMN_NAME"].String()] = &gdb.TableField{
+			Index:   i,
+			Name:    m["COLUMN_NAME"].String(),
+			Type:    m["DATA_TYPE"].String(),
+			Null:    nullable,
+			Default: m["DATA_DEFAULT"].Val(),
+			// Key:     m["Key"].String(),
+			// Extra:   m["Extra"].String(),
+			// Comment: m["Comment"].String(),
+		}
+	}
+	return fields, nil
+}
+
+// DoFilter deals with the sql string before commits it to underlying sql driver.
+func (d *Driver) DoFilter(ctx context.Context, link gdb.Link, sql string, args []interface{}) (newSql string, newArgs []interface{}, err error) {
+	defer func() {
+		newSql, newArgs, err = d.Core.DoFilter(ctx, link, newSql, newArgs)
+	}()
+	// There should be no need to capitalize, because it has been done from field processing before
+	newSql, err = gregex.ReplaceString(`["\n\t]`, "", sql)
+	newSql = gstr.ReplaceI(newSql, "GROUP_CONCAT", "WM_CONCAT")
+	// g.Dump("Driver.DoFilter()::newSql", newSql)
+	newArgs = args
+	// g.Dump("Driver.DoFilter()::newArgs", newArgs)
+	return
+}
+
+func (d *Driver) DoInsert(
+	ctx context.Context, link gdb.Link, table string, list gdb.List, option gdb.DoInsertOption,
+) (result sql.Result, err error) {
+	switch option.InsertOption {
+	case gdb.InsertOptionReplace:
+		// TODO:: Should be Supported
+		return nil, gerror.NewCode(
+			gcode.CodeNotSupported, `Replace operation is not supported by dm driver`,
+		)
+
+	case gdb.InsertOptionSave:
+		// This syntax currently only supports design tables whose primary key is ID.
+		listLength := len(list)
+		if listLength == 0 {
+			return nil, gerror.NewCode(
+				gcode.CodeInvalidRequest, `Save operation list is empty by dm driver`,
+			)
+		}
+		var (
+			keysSort     []string
+			charL, charR = d.GetChars()
+		)
+		// Column names need to be aligned in the syntax
+		for k := range list[0] {
+			keysSort = append(keysSort, k)
+		}
+		var char = struct {
+			charL        string
+			charR        string
+			valueCharL   string
+			valueCharR   string
+			duplicateKey string
+			keys         []string
+		}{
+			charL:      charL,
+			charR:      charR,
+			valueCharL: "'",
+			valueCharR: "'",
+			// TODO:: Need to dynamically set the primary key of the table
+			duplicateKey: "ID",
+			keys:         keysSort,
+		}
+
+		// insertKeys:   Handle valid keys that need to be inserted and updated
+		// insertValues: Handle values that need to be inserted
+		// updateValues: Handle values that need to be updated
+		// queryValues:  Handle only one insert with column name
+		insertKeys, insertValues, updateValues, queryValues := parseValue(list[0], char)
+		// unionValues: Handling values that need to be inserted and updated
+		unionValues := parseUnion(list[1:], char)
+
+		batchResult := new(gdb.SqlResult)
+		// parseSql():
+		// MERGE INTO {{table}} T1
+		// USING ( SELECT {{queryValues}} FROM DUAL
+		// {{unionValues}} ) T2
+		// ON (T1.{{duplicateKey}} = T2.{{duplicateKey}})
+		// WHEN NOT MATCHED THEN
+		// INSERT {{insertKeys}} VALUES {{insertValues}}
+		// WHEN MATCHED THEN
+		// UPDATE SET {{updateValues}}
+		sqlStr := parseSql(
+			insertKeys, insertValues, updateValues, queryValues, unionValues, table, char.duplicateKey,
+		)
+		r, err := d.DoExec(ctx, link, sqlStr)
+		if err != nil {
+			return r, err
+		}
+		if n, err := r.RowsAffected(); err != nil {
+			return r, err
+		} else {
+			batchResult.Result = r
+			batchResult.Affected += n
+		}
+		return batchResult, nil
+	}
+	return d.Core.DoInsert(ctx, link, table, list, option)
+}
+
+func parseValue(listOne gdb.Map, char struct {
+	charL        string
+	charR        string
+	valueCharL   string
+	valueCharR   string
+	duplicateKey string
+	keys         []string
+}) (insertKeys []string, insertValues []string, updateValues []string, queryValues []string) {
+	for _, column := range char.keys {
+		if listOne[column] == nil {
+			// remove unassigned struct object
+			continue
+		}
+		insertKeys = append(insertKeys, char.charL+column+char.charR)
+		insertValues = append(insertValues, "T2."+char.charL+column+char.charR)
+		if column != char.duplicateKey {
+			updateValues = append(
+				updateValues,
+				fmt.Sprintf(`T1.%s = T2.%s`, char.charL+column+char.charR, char.charL+column+char.charR),
+			)
+		}
+
+		va := reflect.ValueOf(listOne[column])
+		ty := reflect.TypeOf(listOne[column])
+		saveValue := ""
+		switch ty.Kind() {
+		case reflect.String:
+			saveValue = va.String()
+
+		case reflect.Int:
+			saveValue = strconv.FormatInt(va.Int(), 10)
+
+		case reflect.Int64:
+			saveValue = strconv.FormatInt(va.Int(), 10)
+
+		default:
+			// The fish has no chance getting here.
+			// Nothing to do.
+		}
+		queryValues = append(
+			queryValues,
+			fmt.Sprintf(
+				char.valueCharL+"%s"+char.valueCharR+" AS "+char.charL+"%s"+char.charR,
+				saveValue, column,
+			),
+		)
+	}
+	return
+}
+
+func parseUnion(list gdb.List, char struct {
+	charL        string
+	charR        string
+	valueCharL   string
+	valueCharR   string
+	duplicateKey string
+	keys         []string
+}) (unionValues []string) {
+	for _, mapper := range list {
+		var saveValue []string
+		for _, column := range char.keys {
+			if mapper[column] == nil {
+				continue
+			}
+			va := reflect.ValueOf(mapper[column])
+			ty := reflect.TypeOf(mapper[column])
+			switch ty.Kind() {
+			case reflect.String:
+				saveValue = append(saveValue, char.valueCharL+va.String()+char.valueCharR)
+
+			case reflect.Int:
+				saveValue = append(saveValue, strconv.FormatInt(va.Int(), 10))
+
+			case reflect.Int64:
+				saveValue = append(saveValue, strconv.FormatInt(va.Int(), 10))
+
+			default:
+				// The fish has no chance getting here.
+				// Nothing to do.
+			}
+		}
+		unionValues = append(
+			unionValues,
+			fmt.Sprintf(`UNION ALL SELECT %s FROM DUAL`, strings.Join(saveValue, ",")),
+		)
+	}
+	return
+}
+
+func parseSql(
+	insertKeys, insertValues, updateValues, queryValues, unionValues []string, table, duplicateKey string,
+) (sqlStr string) {
+	var (
+		queryValueStr  = strings.Join(queryValues, ",")
+		unionValueStr  = strings.Join(unionValues, " ")
+		insertKeyStr   = strings.Join(insertKeys, ",")
+		insertValueStr = strings.Join(insertValues, ",")
+		updateValueStr = strings.Join(updateValues, ",")
+		pattern        = gstr.Trim(`
+MERGE INTO %s T1 USING (SELECT %s FROM DUAL %s) T2 ON %s 
+WHEN NOT MATCHED 
+THEN 
+INSERT(%s) VALUES (%s) 
+WHEN MATCHED 
+THEN 
+UPDATE SET %s; 
+COMMIT;
+`)
+	)
+	return fmt.Sprintf(
+		pattern,
+		table, queryValueStr, unionValueStr,
+		fmt.Sprintf("(T1.%s = T2.%s)", duplicateKey, duplicateKey),
+		insertKeyStr, insertValueStr, updateValueStr,
+	)
+}