完善gcfg包使用示例

g/encoding/gjson/gjson.go

@@ -411,10 +411,13 @@ func (j *Json) Get(pattern string) interface{} {
 
 // 根据pattern层级查找变量指针
 func (j *Json) getPointerByPattern(pattern string) *interface{} {
-    start   := 0
     index   := len(pattern)
+    start   := 0
     length  := 0
     pointer := j.p
+    if index == 0 {
+        return pointer
+    }
     for {
         if r := j.checkPatternByPointer(pattern[start:index], pointer); r != nil {
             length += index - start

geg/os/gcfg/config.yml

@@ -0,0 +1,23 @@
+redis:
+  cache:
+    - host:   192.168.0.100
+      port:   6379
+      db:     0
+    - host:   192.168.0.100
+      port:   6379
+      db:     1
+  disk:
+    - host:   192.168.0.100
+      port:   6380
+      db:     0
+    - host:   192.168.0.100
+      port:   6380
+      db:     1
+
+memcache:
+  - host:   192.168.0.101
+    port:   11211
+    expire: 60
+  - host:   192.168.0.102
+    port:   11211
+    expire: 60

geg/os/gcfg/gcfg1.go

@@ -0,0 +1,15 @@
+package main
+
+import (
+    "fmt"
+    "gitee.com/johng/gf/g/os/gcfg"
+)
+
+func main() {
+    c              := gcfg.New("/home/john/Workspace/Go/GOPATH/src/gitee.com/johng/gf/geg/os/gcfg")
+    redisConfig    := c.GetArray("redis-cache", "redis.yml")
+    memcacheConfig := c.GetArray("", "memcache.yml")
+    fmt.Println(redisConfig)
+    fmt.Println(memcacheConfig)
+}
+

geg/os/gcfg/gcfg2.go

@@ -0,0 +1,13 @@
+package main
+
+import (
+    "fmt"
+    "gitee.com/johng/gf/g/os/gcfg"
+)
+
+func main() {
+    c := gcfg.New("/home/john/Workspace/Go/GOPATH/src/gitee.com/johng/gf/geg/os/gcfg")
+    v := c.GetArray("memcache")
+    fmt.Println(v)
+}
+

geg/os/gcfg/memcache.yml

@@ -0,0 +1,6 @@
+- host:   192.168.0.101
+  port:   11211
+  expire: 60
+- host:   192.168.0.102
+  port:   11211
+  expire: 60

geg/os/gcfg/redis.yml

@@ -0,0 +1,14 @@
+redis-cache:
+    - host:   192.168.0.100
+      port:   6379
+      db:     0
+    - host:   192.168.0.100
+      port:   6379
+      db:     1
+redis-disk:
+    - host:   192.168.0.100
+      port:   6380
+      db:     0
+    - host:   192.168.0.100
+      port:   6380
+      db:     1