add gutil.MapToSlice/StructToSlice

util/gutil/gutil_map.go

@@ -1,4 +1,4 @@
-// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// Copyright GoFrame 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,
@@ -8,6 +8,7 @@ package gutil
 
 import (
 	"github.com/gogf/gf/internal/utils"
+	"reflect"
 )
 
 // MapCopy does a shallow copy from map <data> to <copy> for most commonly used map type
@@ -103,3 +104,26 @@ func MapOmitEmpty(data map[string]interface{}) {
 		}
 	}
 }
+
+// MapToSlice converts map to slice of which all keys and values are its items.
+// Eg: {"K1": "v1", "K2": "v2"} => ["K1", "v1", "K2", "v2"]
+func MapToSlice(data interface{}) []interface{} {
+	var (
+		reflectValue = reflect.ValueOf(data)
+		reflectKind  = reflectValue.Kind()
+	)
+	for reflectKind == reflect.Ptr {
+		reflectValue = reflectValue.Elem()
+		reflectKind = reflectValue.Kind()
+	}
+	switch reflectKind {
+	case reflect.Map:
+		array := make([]interface{}, 0)
+		for _, key := range reflectValue.MapKeys() {
+			array = append(array, key.Interface())
+			array = append(array, reflectValue.MapIndex(key).Interface())
+		}
+		return array
+	}
+	return nil
+}

util/gutil/gutil_struct.go

@@ -0,0 +1,37 @@
+// Copyright GoFrame 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 gutil
+
+import (
+	"github.com/gogf/gf/util/gconv"
+	"reflect"
+)
+
+// StructToSlice converts struct to slice of which all keys and values are its items.
+// Eg: {"K1": "v1", "K2": "v2"} => ["K1", "v1", "K2", "v2"]
+func StructToSlice(data interface{}) []interface{} {
+	var (
+		reflectValue = reflect.ValueOf(data)
+		reflectKind  = reflectValue.Kind()
+	)
+	for reflectKind == reflect.Ptr {
+		reflectValue = reflectValue.Elem()
+		reflectKind = reflectValue.Kind()
+	}
+	switch reflectKind {
+	case reflect.Struct:
+		array := make([]interface{}, 0)
+		// Note that, it uses the gconv tag name instead of the attribute name if
+		// the gconv tag is fined in the struct attributes.
+		for k, v := range gconv.Map(reflectValue) {
+			array = append(array, k)
+			array = append(array, v)
+		}
+		return array
+	}
+	return nil
+}

util/gutil/gutil_z_unit_map_test.go

@@ -1,4 +1,4 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// Copyright GoFrame 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,
@@ -134,3 +134,39 @@ func Test_MapOmitEmpty(t *testing.T) {
 		t.AssertNE(m["k2"], nil)
 	})
 }
+
+func Test_MapToSlice(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		m := g.Map{
+			"k1": "v1",
+			"k2": "v2",
+		}
+		s := gutil.MapToSlice(m)
+		t.Assert(len(s), 4)
+		t.AssertIN(s[0], g.Slice{"k1", "k2", "v1", "v2"})
+		t.AssertIN(s[1], g.Slice{"k1", "k2", "v1", "v2"})
+		t.AssertIN(s[2], g.Slice{"k1", "k2", "v1", "v2"})
+		t.AssertIN(s[3], g.Slice{"k1", "k2", "v1", "v2"})
+	})
+	gtest.C(t, func(t *gtest.T) {
+		m := g.MapStrStr{
+			"k1": "v1",
+			"k2": "v2",
+		}
+		s := gutil.MapToSlice(m)
+		t.Assert(len(s), 4)
+		t.AssertIN(s[0], g.Slice{"k1", "k2", "v1", "v2"})
+		t.AssertIN(s[1], g.Slice{"k1", "k2", "v1", "v2"})
+		t.AssertIN(s[2], g.Slice{"k1", "k2", "v1", "v2"})
+		t.AssertIN(s[3], g.Slice{"k1", "k2", "v1", "v2"})
+	})
+	gtest.C(t, func(t *gtest.T) {
+		m := g.MapStrStr{}
+		s := gutil.MapToSlice(m)
+		t.Assert(len(s), 0)
+	})
+	gtest.C(t, func(t *gtest.T) {
+		s := gutil.MapToSlice(1)
+		t.Assert(s, nil)
+	})
+}

util/gutil/gutil_z_unit_struct_test.go

@@ -0,0 +1,38 @@
+// Copyright GoFrame 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 gutil_test
+
+import (
+	"github.com/gogf/gf/frame/g"
+	"testing"
+
+	"github.com/gogf/gf/test/gtest"
+	"github.com/gogf/gf/util/gutil"
+)
+
+func Test_StructToSlice(t *testing.T) {
+	type A struct {
+		K1 int
+		K2 string
+	}
+	gtest.C(t, func(t *gtest.T) {
+		a := &A{
+			K1: 1,
+			K2: "v2",
+		}
+		s := gutil.StructToSlice(a)
+		t.Assert(len(s), 4)
+		t.AssertIN(s[0], g.Slice{"K1", "K2", 1, "v2"})
+		t.AssertIN(s[1], g.Slice{"K1", "K2", 1, "v2"})
+		t.AssertIN(s[2], g.Slice{"K1", "K2", 1, "v2"})
+		t.AssertIN(s[3], g.Slice{"K1", "K2", 1, "v2"})
+	})
+	gtest.C(t, func(t *gtest.T) {
+		s := gutil.StructToSlice(1)
+		t.Assert(s, nil)
+	})
+}