优化界面

internal/utils/json.go

@@ -0,0 +1,24 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package utils
+
+import (
+	"encoding/json"
+	"reflect"
+)
+
+// JSONClone 使用JSON克隆对象
+func JSONClone(v interface{}) (interface{}, error) {
+	data, err := json.Marshal(v)
+	if err != nil {
+		return nil, err
+	}
+
+	var nv = reflect.New(reflect.TypeOf(v).Elem()).Interface()
+	err = json.Unmarshal(data, nv)
+	if err != nil {
+		return nil, err
+	}
+
+	return nv, nil
+}

internal/utils/json_test.go

@@ -0,0 +1,25 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package utils_test
+
+import (
+	"github.com/TeaOSLab/EdgeAdmin/internal/utils"
+	"testing"
+)
+
+func TestJSONClone(t *testing.T) {
+	type A struct {
+		B int    `json:"b"`
+		C string `json:"c"`
+	}
+
+	var a = &A{B: 123, C: "456"}
+
+	for i := 0; i < 5; i++ {
+		c, err := utils.JSONClone(a)
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Logf("%p, %#v", c, c)
+	}
+}