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								// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
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								package utils
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								import (
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									"bytes"
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									"encoding/json"
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									"errors"
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									"reflect"
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								)
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								// JSONClone 使用JSON克隆对象
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								func JSONClone(v interface{}) (interface{}, error) {
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									data, err := json.Marshal(v)
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									if err != nil {
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										return nil, err
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									}
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									var nv = reflect.New(reflect.TypeOf(v).Elem()).Interface()
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									err = json.Unmarshal(data, nv)
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									if err != nil {
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										return nil, err
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									}
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									return nv, nil
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								}
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								// JSONIsNull 判断JSON数据是否为null
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								func JSONIsNull(jsonData []byte) bool {
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									return len(jsonData) == 0 || bytes.Equal(jsonData, []byte("null"))
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								}
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								// JSONDecodeConfig 解码并重新编码
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								// 是为了去除原有JSON中不需要的数据
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								func JSONDecodeConfig(data []byte, ptr any) (encodeJSON []byte, err error) {
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									err = json.Unmarshal(data, ptr)
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									if err != nil {
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										return
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									}
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									encodeJSON, err = json.Marshal(ptr)
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									if err != nil {
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										return
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									}
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									// validate config
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									if ptr != nil {
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										config, ok := ptr.(interface {
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											Init() error
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										})
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										if ok {
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											initErr := config.Init()
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											if initErr != nil {
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												err = errors.New("validate config failed: " + initErr.Error())
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											}
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										}
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									}
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									return
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								}
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