84 lines
1.8 KiB
Go
84 lines
1.8 KiB
Go
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// Package json_tool ...
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//
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// Description : json_tool ...
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//
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// Author : go_developer@163.com<张德满>
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//
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// Date : 2022/01/22 9:19 PM
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package json_tool
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import (
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"strings"
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"github.com/tidwall/gjson"
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"github.com/Jeffail/gabs"
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)
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// FilterDataRule 参数过滤规则
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 2022/1/22 9:44 PM
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type FilterDataRule struct {
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SourceKey string // 原始数据路径
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MapKey string // 提取后映射到的数据路径
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DefaultValue interface{} // 原始数据路径不存在时的默认值
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WithDefault bool // 是否使用默认值
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}
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// NewDataFilter 获取数据过滤方法实例
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 2022/1/22 9:50 PM
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func NewDataFilter(source string, filterRule []FilterDataRule) *DataFilter {
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return &DataFilter{
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source: source,
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filterRule: filterRule,
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}
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}
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// DataFilter 数据过滤
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 2022/1/22 9:20 PM
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type DataFilter struct {
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source string
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filterRule []FilterDataRule
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}
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// Filter 数据过滤
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 2022/1/22 9:36 PM
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func (df *DataFilter) Filter() (string, error) {
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var (
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jsonObject *gabs.Container
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err error
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)
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// 创建数据的根结点
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jsonObject = gabs.New()
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for _, item := range df.filterRule {
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if strings.Contains(item.SourceKey, "[]") {
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// 数组, 特殊处理
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continue
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}
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sourceSearchResult := gjson.Get(df.source, item.SourceKey)
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if !sourceSearchResult.Exists() {
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if item.WithDefault {
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if _, err = jsonObject.SetP(item.DefaultValue, item.MapKey); nil != err {
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return "", err
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}
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}
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continue
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}
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if _, err = jsonObject.SetP(sourceSearchResult.Value(), item.MapKey); nil != err {
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return "", err
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}
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}
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return jsonObject.String(), nil
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}
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