2022-07-04 17:50:42 +08:00
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// Package filter ...
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//
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// Description : filter ...
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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 : 2022-07-04 17:47
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package filter
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import (
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2022-12-31 22:03:19 +08:00
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"encoding/json"
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2022-07-04 17:50:42 +08:00
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"fmt"
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2024-06-08 20:17:14 +08:00
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"git.zhangdeman.cn/zhangdeman/consts"
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2023-05-05 15:03:49 +08:00
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"git.zhangdeman.cn/zhangdeman/wrapper"
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"strings"
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2023-02-12 18:26:27 +08:00
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"github.com/tidwall/gjson"
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2023-01-02 22:12:48 +08:00
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"github.com/tidwall/sjson"
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2023-01-07 23:24:55 +08:00
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"errors"
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2022-07-04 17:50:42 +08:00
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)
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// NewFilter 过滤器实例
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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 : 11:54 2022/7/4
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func NewFilter(sourceData string, filterRuleList []MapRule) *filter {
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return &filter{
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sourceData: sourceData,
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formatResult: "{}",
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2022-07-04 17:50:42 +08:00
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filterRuleList: filterRuleList,
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}
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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 : 11:58 2022/7/4
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type filter struct {
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sourceData string
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formatResult string
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filterRuleList []MapRule
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}
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// Deal ...
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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 : 11:59 2022/7/4
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2022-12-31 22:03:19 +08:00
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func (f *filter) Deal() error {
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var (
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err error
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formatVal interface{}
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)
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2022-07-04 17:50:42 +08:00
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for _, rule := range f.filterRuleList {
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if f.IsArray(rule) {
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// 对于list的处理
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if err = f.handleArray(rule); nil != err {
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return err
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}
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continue
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}
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sourceResult := gjson.Get(f.sourceData, rule.SourcePath)
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if formatVal, err = f.getValue(rule.DataType, sourceResult, rule.DefaultValue); nil != err {
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return fmt.Errorf("%s = %v can not convert to %s : %s", rule.SourcePath, sourceResult.Value(), rule.DataType, err.Error())
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}
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2024-09-25 17:26:49 +08:00
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if f.formatResult, err = sjson.Set(f.formatResult, rule.TargetPath, formatVal); nil != err {
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return err
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}
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}
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return nil
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}
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2023-01-01 19:28:20 +08:00
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// IsArray 判断是否为数组
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//
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// Author : zhangdeman001@ke.com<张德满>
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//
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// Date : 17:48 2023/1/1
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func (f *filter) IsArray(rule MapRule) bool {
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return strings.Contains(rule.SourcePath, "[]")
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}
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// handleArray 处理数组(最复杂的场景)
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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 : 17:41 2023/1/1
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func (f *filter) handleArray(rule MapRule) error {
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2023-01-02 21:17:51 +08:00
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var (
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err error
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)
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2023-01-01 19:28:20 +08:00
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sourcePathArray := strings.Split(rule.SourcePath, "[]")
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for idx, item := range sourcePathArray {
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sourcePathArray[idx] = strings.Trim(item, ".")
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}
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mapPathArray := strings.Split(strings.TrimRight(rule.TargetPath, ".[]"), "[]")
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for idx, item := range mapPathArray {
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mapPathArray[idx] = strings.Trim(item, ".")
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}
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if len(sourcePathArray) != len(mapPathArray) {
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if len(mapPathArray) != 1 {
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return errors.New("map rule is invalid")
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}
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// 提取某一个list下的字段, 组成一个list
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res := make([]string, 0)
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if len(sourcePathArray[0]) == 0 {
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f.getAllFinalData(&res, gjson.Parse(f.sourceData).Array(), sourcePathArray[1:])
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} else {
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f.getAllFinalData(&res, gjson.Get(f.sourceData, sourcePathArray[0]).Array(), sourcePathArray[1:])
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}
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2023-01-02 21:17:51 +08:00
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if f.formatResult, err = sjson.Set(f.formatResult, mapPathArray[0], res); nil != err {
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return err
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}
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2023-01-01 19:28:20 +08:00
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return nil
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}
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return nil
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}
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2023-01-02 21:17:51 +08:00
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// extraFinalResult 提取全部最底层结果
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//
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2023-01-02 21:17:51 +08:00
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// Author : zhangdeman001@ke.com<张德满>
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2023-01-01 19:28:20 +08:00
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//
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2023-01-02 21:17:51 +08:00
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// Date : 14:00 2023/1/2
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2023-01-02 22:12:48 +08:00
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func (f *filter) getAllFinalData(res *[]string, resultList []gjson.Result, pathArr []string) {
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if len(pathArr) == 1 {
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for _, item := range resultList {
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*res = append(*res, item.Get(pathArr[0]).String())
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}
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return
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}
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for _, item := range resultList {
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f.getAllFinalData(res, item.Array(), pathArr[1:])
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}
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return
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}
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2022-12-31 22:03:19 +08:00
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// String 获取格式化之后的字符串
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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 : 21:18 2022/12/31
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func (f *filter) String() string {
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return f.formatResult
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}
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// Byte 获取格式化之后的字节数组
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//
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// Author : zhangdeman001@ke.com<张德满>
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//
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// Date : 21:18 2022/12/31
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func (f *filter) Byte() []byte {
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return []byte(f.String())
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}
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// Parse 解析返回结果
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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 : 21:20 2022/12/31
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func (f *filter) Parse(receiver interface{}) error {
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if nil == receiver {
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return errors.New("receiver is nil")
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}
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return json.Unmarshal(f.Byte(), receiver)
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}
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// getValue 获取值
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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 : 12:25 2022/7/4
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2023-05-04 17:41:55 +08:00
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func (f *filter) getValue(dataType string, sourceValue gjson.Result, defaultValue string) (interface{}, error) {
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sourceValueStr := defaultValue
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if sourceValue.Exists() {
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2023-05-04 18:18:03 +08:00
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str := sourceValue.String()
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if len(str) > 0 {
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sourceValueStr = str
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}
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2023-05-04 17:41:55 +08:00
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}
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2023-05-05 15:03:49 +08:00
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strVal := wrapper.String(sourceValueStr)
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2022-07-04 17:50:42 +08:00
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switch dataType {
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case consts.DataTypeInt:
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intVal := strVal.ToInt()
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return intVal.Value, intVal.Err
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case consts.DataTypeUint:
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uintVal := strVal.ToUint64()
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return uintVal.Value, uintVal.Err
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case consts.DataTypeBool:
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boolVal := strVal.ToBool()
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return boolVal.Value, boolVal.Err
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case consts.DataTypeFloat:
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floatVal := strVal.ToFloat64()
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return floatVal.Value, floatVal.Err
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case consts.DataTypeString:
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return strVal.Value(), nil
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case consts.DataTypeAny:
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if sourceValue.Exists() {
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return sourceValue.Value(), nil
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}
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return defaultValue, nil
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case consts.DataTypeSliceAny:
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// 任意类型的list
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sliceVal := strVal.ToAnySlice()
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return sliceVal.Value, sliceVal.Err
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2024-09-25 18:03:52 +08:00
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case consts.DataTypeSliceInt, consts.DataTypeSliceIntWithChar:
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// 任意类型的list
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if strings.HasPrefix(strVal.Value(), "[") && strings.HasPrefix(strVal.Value(), "]") {
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// 序列化之后的数组
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sliceVal := strVal.ToInt64Slice()
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return sliceVal.Value, sliceVal.Err
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}
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// 分隔的数组
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sliceVal := strVal.ToInt64Slice(",")
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return sliceVal.Value, sliceVal.Err
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case consts.DataTypeSliceUint, consts.DataTypeSliceUintWithChar:
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// 任意类型的list
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if strings.HasPrefix(strVal.Value(), "[") && strings.HasPrefix(strVal.Value(), "]") {
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// 序列化之后的数组
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sliceVal := strVal.ToUint64Slice()
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return sliceVal.Value, sliceVal.Err
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}
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// 分隔的数组
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sliceVal := strVal.ToUint64Slice(",")
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return sliceVal.Value, sliceVal.Err
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case consts.DataTypeSliceFloat, consts.DataTypeSliceFloatWithChar:
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// 任意类型的list
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if strings.HasPrefix(strVal.Value(), "[") && strings.HasPrefix(strVal.Value(), "]") {
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// 序列化之后的数组
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sliceVal := strVal.ToFloat64Slice()
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return sliceVal.Value, sliceVal.Err
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}
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// 分隔的数组
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sliceVal := strVal.ToFloat64Slice(",")
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return sliceVal.Value, sliceVal.Err
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case consts.DataTypeSliceBool, consts.DataTypeSliceBoolWithChar:
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// 任意类型的list
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if strings.HasPrefix(strVal.Value(), "[") && strings.HasPrefix(strVal.Value(), "]") {
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// 序列化之后的数组
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sliceVal := strVal.ToBoolSlice()
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return sliceVal.Value, sliceVal.Err
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}
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// 分隔的数组
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sliceVal := strVal.ToBoolSlice(",")
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return sliceVal.Value, sliceVal.Err
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case consts.DataTypeSliceString, consts.DataTypeSliceStringWithChar:
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// 任意类型的list
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if strings.HasPrefix(strVal.Value(), "[") && strings.HasPrefix(strVal.Value(), "]") {
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// 序列化之后的数组
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sliceVal := strVal.ToStringSlice()
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return sliceVal.Value, sliceVal.Err
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}
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// 分隔的数组
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sliceVal := strVal.ToStringSlice(",")
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return sliceVal.Value, sliceVal.Err
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case consts.DataTypeSliceSlice, consts.DataTypeMapAnyAny:
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return nil, errors.New(consts.DataTypeSliceSlice + " : data type is not support")
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case consts.DataTypeSliceMapStringAny:
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if !sourceValue.IsArray() {
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return nil, errors.New("data type is not array")
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}
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var res []map[string]any
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err := strVal.ToStruct(&res)
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return res, err
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case consts.DataTypeMapStrInt:
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if !sourceValue.IsObject() {
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return nil, errors.New("data type is not object")
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}
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var res map[string]int64
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err := strVal.ToStruct(&res)
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return res, err
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case consts.DataTypeMapStrUint:
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if !sourceValue.IsObject() {
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return nil, errors.New("data type is not object")
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}
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var res map[string]uint64
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err := strVal.ToStruct(&res)
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return res, err
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case consts.DataTypeMapStrFloat:
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if !sourceValue.IsObject() {
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return nil, errors.New("data type is not object")
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}
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var res map[string]float64
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err := strVal.ToStruct(&res)
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return res, err
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case consts.DataTypeMapStrBool:
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if !sourceValue.IsObject() {
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return nil, errors.New("data type is not object")
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}
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var res map[string]bool
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err := strVal.ToStruct(&res)
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return res, err
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2024-06-08 20:17:14 +08:00
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case consts.DataTypeMapStrAny:
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2024-09-25 18:03:52 +08:00
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if !sourceValue.IsObject() {
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return nil, errors.New("data type is not object")
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}
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var res map[string]any
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err := strVal.ToStruct(&res)
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return res, err
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case consts.DataTypeMapStrStr:
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if !sourceValue.IsObject() {
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return nil, errors.New("data type is not object")
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}
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var res map[string]string
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err := strVal.ToStruct(&res)
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return res, err
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case consts.DataTypeMapStrSlice:
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if !sourceValue.IsObject() {
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return nil, errors.New("data type is not object")
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}
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var res map[string][]any
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err := strVal.ToStruct(&res)
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return res, err
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2022-07-04 17:50:42 +08:00
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|
default:
|
|
|
|
return nil, errors.New(dataType + " is not support!")
|
|
|
|
}
|
|
|
|
}
|