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package main
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import (
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"dsTools/Utils/FileUtil"
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"fmt"
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//这个库是目前我接触到最好用的json库！强烈推荐！
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"github.com/tidwall/gjson"
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)
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var map1 = make(map[string]string)
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var map2 = make(map[string]string)
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func main() {
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var indexName = "twitter"
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var path = "mappings.properties"
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var backupPath = "./MappingBackupJson/"
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var createPath = "./MappingCreateJson/"
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json1 := FileUtil.ReadFileContent(backupPath + indexName + ".json")
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value1 := gjson.Get(json1, path)
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value1.ForEach(printKeyValue1())
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json2 := FileUtil.ReadFileContent(createPath + indexName + ".json")
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value2 := gjson.Get(json2, path)
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value2.ForEach(printKeyValue2())
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//获取2比1多的字段，生成可以增加字段的mapping
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for k, v := range map2 {
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//如果存在，表示不需要增加
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if _, ok := map1[k]; ok {
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//存在,就算是字段类型不一样，也无法变更，只能提供一下。
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} else {
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fmt.Println(k, v)
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fmt.Println(fmt.Sprintf("发现新增字段%s,已成功增加！\n", k))
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}
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}
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}
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func printKeyValue1() func(key gjson.Result, value gjson.Result) bool {
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return func(key, value gjson.Result) bool {
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map1[key.String()] = value.String()
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return true
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}
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}
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func printKeyValue2() func(key gjson.Result, value gjson.Result) bool {
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return func(key, value gjson.Result) bool {
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map2[key.String()] = value.String()
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return true
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}
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}
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