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json.go
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/
json.go
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package gosupport
import (
"bytes"
"encoding/json"
)
// ToJson 转成json字符串
func ToJson(v interface{}) string {
b, err := json.Marshal(v)
if err != nil {
return ""
}
return string(b)
}
func JsonUnmarshal(str string, obj interface{}) error {
return json.Unmarshal([]byte(str), obj)
}
// 把变量值转为json字符串且<转为\u003c,>转为\u003e,&转为\u0026
func Escape2json(v interface{}) ([]byte, error) {
writer := bytes.Buffer{}
encoder := json.NewEncoder(&writer)
encoder.SetEscapeHTML(true)
err := encoder.Encode(v)
if err != nil {
return nil, err
}
b := writer.Bytes()
return b[:len(b)-1], nil
}
// 把变量值转为json字符串且\u003c转为<,\u003e转为>,\u0026转为&
func Unescape2json(v interface{}) ([]byte, error) {
writer := bytes.Buffer{}
encoder := json.NewEncoder(&writer)
encoder.SetEscapeHTML(false)
err := encoder.Encode(v)
if err != nil {
return nil, err
}
b := writer.Bytes()
return b[:len(b)-1], nil
}
func GetJsonAllKeys(str string) []string {
var ret []string
m := map[string]interface{}{}
_ = JsonUnmarshal(str, &m)
for k, _ := range m {
ret = append(ret, k)
}
return ret
}