package main import (     "bytes"     "encoding/binary"     "encoding/hex"     "fmt"     "strings" ) func main() {     str := `\u5bb6\u65cf`     fmt.Println(u2s(str)) } func u2s(form string) (to string, err error) {     bs, err := hex.DecodeString(strings.Replace(form, `\u`, ``, -1))     if err != nil {         return     }     for i, bl, br, r := 0, len(bs), bytes.NewReader(bs), uint16(0); i < bl; i += 2 {         binary.Read(br, binary.BigEndian, &r)         to += string(r)     }     return }