packageutilimport("encoding/base64""errors")funcBase64Encode(deText[]byte)[]byte{return[]byte(base64.StdEncoding.EncodeToString(deText))}funcBase64Decode(enText[]byte)([]byte,error){deText,err:=base64.StdEncoding.DecodeString(string(enText))iferr!=nil{returnnil,errors.New("basedecodeerror!")}returndeText,nil}