package ecode const ( CAPTCHA_OK = iota CAPTCHA_CODE_ERR CAPTCHA_TIME_ERR ) var CAPTCHA_MSG = map[int]string{ CAPTCHA_OK: "验证成功", CAPTCHA_CODE_ERR: "验证码错误", CAPTCHA_TIME_ERR: "验证码超时,请刷新重试", } func Captcha(id int) *Ecode { code := new(Ecode) code.Code = id code.Msg = CAPTCHA_MSG[id] return code }