controller

type LoginReq struct {
	UserName string `p:"username" v:"required|length:5,30#请输入登录账号|账号长度为：min-max位"`
	Password string `p:"password" v:"required|length:5,12#请输入密码|密码长度为：min-max位"`
	Captcha  string `p:"captcha" v:"required|length:4,6#请输入验证码|验证码长度不够"`
	IdKey    string `p:"idKey" v:"required#验证码KEY不能为空"`
}