public ActionResult ReadData()
        {
            RWCardView rw = new RWCardView();

            rw.UserType = LYCard_util.ReadUserType();
            rw.UserId   = LYCard_util.ReadUserId();
            rw.RemainQL = LYCard_util.ReadRemainQL();
            rw.DQBH     = LYCard_util.ReadDQBH();
            return(Json(rw));
        }
        public string WriteData(RWCardView rw)
        {
            string lbResult = "";
            string data;

            data = rw.UserId;
            if (data == null)
            {
                lbResult += "输入用户ID错误";
            }
            else if (data.Length % 2 == 1)
            {
                lbResult += "输入用户ID错误";
            }
            else
            {
                lbResult += "用户ID:" + LYCard_util.WriteUserId(data);
            }
            data = rw.RemainQL;
            if (data == null)
            {
                lbResult += "输入剩余气量错误";
            }
            // else if (data.Length % 2 == 1) lbResult += "输入剩余气量错误";
            else
            {
                lbResult += "剩余气量:" + LYCard_util.WriteRemainQL(data);
            }
            data = rw.DQBH;
            if (data == null)
            {
                lbResult += "输入地区编号错误";
            }
            //  else if (data.Length % 2 == 1) lbResult += "输入地区编号错误";
            else
            {
                lbResult += "地区编号:" + LYCard_util.WriteDQBH(data);
            }

            return(lbResult);
        }