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;
        }
 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);
 }