public JsonResult GetLabelInfoByRFID(string rfid) { ContractMvcWeb.Models.LabelContext db = new LabelContext(); Models.Beans.LabelInfo info= db.GetLabelInfoByRFID(rfid); JsonResult jsonResult = new JsonResult(); jsonResult.JsonRequestBehavior = JsonRequestBehavior.AllowGet; Result result = new Result( info !=null ? (int)ResultCodeEnum.Success : (int)ResultCodeEnum.Error, info!=null ? "查询成功" : "查无此标签", info); jsonResult.Data = result; return jsonResult; }