//查询余额 public ActionResult Remaining(string UserId) { DefaultResult res = new DefaultResult(); try { double Sum = paymentbll.queryRemainSum(UserId); res.Code = "0000"; res.Data = Sum; res.Message = "查询余额成功"; } catch (Exception e) { res.Code = "0201"; res.Data = ""; res.Message = e.InnerException == null ? e.Message : e.InnerException.Message; } return(Json(res, JsonRequestBehavior.AllowGet)); }