public ActionResult Add(RoleModel Rmodel) { try { _business.Add(Rmodel); return(Json(new { State = true, Message = "添加成功" })); } catch (AppException ex) { return(Json(new { State = false, Message = ex.Message })); } catch (Exception) { return(Json(new { State = false, Message = "未知错误,请联系管理人员" })); } }