public ActionResult Index(AccountViewModel account)
        {
            string name = Account.AllowAccount(account);

            if (name != null)
            {
                SessionHelp.Set("UserName", name);
                return(RedirectToAction("Index", "Home"));
            }

            ViewBag.error = "账号密码有误";
            return(View());
        }
 public string GetAllOperate(string User, string Password)
 {
     try
     {
         string name = Account.AllowAccount(new AccountViewModel {
             User = User, Password = Password
         });
         if (name != null)
         {
             DateTime date = DateTime.Now.AddDays(-5);
             var      data = (from a in operate.GetAll("OperationNews_tb") where Convert.ToDateTime(a.createdAt) > date && a.User != name orderby a.createdAt descending select a).ToList();
             return(JsonConvert.SerializeObject(data));
         }
         else
         {
             return(null);
         }
     }
     catch (Exception e)
     {
         return(e.Message);
     }
 }