private IAccountService _accountService { get; set; }

        #region 检测账户是否存在        public ActionResult CheckAccountIfExist(string Acc_account)        {            if (_accountService.GetByAccount(Acc_account) != null)            {                JsonResult["account_exist"] = true;            }            else            {                JsonResult["account_exist"] = false;            }            return Json(JsonResult);        }        #endregion