public ActionResult Login(HomeLoginRequest model)
        {
            model.Trim();

            if (_manageService.Login(model.UserName, model.Password.ToMd5()))
            {
                Response.Cookies.Add(new HttpCookie(UserAuthorizationAttribute.CookieUserName, model.UserName));
                return RedirectToAction("Index");
            }

            ModelState.AddModelError("_error", "登录密码错误或用户不存在或用户被禁用。");

            return View();
        }
        public ActionResult Login(HomeLoginRequest model)
        {
            model.Trim();

            var loginUserSession = _manageService.GetUserSession(model.UserName, model.Password.ToMd5(), Request.UserHostAddress);

            if (loginUserSession != null)
            {
                Session[Session.SessionID] = loginUserSession;

                var userCookie = new HttpCookie(UserAuthorizationAttribute.CookieUserName, model.UserName);

                Response.Cookies.Add(userCookie);

                return RedirectToAction("Index");
            }

            ModelState.AddModelError("_error", "登录密码错误或用户不存在或用户被禁用。");

            return View();
        }