public ActionResult Index(UserDto dto) { Result result = null; User user; if ((user = UserManage.FindByAccount(dto.Account)) == null) { result = new Result { Status = false, Message = "用户不存在!" }; } else { if (user.Password == dto.Password) { Session["account"] = user.Account; result = new Result { Status = true, Message = "登陆成功!" }; } else { result = new Result { Status = false, Message = "账号或密码错误" }; } } return(Json(result, JsonRequestBehavior.AllowGet)); }