public ActionResult Login() { ReturnObject ro = new ReturnObject(); string UserName = this.Request.Form["UserName"]; string Password = this.Request.Form["Password"]; User user = LoginUtils.ValidateUser(UserName, Password); if (user == null) { ro.ErrorMessage = "用户名或密码错误!"; } else { UserUtils.SetUser(user); ro.AddData("Link", "BroadcastAdmin"); } return(Content(Newtonsoft.Json.JsonConvert.SerializeObject(ro))); }