public ActionResult Index([FromBody] AccountViewModel account) { try { var user = new UserModel { LoginName = account.UserName, Password = CommonUtil.Encrypt(account.Password) }; var result = BllLogin.Login(user); if (!string.IsNullOrEmpty(result)) { ViewBag.ErrorInfo = result; Session["User"] = null; return(View()); } user.TokenKey = Guid.NewGuid().ToString(); var cookie = FormsAuthentication.GetAuthCookie("Username", false); var ticket = FormsAuthentication.Decrypt(cookie.Value); if (ticket == null) { throw new Exception("无效票据"); } var newTicket = new FormsAuthenticationTicket(ticket.Version, ticket.Name, ticket.IssueDate, ticket.Expiration, ticket.IsPersistent, JsonConvert.SerializeObject(user)); cookie.Value = FormsAuthentication.Encrypt(newTicket); Response.Cookies.Set(cookie); Session["User"] = user; return(RedirectToAction("Index", "MapBoard")); } catch { return(View()); } }