public async Task <ActionResult> AddPhoneNumber(AddPhoneNumberViewModel model) { if (!ModelState.IsValid) { return(View(model)); } // 生成令牌并发送该令牌 var code = await UserManager.GenerateChangePhoneNumberTokenAsync(User.Identity.GetUserId(), model.Number); if (UserManager.SmsService != null) { var message = new IdentityMessage { Destination = model.Number, Body = "你的安全代码是: " + code }; await UserManager.SmsService.SendAsync(message); } return(RedirectToAction("VerifyPhoneNumber", new { PhoneNumber = model.Number })); }