/// <summary>
        /// 发送邮件成功
        /// </summary>
        /// <param name="username"></param>
        /// <returns></returns>
        public ActionResult SendMailComplete(string username = "")
        {
            if (Session["ValidEmail"] == null || string.IsNullOrEmpty(Session["ValidEmail"].ToString()))
            {
                TempData["info"] = "验证码过期,请重新找回";
                return(RedirectToAction("ForgotPwd", "User"));
            }
            ViewBag.Email = Session["ValidEmail"].ToString();
            var timenow  = DateTime.Now;
            var relative = Url.Action("ChangePassword", "User",
                                      new
            {
                name   = Encrypt.EncryptString(username),
                active = Encrypt.EncryptString(DateTime.Now.ToString(CultureInfo.InvariantCulture))
            });

            if (Request.Url != null)
            {
                var url = Request.Url.OriginalString.Replace(Request.Url.PathAndQuery, "") + relative;

                var alink   = string.Format("<a href='{0}'>{0}</a>", url);
                var content = string.Format("亲爱的用户 {0}: 您好!<br /> <br />您收到这封这封电子邮件是因为您 (也可能是某人冒充您的名义) 申请了一个新的密码。假如这不是您本人所申请, 请不用理会这封电子邮件, 但是如果您持续收到这类的信件骚扰, 请您尽快联络管理员。" +
                                            "<br /> 要使用新密码,请使用以下链接启用密码。<br />{1}(如果无法点击该URL链接地址,请将它复制并粘帖到浏览器的地址输入框,然后单击回车即可。该链接使用后将立即失效。)<br />" +
                                            "注意:请您在收到邮件1个小时内({2}前)使用,否则该链接将会失效。<br /><br />",
                                            username, alink, timenow.AddHours(1));

                //send mail;
                try
                {
                    var res = _portalContext.SendMail(Session["ValidEmail"].ToString(), content, "找回密码");
                    if (!res)
                    {
                        TempData["error"] = "邮件发送失败,请确认邮箱是否正确";
                    }
                    else
                    {
                        //  AddFindPasswordLog(user.Id, user.UserName);
                    }
                }
                catch (Exception e)
                {
                    TempData["error"] = "邮件发送失败" + e.Message;
                }
            }
            return(View());
        }