public ActionResult ForgetPwd(FormCollection collection)
        {
            string name = Request["username"];

            if (string.IsNullOrEmpty(name))
            {
                return(Content(ReturnMsg(Enum_Return.失败, "账号不能为空", null)));
            }
            string email = Request["email"];

            if (string.IsNullOrEmpty(email))
            {
                return(Content(ReturnMsg(Enum_Return.失败, "邮箱不能为空", null)));
            }
            string verify = Request["verify"];

            if (string.IsNullOrEmpty(verify))
            {
                return(Content(ReturnMsg(Enum_Return.失败, "验证码不能为空", null)));
            }
            if (Session["vcode"] == null || Session["vcode"].ToString() != verify)
            {
                return(Content(ReturnMsg(Enum_Return.失败, "验证码不正确", null)));
            }

            var model = db.guanwang_user.Where(c => c.userName == name && c.userEmail == email).FirstOrDefault();

            if (model == null)
            {
                return(Content(ReturnMsg(Enum_Return.失败, "验证失败", null)));
            }


            #region 重置密码并发送给用户
            //重置密码
            Random rdm = new Random();
            int    pwd = rdm.Next(100000, 999999);

            string md5pwd = pwd.ToString().Md5();
            model.userPwd    = md5pwd;
            model.updateTime = DateTime.Now;
            db.SaveChanges();

            //获取内容
            string htmlbody = MailHelper.CreateHtmlPage(name, pwd.ToString());
            //调用邮件类发送邮件
            bool send = MailHelper.Send(email, "捧起网后台找回密码", htmlbody);
            if (send)//发送成功
            {
                return(Content(ReturnMsg(Enum_Return.成功, "新的密码已发送到您的邮箱", email)));
            }
            else
            {
                return(Content(ReturnMsg(Enum_Return.失败, "重置失败", null)));
            }
            #endregion
        }
        public ActionResult ForgetPwd(FormCollection collection)
        {
            string email = Request["email"];

            if (string.IsNullOrEmpty(email))
            {
                return(Content(ReturnMsg(Enum_Return.失败, "邮箱地址不能为空!", null)));
            }

            var model = db.sys_user.Where(c => c.user_email == email).FirstOrDefault();

            if (model == null)
            {
                return(Content(ReturnMsg(Enum_Return.失败, "系统不存在此邮箱!", null)));
            }

            if (model.apply_status != (int)Enum_Member_Status.正常)
            {
                return(Content(ReturnMsg(Enum_Return.失败, "该用户异常,不允许使用此功能!", null)));
            }

            #region 发送邮件
            //生成激活码
            Guid   guid        = Guid.NewGuid();
            string activetoken = guid.ToString().Md5();
            //更新token和token时间
            model.email_token      = activetoken;
            model.email_token_time = DateTime.Now;
            int n = db.SaveChanges();
            if (n <= 0)
            {
                return(Content(ReturnMsg(Enum_Return.失败, "发送失败,请重试或联系管理员!", null)));
            }
            //拼接激活的url
            string host = Request.Url.Scheme + "://" + Request.Url.Authority;
            string url  = host + "/account/forgetpwdreset?email=" + email + "&token=" + activetoken;
            //获取内容
            string htmlbody = MailHelper.CreateHtmlPage(email, url);
            //调用邮件类发送邮件
            bool flag = MailHelper.Send(email, "找回密码链接", htmlbody);
            #endregion

            if (!flag)
            {
                return(Content(ReturnMsg(Enum_Return.失败, "发送失败,请重试或联系管理员!", null)));
            }

            return(Content(ReturnMsg(Enum_Return.成功, "发送成功,请登录" + email + "邮箱查看重置密码邮件!", null)));
        }