public bool getCode()
        {
            var    smsHelper = new SMSHelper();
            string mobile, code = "";

            try
            {
                UserBll uBll = new UserBll();
                mobile = Request.Params["mobile"].ToString();
                if (uBll.CheckCanSendSms(mobile))
                {
                    code = DateTime.Now.ToString("ssff");
                    //code = "1234";
                    Session["generate_code"] = code;
                    smsHelper.SendSms(mobile, code);
                    SMSLog smsLog = new SMSLog()
                    {
                        telephone = mobile, content = code, Browser = Request.Browser.Browser, ip = Request.UserHostAddress, kdate = DateTime.Now
                    };
                    uBll.AddUserSMSLog(smsLog);
                }
                return(true);
            }
            catch (Exception)
            {
                return(false);
            }
        }