if($code['result_code'] !='FAIL')

    {

        echo "<script type='text/javascript'>

        alert('退款成功,请耐心等待');history.back();

    </script>";

        //echo "退款成功";

        ;

    }else{

        echo "<script type='text/javascript'>

        alert('退款失败,请联系客服~~~');history.back();

    </script>";

    }