NativePay::GetPrePayUrl PHP Метод

    public function GetPrePayUrl($productId)
    {
        $biz = new WxPayBizPayUrl();
        $biz->SetProduct_id($productId);
        $values = WxpayApi::bizpayurl($biz);
        $url = "weixin://wxpay/bizpayurl?" . $this->ToUrlParams($values);
        return $url;
    }

 /**
  * 组装包含支付信息的url(模式1)
  */
 public function get_payurls()
 {
     require_once BASE_PATH . '/api/payment/wxpay/lib/WxPay.Api.php';
     require_once BASE_PATH . '/api/payment/wxpay/WxPay.NativePay.php';
     require_once BASE_PATH . '/api/payment/wxpay/log.php';
     $logHandler = new CLogFileHandler(BASE_DATA_PATH . '/log/wxpay/' . date('Y-m-d') . '.log');
     $logwx = logwx::Init($logHandler, 15);
     $notify = new NativePay();
     return $notify->GetPrePayUrl($this->_order_info['pay_sn']);
 }