public function getResponse($notify_id)
{
$transport = strtolower(trim($this->alipay_config['transport']));
$partner = trim($this->alipay_config['partner']);
$veryfy_url = '';
if ($transport == 'https') {
$veryfy_url = $this->https_verify_url;
} else {
$veryfy_url = $this->http_verify_url;
}
$veryfy_url = $veryfy_url . 'partner=' . $partner . '¬ify_id=' . $notify_id;
$responseTxt = getHttpResponseGET($veryfy_url, $this->alipay_config['cacert']);
return $responseTxt;
}