function create_hongbao_xml($retcode = 0, $reterrmsg = "ok")
{
try {
//var_dump($this->parameters);
$this->setParameter('sign', $this->get_sign());
//var_dump($this->parameters);
$commonUtil = new CommonUtil();
return $commonUtil->arrayToXml($this->parameters);
} catch (SDKRuntimeException $e) {
die($e->errorMessage());
}
}