/**
* 生成支付跳转链接
*
* @return Wap支付中心URL
* @throws Exception Wap支付中心连接异常, Wap支付中心初始化返回异常
*/
function getURL()
{
$paraString = parent::genParaStr();
$domain = parent::getDomain();
$url = $domain . parent::$this->WAP_PAY_OPPOSITE_ADDRESS . '?' . $paraString;
try {
$http = new HttpClientUtil();
$util = new XmlParseUtil();
$str = $http->httpClientCall($url, "utf-8");
$wapPayInitResponse = new WapPayInitResponse($util->openapiXmlToMap($str, "utf-8"), parent::getSecretKey());
} catch (SDKRuntimeException $e) {
die($e->errorMessage());
throw new SDKRuntimeException('Wap支付中心连接异常.' . $e->getMessage(), e);
}
if ($wapPayInitResponse && $wapPayInitResponse->isRetCodeOK()) {
return $wapPayInitResponse->getURL();
} else {
throw new SDKRuntimeException('Wap支付中心初始化返回异常.' . $wapPayInitResponse->getMessage());
}
}