/**
* 以post方式提交xml到对应的接口url
*
* @param string $xml 需要post的xml数据
* @param string $url url
* @param bool $useCert 是否需要证书，默认不需要
* @param int $second url执行超时时间，默认30s
* @return mixed
* @throws WxPayException
*/
private function postXmlCurl($xml, $url, $useCert = false, $second = 30)
{
$ch = curl_init();
//设置超时
curl_setopt($ch, CURLOPT_TIMEOUT, $second);
//如果有配置代理这里就设置代理
if ($this->config->getCurlProxyHost() != "0.0.0.0" && $this->config->getCurlProxyPort() != 0) {
curl_setopt($ch, CURLOPT_PROXY, $this->config->getCurlProxyHost());
curl_setopt($ch, CURLOPT_PROXYPORT, $this->config->getCurlProxyPort());
}
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
//严格校验
//设置header
curl_setopt($ch, CURLOPT_HEADER, false);
//要求结果为字符串且输出到屏幕上
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
if ($useCert == true) {
//设置证书
//使用证书：cert 与 key 分别属于两个.pem文件
curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'PEM');
curl_setopt($ch, CURLOPT_SSLCERT, $this->config->getSslcertPath());
curl_setopt($ch, CURLOPT_SSLKEYTYPE, 'PEM');
curl_setopt($ch, CURLOPT_SSLKEY, $this->config->getSslkeyPath());
}
//post提交方式
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
//运行curl
$data = curl_exec($ch);
//返回结果
if ($data) {
curl_close($ch);
return $data;
} else {
$error = curl_errno($ch);
curl_close($ch);
throw new WxPayException("curl出错，错误码:{$error}");
}
}
