curl http get
private function getHttpResponseGET($url) {
$curl = curl_init($url);
curl_setopt($curl,CURLOPT_TIMEOUT, 20);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);// 显示输出结果
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);//SSL证书认证
$responseText = curl_exec($curl);
//var_dump( curl_error($curl) );exit;//如果执行curl过程中出现异常,可打开此开关,以便查看异常内容
curl_close($curl);
return $responseText;
}