/**
* http 请求
* @param string $url
* @param array $params
* @param string $data
* @return string
*/
private static function _http($url, $params = array(), $data = null)
{
$curl = curl_init();
if(empty($data)){
$body = '';
if(!empty($params)) {
if (is_array($params)) {
$body = http_build_query($params);
}
}
}else{
$url = $url . (strpos($url, '?') ? '&' : '?') . (is_array($params) ? http_build_query($params) : $params);
$body = $data;
}
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_TIMEOUT, 3);
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, self::$_TIME_OUT);
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $body);
$urlArr = parse_url($url);
$port = empty($urlArr['port']) ? 80 : $urlArr['port'];
curl_setopt($curl, CURLOPT_PORT, $port);
curl_setopt($curl, CURLOPT_HTTPHEADER, array('Expect:'));
//获取的信息以文件流的形式返回,不直接输出
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($curl);
self::$_HTTP_CODE = curl_getinfo($curl, CURLINFO_HTTP_CODE);
self::$_HTTP_INFO = curl_getinfo($curl);
self::$_HTTP_ERROR_CODE = curl_errno($curl);
self::$_HTTP_ERROR = curl_error($curl);
curl_close($curl);
self::$_HTTP_RESPONSE = $response;
return $response;
}
