curl post

//post方法
function postData($url, $data)
{
   $ch = curl_init();
   $timeout = 300;
   curl_setopt($ch, CURLOPT_URL, $url);
   curl_setopt($ch, CURLOPT_REFERER, "");   //构造来路
   curl_setopt($ch, CURLOPT_POST, true);
   curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
   curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
   curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
   $handles = curl_exec($ch);
   curl_close($ch);
   return $handles;
}