function RequestPOST($url, $paraArray, $timeout = 0)
{
    $curl = curl_init();
    $timeout = $timeout==0?100:$timeout;
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);    //对HTTPS时 不校验证书
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($curl, CURLOPT_HEADER, 0);
    curl_setopt($curl, CURLOPT_POST, 1);
    curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
    curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, $timeout);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $paraArray);
    curl_setopt($curl, CURLOPT_HTTPHEADER, arry(
      'Content-type: text/plain',    //传递格式
      'Content-length: 100'    
    ));



    $output = curl_exec($curl);
    $error = curl_error($curl);
    $code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
    curl_close($curl);

    if($code == '200')
    {
        // 成功返回
        $ret = json_decode($output, true);

    }else
    {

    }

    return $ret;
}