public static function sock_get ($url, $data)
    {$query_str = http_build_query ($data);

        $info = parse_url ($url);
        $fp = fsockopen ($info ["host"], 80, $errno, $errstr, 3);
        //$head = "GET".$info ['path']."?".$info ["query"]."HTTP/1.0\r\n";
        $head = "GET".$info ['path']."?".$query_str."HTTP/1.0\r\n";
        $head .= "Host:".$info ['host']."\r\n";
        $head .= "\r\n";
        fputs ($fp, $head);
        usleep (300000); // 等待 300 ms
        fclose ($fp);
    }