文件夹操作类

$url = "http://order.jd.com/center/list.action";
$data = myfopen($url);
var_dump($data);
function ($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $ip = '', $timeout = 15, $block = TRUE) {
    $return = '';
    $matches = parse_url($url);
    $host = $matches['host'];
    @$path = $matches['path'] ? $matches['path'].'?'.$matches['query'].'#'.$matches['fragment'] : '/';
    $port = !empty($matches['port']) ? $matches['port'] : 80;
    
    if($post) {
        $out = "POST $path HTTP/1.0rn";
        $out .= "Accept: */*rn";
        
        $out .= "Accept-Language: zh-cnrn";
        $out .= "Content-Type: application/x-www-form-urlencodedrn";
        $out .= "User-Agent: $_SERVER[HTTP_USER_AGENT]rn";
        $out .= "Host: $hostrn";
        $out .= 'Content-Length: '.strlen($post)."rn";
        $out .= "Connection: Closern";
        $out .= "Cache-Control: no-cachern";
        $out .= "Cookie: $cookiernrn";
        $out .= $post;
    } else {
        $out = "GET $path HTTP/1.0rn";
        $out .= "Accept: */*rn";
        
        $out .= "Accept-Language: zh-cnrn";
        $out .= "User-Agent: $_SERVER[HTTP_USER_AGENT]rn";
        $out .= "Host: $hostrn";
        $out .= "Connection: Closern";
        $out .= "Cookie: $cookiernrn";
    }
    $fp = @fsockopen(($ip ? $ip : $host), $port, $errno, $errstr, $timeout);
    
    if(!$fp) {
        return '';
    } else {
        stream_set_blocking($fp, $block);
        stream_set_timeout($fp, $timeout);
        @fwrite($fp, $out);
        $status = stream_get_meta_data($fp);
        if(!$status['timed_out']) {
            $firstline=true;
            while (!feof($fp)) {
                $header = @fgets($fp);
                var_dump($header);exit;
                if($firstline && (false===strstr($header,'200')) ){
                    return '';
                }
                $firstline=false;
                if( $header  && ($header == "rn" ||  $header == "n") ) {
                    break;
                }
            }
            $stop = false;
            while(!feof($fp) && !$stop) {
                $data = fread($fp, ($limit == 0 || $limit > 8192 ? 8192 : $limit));
                $return .= $data;
                if($limit) {
                    $limit -= strlen($data);
                    $stop = $limit <= 0;
                }
            }
        }
        @fclose($fp);
        return $return;
    }
}