ftp数据写入本地

 function downfile($fileurl){

        $filename=$fileurl;

        $file   =   fopen($filename, "rb");

        Header( "Content-type:   application/html ");

        Header( "Accept-Ranges:   bytes ");

        Header( "Content-Disposition:   attachment;   filename= 52qiuxue.html");

        $contents = "";

        while (!feof($file)) {

          $contents .= fread($file, 8192);

        }

        echo $contents;

        fclose($file);

    }

    $url="http://luntantest.21eedu.com/portal.php";

    downfile($url);