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);