保存在服务器

Question

我正在使用以下代码下载保存在服务器上的文件....现在我的问题是，当某些东西地址如“ http：127.0.0.0/upload/abc”时，我无法下载文件。 pdf “文件....但我能够使用upload / abc.pdf下载文件我想从不同的服务器上保存在不同服务器上的不同文件夹下载我的文件与不同服务器上的php在不同的服务器上如何做到这一点.....必须要求帮助......在此先感谢....

<?php
    function output_file($file, $name, $mime_type='')
    {
     //if(!is_readable($file)) die('File not found or inaccessible!');
     $size = filesize($file);
     $name = rawurldecode($name);

     /* Figure out the MIME type | Check in array */
     $known_mime_types=array(
        "htm" => "text/html",
        "exe" => "application/octet-stream",
        "zip" => "application/zip",
        "doc" => "application/msword",
        "jpg" => "image/jpg",
        "php" => "text/plain",
        "xls" => "application/vnd.ms-excel",
        "ppt" => "application/vnd.ms-powerpoint",
        "gif" => "image/gif",
        "pdf" => "application/pdf",
        "txt" => "text/plain",
        "html"=> "text/html",
        "png" => "image/png",
        "jpeg"=> "image/jpg"
     );

     if($mime_type==''){
         $file_extension = strtolower(substr(strrchr($file,"."),1));
         if(array_key_exists($file_extension, $known_mime_types)){
            $mime_type=$known_mime_types[$file_extension];
         } else {
            $mime_type="application/force-download";
         };
     };

     //turn off output buffering to decrease cpu usage
     @ob_end_clean(); 

     // required for IE, otherwise Content-Disposition may be ignored
     if(ini_get('zlib.output_compression'))
     ini_set('zlib.output_compression', 'Off');
     header('Content-Type: ' . $mime_type);
     header('Content-Disposition: attachment; filename="'.basename($name).'"');
     header("Content-Transfer-Encoding: binary");
     header('Accept-Ranges: bytes');

     // multipart-download and download resuming support
     if(isset($_SERVER['HTTP_RANGE']))
     {
        list($a, $range) = explode("=",$_SERVER['HTTP_RANGE'],2);
        list($range) = explode(",",$range,2);
        list($range, $range_end) = explode("-", $range);
        $range=intval($range);
        if(!$range_end) {
            $range_end=$size-1;
        } else {
            $range_end=intval($range_end);
        }

        $new_length = $range_end-$range+1;
        header("HTTP/1.1 206 Partial Content");
        header("Content-Length: $new_length");
        header("Content-Range: bytes $range-$range_end/$size");
     } else {
        $new_length=$size;
        header("Content-Length: ".$size);
     }

     /* Will output the file itself */
     $chunksize = 1*(1024*1024); //you may want to change this
     $bytes_send = 0;
     if ($file = fopen($file, 'r'))
     {
        if(isset($_SERVER['HTTP_RANGE']))
        fseek($file, $range);

        while(!feof($file) && 
            (!connection_aborted()) && 
            ($bytes_send<$new_length)
              )
        {
            $buffer = fread($file, $chunksize);
            echo($buffer); 
            flush();
            $bytes_send += strlen($buffer);
        }
     fclose($file);
     } else
     //If no permissiion
     die('Error - can not open file.');
     //die
    die();
    }
    //Set the time out
    set_time_limit(0);

    //path to the file

    /*$c=$_REQUEST['filename'];
    $path=basename($c);
    echo $path;
    $file_path='uploads/'.$path;
    */
    $file_path=$_REQUEST['filename'];

    //Call the download function with file path,file name and file type
    output_file($file_path, ''.$_REQUEST['filename'].'', 'text/plain');
    ?>

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