php 文件下载控制示例

本文实例讲述了php控制文件下载 ，感兴趣的小伙伴，下面一起跟随脚本之家 jb51.cc的小编来看看吧。
经测试代码如下：

/**
 * 控制文件下载
 *
 * @param 
 * @arrange (512.笔记) jb51.cc
 **/
$filename = $_GET['filename'];
 
// Modify this line to indicate the location of the files you want people to be able to download
// This path must not contain a trailing slash.  ie.  /temp/files/download
$download_path = "ficheros/";
 
// Make sure we can't download files above the current directory location.
if(eregi("..",$filename)) die("I'm sorry,you may not download that file.");
$file = str_replace("..","",$filename);
 
// Make sure we can't download .ht control files.
if(eregi(".ht.+",you may not download that file.");
 
// Combine the download path and the filename to create the full path to the file.
$file = "$download_path$file";
 
// Test to ensure that the file exists.
if(!file_exists($file)) die("I'm sorry,the file doesn't seem to exist.");
 
// Extract the type of file which will be sent to the browser as a header
$type = filetype($file);
 
// Get a date and timestamp
$today = date("F j,Y,g:i a");
$time = time();
 
// Send file headers
header("Content-type: $type");
header("Content-Disposition: attachment;filename=$filename");
header("Content-Transfer-Encoding: binary");
header('Pragma: no-cache');
header('Expires: 0');
// Send the file contents.
set_time_limit(0);
readfile($file);
 
?>

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