download.php
<html>
<head></head>
<body>
<a href="1.rar">下载1.rar</a><br/>
<a href="yun.jpeg">下载图片</a><br>
<a href="doDownload.php?filename=yun.jpeg">通过程序下载jpeg</a><br/>
<a href="doDownload.php?filename=../uploads/yun.jpeg">下载yun</a>
</body>
</html>
doDownload.php
<?php
$filename = $_GET['filename'];
header('content-disposition:attachment;filename=' . basename($filename));
header('content-length:' . filesize($filename));
readfile($filename);
?>
Paste_Image.png
