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源码：

<form method=”post”>
<input name=”url” size=”50″ />
<input name=”submit” type=”submit”  value=”Download”/>
</form>

<?php
// maximum execution time in seconds
set_time_limit (24 * 60 * 60);
if (!isset($_POST[‘submit’])) die();

// folder to save downloaded files to. must end with slash
$destination_folder = ‘temp/’;

$url = $_POST[‘url’];
$newfname = $destination_folder . basename($url);
$file = fopen ($url, “rb”);
if ($file)
{
$newfname = str_replace(“%20″, ” “, $newfname);
$newf = fopen ($newfname, “wb”);
if ($newf)
{
while(!feof($file))
{
fwrite($newf, fread($file, 1024 * 8 ), 1024 * 8 );
}
}
}

if ($file)
{
fclose($file);
}

if ($newf)
{
fclose($newf);
}
?>

用法：
1. 将php文件上传到php空间的某个目录下，在该目录下创建temp子目录。
2. 打开一个浏览器，在地址栏输入php文件的URL地址，然后把需要下载的文件的url拷到打开页面的输入框里，点右边的提交按钮。
3. 下载安成后到temp目录下去找，可以用ftp将文件下到本地。（此法常用于下载受限文件）

php源文件：downfile.php.txt （下载后把.txt去掉）

Tags: 下载

This entry was posted on 星期五, 11 12 月, 2009 at 10:56 and is filed under 原创软件. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.