php download.php实现代码 跳转到下载文件(response.redirect)_php教程-查字典教程网
php download.php实现代码 跳转到下载文件(response.redirect)
php download.php实现代码 跳转到下载文件(response.redirect)
发布时间:2016-12-29 来源:查字典编辑
摘要:跳转核心代码实现。复制代码代码如下:if(isset($link)){Header("HTTP/1.1303SeeOther");Heade...

跳转核心代码实现。

复制代码 代码如下:

if (isset($link))

{

Header("HTTP/1.1 303 See Other");

Header("Location: $link");

exit;

}

下面是国外的一篇文章说明。

Hey Chris:

On Wed, Jan 26, 2005 at 12:28:19PM -0500, csnyder wrote:

>

> <?php

> // process form

> ...

> // redirect to results page

> header( 'HTTP/1.1 303 See Other' );

> header( 'Location: result.html' );

> exit( 'Form submitted, <a href="result.html">continue</a>.' );

> ?>

Good point. But some feedback here. The optimail syntax is:

<?php

// process form

// ...

// redirect to results page

header('Status: 303 See Other' );

header('Location: http://www.jb51.net/result.html');

?>

Here's why...

Using "Status:" in the header is better because the resulting headers from

Apache are more correct:

HTTP/1.1 303 See Other

instead of

HTTP/1.1 303

Additionally, one doesn't really know which version of HTTP is being used,

so why potentially cause problems by trying to guess.

The specs say location headers must have a complete URI in them, not just

the path.

Lastly, you don't want any output after the location header.

Later,

--Dan

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