php download.php实现代码 跳转到下载文件(response.redirect)

yipeiwu_com6年前PHP代码库
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: //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

相关文章

php 浮点数比较方法详解

浮点数运算精度问题 首先看一个例子: <?php $a = 0.1; $b = 0.9; $c = 1; var_dump(($a+$b)==$c); var_dump...

深入浅出讲解:php的socket通信原理

深入浅出讲解:php的socket通信原理

对TCP/IP、UDP、Socket编程这些词你不会很陌生吧?随着网络技术的发展,这些词充斥着我们的耳朵。那么我想问: 1.  什么是TCP/IP、UDP? 2. ...

php实现TCP端口检测的方法

本文实例讲述了php实现TCP端口检测的方法。分享给大家供大家参考。具体如下: 该程序可以确认当前端口是否可用: <?php class Health { publ...

PHP中常见的缓存技术实例分析

本文实例分析了PHP中常见的缓存技术。分享给大家供大家参考。具体如下: JBLOG在开发的过程中,对性能的优化做了不少工作。为了尽量减少不必要的数据库查询,我对一些数据进行了缓存和静态化...

php中实现获取随机数组列表的自定义函数

贴一段代码,在php中获取随机数组 不用多说,直接贴代码,php中的array_rand很变态,突破了正常人的理解,繁琐 function create_random_ids( $m...