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PHP实现301跳转,及延时跳转代码

Jun 08, 2016 pm 05:20 PM
location nbsp quot window

301跳转必须由程序或服务器来实现,如果是页面跳转可以使用js或页面html来实现,下面我们先来介绍页面跳转,然后再介绍301跳转了.

<script>ec(2);</script>


一般情况下,此类跳转是302跳转,只是暂时性跳转,如果需要进行永久重写向(SEO上比较有用),可如下实现:

header("HTTP/1.1 301 Moved Permanently");
header("Location: redirect.php");


平时我们使用html做页面的时候,都会碰到定时刷新,可以看到如下标签:

表示每隔两秒刷新一次页面,实际上是重定向到页面。

由此,PHP根据HTTP协议,可以如下实现:

header( "refresh:2;url=refresh.php" );

1.window.location.href方式
   

2.window.navigate方式跳转
  

 

3.window.loction.replace方式实现页面跳转,注意跟第一种方式的区别

有3个jsp页面(1.aspx, 2.aspx, 3.aspx),进系统默认的是1.aspx,当我进入2.aspx的时候, 2.aspx里面用window.location.replace("3.aspx");

与用window.location.href ("3.aspx");

从用户界面来看是没有什么区别的,但是当3.aspx页面有一个"返回"按钮,调用window.history.go(-1); wondow.history.back();方法的时候,一点这个返回按钮就要返回2.aspx页面的话,区别就出来了,当用 window.location.replace("3.aspx");连到3.aspx页面的话,3.aspx页面中的调用 window.history.go(-1);wondow.history.back();方法是不好用的,会返回到1.aspx。

4.self.location方式实现页面跳转,和下面的top.location有小小区别
  

5.top.location
  

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