Home Backend Development PHP Tutorial 探讨PHP页面跳转几种实现技巧

探讨PHP页面跳转几种实现技巧

Jun 20, 2016 pm 12:57 PM

Web系统中,从一个网页跳转到另一个网页,是LAMP项目中最常用的技术之一。页面跳转可能是由于用户单击链接、按钮等引发的,也可能是系统自动产生的。此处介绍PHP中常用的实现页面自动跳转的方法。

PHP页面跳转一、header()函数

header()函数是PHP中进行页面跳转的一种十分简单的方法。header()函数的主要功能是将HTTP协议标头(header)输出到浏览器。

header()函数的定义如下:

void header (string string [,bool replace [,inthttp_response_code]])

可选参数replace指明是替换前一条类似标头还是添加一条相同类型的标头,默认为替换。

第二个可选参数http_response_code强制将HTTP相应代码设为指定值。header函数中Location类型的标头是一种特殊的header调用,常用来实现页面跳转。注意:1.location和“:”号间不能有空格,否则不会跳转。

2.在用header前不能有任何的输出。

3.header后的PHP代码还会被执行。例如,将浏览器重定向到lamp兄弟连官方论坛

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//重定向浏览器

header( "Location: http://bbs.lampbrother.net" );

//确保重定向后,后续代码不会被执行

exit ;

?>

PHP页面跳转二、Meta标签

Meta标签是HTML中负责提供文档元信息的标签

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$url = "http://bbs.lampbrother.net" ; 

echo "

echo "window.location.href='$url'" ; 

echo "" ; 

?>

,在PHP程序中使用该标签,也可以实现页面跳转。若定义http-equiv为refresh,则打开该页面时将根据content规定的值在一定时间内跳转到相应页面。

若设置content="秒数;url=网址",则定义了经过多长时间后页面跳转到指定的网址。例如,使用meta标签实现疫苗后页面自动跳转到LAMP兄弟连官方论坛。

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例如,以下程序meta.php实现在该页面中停留一秒后页面自动跳转到bbs.lampbrother.net。

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php  $ url = "http://bbs.lampbrother.net" ; ?>

  

  

    ">  

head >  

  

    页面只停留一秒……  

body >

html >

PHP页面跳转三、JavaScript

例如,此代码可以放在程序中的任何合法位置。

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$url = "http://bbs.lampbrother.net" ; 

echo "

echo "window.location.href='$url'" ;

echo "" ;

?>

echo ‘aaaa’;
Copy after login
<?php  $url = "http://bbs.lampbrother.net";  echo "<script language='javascript' type='text/javascript'>";  echo "window.location.href='$url'"; echo "</script>";?>
Copy after login


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