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PHP中重新定向到另一个页面

Jun 21, 2016 am 09:10 AM
gt http lt quot url

页面

如何在PHP中从一个页面重定向到另外一个页面呢?这里列出了三种办法,供参考。

一、用HTTP头信息


也就是用PHP的HEADER函数。PHP里的HEADER函数的作用就是向浏览器发出由HTTP协议规定的本来应该通过WEB服务器的控制指令,例如声明返回信息的类型("Context-type: xxx/xxx"),页面的属性("No cache", "Expire")等等。
用HTTP头信息重定向到另外一个页面的方法如下:

if (isset($url))
{
Header("HTTP/1.1 303 See Other");[感谢李凌先生]
Header("Location: $url");
exit;
}
?>
注意一下,"Localtion:"后面有一个空格。

二、用HTML标记


用HTML标记,就是用META的REFRESH标记,举例如下:
if (!isset($url)) exit;?>


echo "";
?>



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