PHP重定向的3种方式
本文介绍了“PHP重定向的3种方式”，需要的朋友可以参考一下.
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 [,int http_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
< ?php
//重定向浏览器
header("Location: http://blog.csdn.net/abandonship");
//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，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。
< meta http-equiv="refresh" content="1;url=http://blog.csdn.net/abandonship">
例，以下程序meta.php实现在该页面中停留一秒后页面自动跳转。
<?php $url = "http://blog.csdn.net/abandonship"; ?> <html> <head> <meta http-equiv="refresh" content="1;url=<?php echo $url; ?>"> </head> <body> It's transit station. </body> </html>
PHP页面跳转三、JavaScript
<?php $url = "http://blog.csdn.net/abandonship"; echo "<script type='text/javascript'>"; echo "window.location.href='$url'"; echo "</script>"; ?>
以上就是对PHP重定向的3种方式的全部介绍，如果您想了解更多有关php编程入门，请关注PHP中文网。
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