用PHP实现页面跳转的三种方法
本篇文章是对PHP跳转页面的几种实现方法进行了详细的分析介绍,需要的朋友参考下
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,美国空间,常用来实现页面跳转。
注意:
1.location和“:”号间不能有空格,美国空间,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
代码如下:
< ?php //重定向浏览器 header("Location: 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,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。
代码如下:
< meta http-equiv = "refresh" content = "1;url=http:// bbs.lampbrother.net" >
例如,虚拟主机,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。
代码如下:
< html > < head > < meta http-equiv = "refresh" content ="1; url = < ?php echo $url; ?> " > < /head > < body > 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。
代码如下:
< ?php $ url = "http://bbs.lampbrother.net" ; echo " < script language = 'javascript' type = 'text/javascript' > "; echo " window.location.href = '$url' "; echo " < /script > "; ?>
以上就是我们向大家介绍的三种PHP页面跳转实现方法。
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