php或html网页跳转代码

2025-02-10 05:45:47
推荐回答(5个)
回答1:

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,将浏览器重定向到lamp兄弟连官方论坛

< ?php 
//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,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。

< meta http-equiv="refresh" content="1;url=http://bbs.lampbrother.net">


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。

< ?php   $url = "http://bbs.lampbrother.net"; ?> < html>   < head>   < meta http-equiv="refresh" content="1;  url=< ?php echo $url; ?>">   < /head>   < body>


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。

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

回答2:

很简单,用A页获取来路网址,然后在url中传值给B页
A页
$url = $_SERVER["HTTP_REFERER"]; //获取完整的来路URL
$str = str_replace("http://","",$url); //去掉http://
$strdomain = explode("/",$str); // 以“/”分开成数组
$domain = $strdomain[0]; //取第一个“/”以前的字符
header("Location: http://127.0.0.1/b.php?url=$domain");
?>

b页直接调用url这个参数值。

回答3:








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回答4:

PHP跳转使用header函数:

 header("Location: http://www.7993.org"); 
//注意在这个header函数前不能有任何的页面输出。否者会报错。

HTML跳转:


< meta http-equiv="refresh" content="2;url=http://www.7993.org">

回答5:

在A中加上一句

直接从A跳到B中了

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