PHP获取当前页面完整URL的方法
一、利用javascript实现:
top.location.href
顶级窗口的地址
this.location.href
当前窗口的地址
二、利用PHP实现
http://localhost/PHP/XX.php?id=5
//获取域名或主机地址
echo $_SERVER['HTTP_HOST']; #localhost
//获取网页地址
echo $_SERVER['PHP_SELF']; #/PHP/XX.php
//获取网址参数
echo $_SERVER["QUERY_STRING"]; #id=5
//获取用户代理
echo $_SERVER['HTTP_REFERER'];
//获取完整的url
echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']; echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING']; #http://localhost/PHP/XX.php?id=5
//包含端口号的完整url
echo 'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"]; #http://localhost:80/PHP/XX.php?id=5
//只取路径
$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"]; echo dirname($url); #http://localhost/PHP
总结
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