javascript实现：top.location.href 顶级窗口的地址
this.location.href 当前窗口的地址
PHP实现
#测试网址: http://localhost/blog/testurl.php?id=5
//获取域名或主机地址
echo $_SERVER['HTTP_HOST']."<br>";
#localhost
//获取网页地址
echo $_SERVER['PHP_SELF']."<br>";
#/blog/testurl.php
//获取网址参数
echo $_SERVER["QUERY_STRING"]."<br>";
#id=5
//获取用户代理
echo $_SERVER['HTTP_REFERER']."<br>"
;
//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/blog/testurl.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/blog/testurl.php?id=5
//只取路径
$url='http://'.
$_SERVER['SERVER_NAME'].
$_SERVER["REQUEST_URI"
];
echo dirname(
$url);
#http://localhost/blog
转载于:https://www.cnblogs.com/hgj123/p/4968438.html
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