top.location.href ,,顶级窗口的地址
this.location.href ,当前窗口的地址
#测试网址:,,,,,http://localhost/blog/testurl.php?id=5//获取域名或主机地址,
echo $ _SERVER HTTP_HOST”。“& lt; br>”; # localhost//获取网页地址,
echo $ _SERVER PHP_SELF”。“& lt; br>”; #/博客/testurl.php//获取网址参数,
echo $ _SERVER“QUERY_STRING”。“& lt; br>”; # id=5//获取用户代理,
_SERVER echo [' HTTP_REFERER ']。“& lt; br>”,,//获取完整的url
_SERVER echo “http://薄' HTTP_HOST ']。$ _SERVER (“REQUEST_URI”);
_SERVER echo “http://薄' HTTP_HOST ']。$ _SERVER‘PHP_SELF’。‘?’$ _SERVER (“QUERY_STRING”);
# http://localhost/blog/testurl.php?id=5//包含端口号的完整的url
_SERVER echo “http://薄' SERVER_NAME '],‘:’。$ _SERVER _SERVER“SERVER_PORT”。(“REQUEST_URI”),,
# http://localhost: 80/博客/testurl.php ? id=5//只取路径
$ url=' http://'。$ _SERVER _SERVER SERVER_NAME”。(“REQUEST_URI”),,
echo 目录名($ url);
# http://localhost/blog
