<script>
console.log("URL 的协议部分=="+window.location.protocol);
console.log("主机头=="+window.location.host);
console.log("URL 的端口部分=="+window.location.port);
console.log("URL 的路径部分=="+window.location.pathname);
console.log("查询(参数)部分=="+window.location.search);
console.log("锚点=="+window.location.hash);
if(window.location.host=="xxx.com"){
window.location='http://www.xxx.com/'
}
</script>
