获取当前时间并显示在页面上，顶部span的id为clock，底部span的id为footyear
<span><span> <!--顶部span的id为clock--><div>Copyright © - <span></span> Topinland. All Rights Reserved.<em>青岛天品网络科技有限公司 版权所有</em> <!--底部span的id为footyear--></div><script type="text/javascript">function clo
