<div id="time1">
<script type="text/javascript">
//非动态显示
//document.getElementById('time1').innerHTML=new Date().toLocaleString()+' 星期'+'日一二三四五六'.charAt(new Date().getDay());
//动态显示
setInterval("document.getElementById('time1').innerHTML=new Date().toLocaleString()+' 星期'+'日一二三四五六'.charAt(new Date().getDay());",1000);
</script>
</div>
参考:https://blog.csdn.net/u010096526/article/details/48897345
//JSP 静态的获取一次系统当前的时间,只要放到需要展示的地方
<%=(new java.util.Date()).toLocaleString()%>
参考:https://blog.csdn.net/aitcax/article/details/41285305