<script>
function show(){
var date = new Date(); //日期对象
var now = "";
now = date.getFullYear()+"年"; //读英文就行了
now = now + (date.getMonth()+1)+"月"; //取月的时候取的是当前月-1如果想取当前月+1就可以了
now = now + date.getDate()+"日";
now = now + date.getHours()+"时";
now = now + date.getMinutes()+"分";
now = now + date.getSeconds()+"秒";
document.getElementById("nowDiv").innerHTML = now; //div的html是now这个字符串
setTimeout("show()",1000); //设置过1000毫秒就是1秒，调用show方法
}
</script>
<body onload="show()"> <!-- 网页加载时调用一次 以后就自动调用了-->
<div id="nowDiv"></div>
</body>