<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
function curTime(){
var now = new Date();
var year = now .getFullYear();
var month =add_zero( now .getMonth()+1);
var day =add_zero( now .getDate());
var dy = now .getDay();//获取星期
//星期格式化
var week;
switch (dy){
case 1: week="星期一"; break;
case 2: week="星期二"; break;
case 3: week="星期三"; break;
case 4: week="星期四"; break;
case 5: week="星期五"; break;
case 6: week="星期六"; break;
default: week="星期天";
}
var hour = add_zero(now .getHours());
var minute = add_zero(now .getMinutes());
var second = add_zero(now .getSeconds());
var time=year+"年"+month+"月"+day+"日"+" "+week+" "+hour+" :"+minute+" :"+second;
document.getElementById("curTime").innerHTML=time;
}
//给不满10的数字前面加0
function add_zero(temp)
{
if(temp<10) return "0"+temp;
else return temp;
}
//添加计时器，每一秒执行一次curTime()函数
setInterval("curTime()",1000);
</script>
</head>
<body>
<div id="curTime"></div>
</body>
</html>
显示效果：
2015年08月17日 星期一 11:38:45