<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<h1 id="date_time"></h1>
<script type="text/javascript">
function getweek(option){
// switch(option){
// case 1:
// return "周一";
// case 2:
// return "周二";
// case 3:
// return "周三";
// case 4:
// return "周四";
// case 5:
// return "周五";
// case 6:
// return "周六";
// case 7:
// return "周日";
//}
var week = "日一二三四五六".charAt(option);
return "星期"+week;
}
function showTime(){
var dateTime=new Date();
var year = dateTime.getFullYear();
var month= dateTime.getMonth()+1;
month=month<10?"0"+month:month;
var date=dateTime.getDate();
date=date<10?"0"+date:date;
var hour=dateTime.getHours();
hour=hour<10?"0"+hour:hour;
var minute = dateTime.getMinutes();
minute=minute<10?"0"+minute:minute;
var second = dateTime.getSeconds();
second=second<10?"0"+second:second;
var day=dateTime.getDate();
var week=getweek(dateTime.getDay());
dateTime=year+"年"+month+"月"+date+"日"+ " " + week+ " " +hour+":"+minute+":"+second;
console.log(dateTime);
document.getElementById("date_time").innerHTML=dateTime;
}
showTime();
setInterval("showTime()",1000);
</script>
</body>
</html>
