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JavaScript实时显示系统时间

2016-08-30 09:36 597 查看
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>无标题文档</title>

<script language="javascript">

function relTime(clock){
var now = new Date();
var day = now.getDay();
var year = now.getFullYear();
var month = now.getMonth();
var date = now.getDate();
var hour = now.getHours();
var minute = now.getMinutes();
var second = now.getSeconds();
var week = ["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
var time = year+"年"+(month+1)+"月"+date+"日"+week[day]+" "+hour+":"+minute+":"+second;
clock.innerHTML="当前时间:"+time;
}

window.onload=function(){
window.setInterval("relTime(clock)",1000);
}

</script>

</head>

<body>
<div id="clock"></div>

</body>

</html>
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