jsp动态显示时间

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<head>
    <base href="<%=basePath%>">

    <title>My JSP 'MyJsp.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">


</head>
<script language="javascript">
function nowTime(ev,type){
/*
   * ev:显示时间的元素
   * type:时间显示模式.若传入12则为12小时制,不传入则为24小时制
   */
//年月日时分秒
var Y,M,D,W,H,I,S;
//月日时分秒为单位时前面补零
function fillZero(v){
if(v<10){v='0'+v;}
return v;
}
(function(){
var d=new Date();
var Week=['星期天','星期一','星期二','星期三','星期四','星期五','星期六'];
Y=d.getFullYear();
M=fillZero(d.getMonth()+1);
D=fillZero(d.getDate());
W=Week[d.getDay()];
H=fillZero(d.getHours());
I=fillZero(d.getMinutes());
S=fillZero(d.getSeconds());
//12小时制显示模式
if(type && type==12){
//若要显示更多时间类型诸如中午凌晨可在下面添加判断
if(H<=12){
H='上午'+H;
}else if(H>12 && H<24){
H-=12;
H='下午'+fillZero(H);
}else if(H==24){
H='下午00';
}
}
ev.innerHTML=Y+'年'+M+'月'+D+'日 '+''+W+''+H+':'+I+':'+S;
//每秒更新时间
setTimeout(arguments.callee,1000);
})();
}
</script>
<body onload="nowTime(nowtime,24);">
    <p id="nowtime"></p>
</body>
</html>

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