显示服务器时间的jsp页面,JSP获取服务器时间以倒计时的形式在页面显示

Calendar cal = Calendar.getInstance();

int hour = cal.get(cal.HOUR_OF_DAY);

int minute = cal.get(cal.MINUTE);

int month = cal.get(cal.MONTH);

int date = cal.get(cal.DATE);

int year = cal.get(cal.YEAR);

int second = cal.get(cal.SECOND);

%>

var NowHour = "";//Today.getHours();

var NowMinute = "";//Today.getMinutes();

var NowMonth = "";//Today.getMonth();

var NowDate = "";//Today.getDate();

var NowYear = "";//Today.getYear();

var NowSecond = "";//Today.getSeconds();

//获取服务端时间

function getTime(){

NowHour = ;

NowMinute = ;

NowMonth = ;

//NowMonth = (parseInt(NowMonth)+1);

NowDate = ;

NowYear = ;

NowSecond = ;

}

getTime();

startclock();

var timerID = null;

var timerRunning = false;

function showtime() {

var time='${enddate}';//获取数据库中结束时间或开始时间，然后开始计算离开始或结束还差多少时间

NowSecond = (parseInt(NowSecond)+1);

//-------------------------------------------------------------------

var a,a1,a2;

var EndTime ;

a = unescape('${enddate}').split(" "); //这是注释，此句是倒计时准确度的关键，调整成其他需要的时间即可，例如2012-12-20等。

if(a.length > 1){

a1 = a[0].split("-");

a2 = a[1].split(":");

EndTime= new Date(a1[0],a1[1] - 1,a1[2],a2[0],a2[1],a2[2]);

}

var NowTime= new Date(NowYear,NowMonth,NowDate,NowHour,NowMinute,NowSecond);

var nMS =EndTime.getTime() - NowTime.getTime();

var nD =Math.floor(nMS/(1000 * 60 * 60 * 24));

var nH=Math.floor(nMS/(1000*60*60)) % 24;

var nM=Math.floor(nMS/(1000*60)) % 60;

var nS=Math.floor(nMS/1000) % 60;

var dddd= nD+'-'+nH+'-'+nM+'-'+nS;

if(nD>= 0){

document.getElementById('RemainD').innerText = nD;

document.getElementById('RemainH').innerText = nH;

document.getElementById('RemainM').innerText = nM;

document.getElementById('RemainS').innerText = nS;

}else {

document.getElementById('CountMsg').innerText="所有时间到！";

}

setTimeout("showtime()",1000);

}

function startclock() {

showtime(); //调用计算时间差方法，并显示

}

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