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JSP获取服务器时间以倒计时的形式在页面显示

2017年12月12日  | 移动技术网IT编程  | 我要评论

巡逻警官 特朗德尔,党龄从何时算起,1hhhhhh

复制代码 代码如下:

<%@ page language="java" import="java.util.*"%>
<!doctype html public "-//w3c//dtd html 4.01 transitional//en">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<%@ include file="/commons/meta.jsp"%>
<%@ include file="/commons/meta-et.jsp"%>
<%
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);
%>
<script type="text/javascript" defer="defer">
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 = <%=hour%>;
nowminute = <%=minute%>;
nowmonth = <%=month%>;
//nowmonth = (parseint(nowmonth)+1);
nowdate = <%=date%>;
nowyear = <%=year%>;
nowsecond = <%=second%>;
}
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
}
</script>
</head>
<body>
<div id="countmsg">
距离结束还剩<font color="red" size=5><strong id="remaind">xx</strong>天<strong id="remainh">xx</strong>时<strong id="remainm">xx</strong>分<strong id="remains">xx</strong>秒</font>
</div>
</body>
</html>

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