1.
<script type="text/javascript" language="javascript">
var a='<%=day%>';
alert(a);
</script>
public static DateTime day;
protected void Page_Load(object sender, EventArgs e)
{
day = DateTime.Now;
}
2.
<!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" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>untitled</title>
<script type="text/javascript">
get=function (id){return document.getElementById(id)}
if(document.all){
window.XMLHttpRequest=function(){
var get=['Microsoft.XMLHTTP','Msxml2.XMLHTTP'];
for(var i=0;i<get.length;i++){try{return new ActiveXObject(get[i])}catch(e){}};
};
}
webDate=function(fn){
var Htime=new XMLHttpRequest();
Htime.onreadystatechange=function(){Htime.readyState==4&&(fn(new Date(Htime.getResponseHeader('Date'))))};
Htime.open('HEAD', '/?_='+(-new Date));
Htime.send(null);
}
window.time=new Date();
targetTime=new Date();
time2String=function (t){
with(t)return [getFullYear(),'年'
,('0'+(getMonth()+1)).slice(-2),'月'
,('0'+getDate()).slice(-2),'日 '
,('0'+getHours()).slice(-2),': '
,('0'+getMinutes()).slice(-2),': '
,('0'+getSeconds()).slice(-2)].join('')
}
int2time=function (m){
m-=(D=parseInt(m/86400000))*86400000;
m-=(H=parseInt(m/3600000))*3600000;
S=parseInt((m-=(M=parseInt(m/60000))*60000)/1000);
return D+'天'+H+'小时'+M+'分'+S+'秒'
}
setInterval(function (){
webDate(function (webTime){
get('web').innerHTML=time2String(time=webTime);
})
get('locale').innerHTML=time2String(new Date);
get('time').innerHTML=int2time(targetTime-time);
if ((targetTime-time)<0) {
get('time').innerHTML = 'Game Over';
}
},1000)
</script>
</head>
<body>
设定时间：2012年12月31日0时0分0秒<br>
服务器时间:<span id='web'>loading...</span><br>
本地时间:<span id="locale">loading...</span><br>
倒计时时间:<span id="time">loading...</span>
<script type="text/javascript" charset="utf-8">
targetTime=new Date(2012,12,31,00,00,00);
</script>
</body>
</html>
3.
<script type="text/javascript">
var lasttime=new Date(2011,0,7,9,5,0);
var curtime=new Date();// 客户端 当前时间
var diff=lasttime-curtime;//时间差，毫秒
diff=Math.ceil(diff/1000);//换算成秒
var interval;
function counter(){
if(diff>0){
diff--;
compute();
}else{
document.getElementById("ImgOne").style.display = "none";
document.getElementById("ImgTwo").style.display = "block";
document.getElementById("difftime").innerHTML="已结束";
if(interval!="undefined"){
clearInterval(interval);
}
}
}
function compute(){
var dd=Math.floor(diff / (24*60*60));
var left=diff % (24*60*60);
var hh=Math.floor(left/(60*60));
left=left%(60*60)
var mi=Math.floor(left/60);
var ss=left%60;
var difftime=document.getElementById("difftime");
hh = dd*24+hh;
difftime.innerHTML = hh + ":" + mi + ":" + ss ;
};
window.onload=function(){
interval=setInterval(counter,1000);
};
</script>
*****************************
<!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 runat="server">
<title>无标题页</title>
<script type="text/javascript">
var lasttime=new Date(2011,0,19,10,48,0);
var curtime=new Date('<%=sYear %>','<%=sMonth %>','<%=sDay %>','<%=sHour %>','<%=sMinute %>','<%=sSecond %>');
var diff=lasttime-curtime;//时间差，毫秒
diff=Math.ceil(diff/1000);//换算成秒
var interval;
function counter(){
if(diff>0){
diff--;
compute();
}else{
document.getElementById("difftime").innerHTML="已结束";
if(interval!="undefined"){
clearInterval(interval);
}
}
}
function compute(){
var dd=Math.floor(diff / (24*60*60));
var left=diff % (24*60*60);
var hh=Math.floor(left/(60*60));
left=left%(60*60)
var mi=Math.floor(left/60);
var ss=left%60;
var difftime=document.getElementById("difftime");
difftime.innerHTML = dd + "天" +hh + ":" + mi + ":" + ss ;
};
window.onload=function(){
interval=setInterval(counter,1000);
};
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
剩余时间：<span id="difftime"></span>
</div>
</form>
</body>
</html>
public static int sYear, sMonth, sDay, sHour, sMinute, sSecond;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
DateTime dateTime = DateTime.Now;
sYear = dateTime.Year;
sMonth = dateTime.Month - 1;
sDay = dateTime.Day;
sHour = dateTime.Hour;
sMinute = dateTime.Minute;
sSecond = dateTime.Second;
}
}
4.
<script language="JavaScript" type="text/javascript">
function count_down()
{
window.setTimeout("count_down()", 1000);
testDay=new Date('<%=endTime %>');
today=new Date();
time=(testDay.getTime()-today.getTime())/(24*60*60*1000);
day=Math.floor(time);
time=(time-day)*24;
hour=Math.floor(time);
time=(time-hour)*60;
minute=Math.floor(time);
time=(time-minute)*60;
second=Math.floor(time);
show_time.innerHTML=day+"天"+hour+"小时"+minute+"分"+second+"秒";
}
</script>
<body onload="count_down();">
<span id="show_time"
runat="server" ></span>
.cs
string year = Convert.ToDateTime(dt.Rows[0]["EndTime"]).Year.ToString();
string month = Convert.ToDateTime(dt.Rows[0]["EndTime"]).Month.ToString();
string day = Convert.ToDateTime(dt.Rows[0]["EndTime"]).Day.ToString();
string hour = Convert.ToDateTime(dt.Rows[0]["EndTime"]).Hour.ToString();
string minute = Convert.ToDateTime(dt.Rows[0]["EndTime"]).Minute.ToString();
string second = Convert.ToDateTime(dt.Rows[0]["EndTime"]).Second.ToString();
endTime = year + "/" + month + "/" + "/" + day + " " + hour + ":" + minute + ":" + second;