倒计时代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="back_Default" %>
<!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>
<%
//要比较的数据库中的时间
DateTime dt = DateTime.Parse("2008-01-08 15:46:35");
long ms = (long)dt.Subtract(DateTime.Now).TotalSeconds;
%>
<script type="text/javascript">
var allSeconds=<%=ms %>;
function count(){
if(allSeconds<=0){
document.getElementById("btnpaimai").disabled="disabled";
}
setTimeout("count()",1000);
document.getElementById("lefttime").innerHTML=getLeftTimeString(allSeconds);
allSeconds--;
}
function getLeftTimeString(ms){
if(ms<=0) return "竞拍已经结束";
var rr="剩余";
if(ms>=86400){
rr=rr+String(Math.floor(ms/86400))+"天";
ms=ms%86400;
}
if(ms>=3600){
rr=rr+String(Math.floor(ms/3600))+"小时";
ms=ms%3600;
}
if(ms>=60){
rr=rr+String(Math.floor(ms/60))+"分钟";
ms=ms%60;
}
rr=rr+String(ms)+"秒";
return rr;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="btnpaimai" runat="server" Text="Button" /><span id="lefttime"></span>
<script type="text/javascript">
count();
</script>
</div>
</form>
</body>
</html>
