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jquery+ajax實現倒計時動態顯示效果。
前台頁麵：
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'time_view2.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">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script type="text/javascript" src="../js/jquery/jquery-1.5.1.min.js"></script>
</head>
<script>
//倒計時顯示方法
function getTimeNum(){
$.ajax({
url: "/event/2012flower/test.jsp?t==="+new Date(),
type: "GET",
dataType: "text",
success: function(data){
//alert("time="+data);
$("#showTimes").html(""+data);
}
});
}
</script>
<body>
<div ></div>
<script>
window.setInterval("getTimeNum()", 1000);
</script>
</body>
</html>
後台服務頁麵:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
//當前時間毫秒數
Long current_time1=System.currentTimeMillis();
//結束時間毫秒數
Long end_time2=1337875200000l;
//計算時間差
Long time2=end_time2-current_time1;
//轉換為秒數
int second=(int)(time2/1000); //剩餘總秒數
//將秒數專為天數
int s = second % 60; // 秒
int mi = (second - s) / 60 % 60; // 分鍾
int h = ((second - s) / 60 - mi ) / 60 % 24; // 小時
int d = (((second - s) / 60 - mi ) / 60 - h ) / 24; // 天
String ret= "剩餘：" + d + "天" + h + "小時" + mi + "分鍾" + s + "秒";
//System.out.println(ret);
%>
<%=ret %>
最後更新：2017-04-02 17:51:22