<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>倒计时</title>
<script type="text/javascript" src="jquery-1.11.2.min.js"></script>
<style type="text/css">
.djs{ 250px;height: 100px;top: 120px;left: 180px;position: absolute;}
#fen{float: left;font-family: 黑体;
color: #92ff98;font-size: 40px;left: 180px;position: relative;}
#miao{float: left;font-family: 黑体;
color: #ff9de0;font-size: 40px;left: 200px;position: relative;}
</style>
</head>
<body>
<?php
session_start();
//设置倒计时时间
$attr=array();
if(empty($_SESSION["djs"]))
{
$attr=array("fen"=>15,"miao"=>00);
$_SESSION["djs"]=$attr;
}
else
{
$attr=$_SESSION["djs"];
}
//开始倒计时
//用js控制
?>
<div class="djs">
<div id="fen"><?php echo $attr["fen"]; ?></div>
<div id="miao"><?php echo $attr["miao"]; ?></div>
</div>
</body>
<script type="text/javascript">
$(document).ready(function(e) {
window.setInterval("showtime()",30);
});
function showtime()
{
$.ajax({
url:"0714djschuli.php",
dataType:"TEXT",
success:function(data){
if(data.trim()=="over")
{
$(".djs").text("倒计时结束");
}
else
{
var lie = data.trim().split("|");
$("#fen").text(lie[0]);
$("#miao").text(lie[1]);
}
}
});
}
</script>
</html>
<?php
session_start();
$attr=$_SESSION["djs"];
$fen=$attr["fen"];
$miao=$attr["miao"];
if($fen==0 and $miao==0)
{
echo "over";
exit();
}
if($miao==0)
{
$attr["miao"]=59;
$attr["fen"]=$attr["fen"]-1;
}
else
{
$attr["miao"]=$attr["miao"]-1;
}
$_SESSION["djs"]=$attr;
echo "{$attr['fen']}|{$attr['miao']}";