<?php
session_start();
$zs=21;//设置任务总数
if(!isset($_SESSION['num']))
$_SESSION['num']=$zs;//赋予session变量值
$jd=$_SESSION['num']--;//进度值
echo $jd;//显示进度值
echo "<br />";
echo 100-round($jd/$zs*100)."%";//显示完成进度百分比
?>以下是图形化的demo
<?php
session_start();
$zs=121;//设置任务总数
if(!isset($_SESSION['num']))
$_SESSION['num']=$zs;//赋予session变量值
$jd=$_SESSION['num']--;//进度值
echo $jd;//显示进度值
echo "<br />";
echo 100-round($jd/$zs*100)."%";//显示完成进度百分比
?>
<!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>进度条demo</title>
<script type="text/javascript" language="javascript" src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script language="javascript" type="text/javascript">
// //判断窗体是否最大化
// if (window.screen) {//判断浏览器是否支持window.screen判断浏览器是否支持screen
// var myw = screen.availWidth; //定义一个myw，接受到当前全屏的宽
// var myh = screen.availHeight; //定义一个myw，接受到当前全屏的高
// window.moveTo(0, 0); //把window放在左上脚
// window.resizeTo(myw, myh); //把当前窗体的长宽跳转为myw和myh
// }
//弹出隐藏层
function ShowDiv(show_div, bg_div) {
document.getElementById(show_div).style.display = 'block';
document.getElementById(bg_div).style.display = 'block';
var bgdiv = document.getElementById(bg_div);
bgdiv.style.width = document.body.scrollWidth;
$("#" + bg_div).height($(document).height());
};
//关闭弹出层
function CloseDiv(show_div, bg_div) {
document.getElementById(show_div).style.display = 'none';
document.getElementById(bg_div).style.display = 'none';
$("#country").val($("#name").val());
};
//窗口大小改变时
$(window).resize(function() {
if (!$('#MyDiv').is(':hidden')) popup();
});
//重新设置遮罩层的高和宽
function popup() {
var maskHeight = $(document).height();
var maskWidth = $(window).width();
$('#fade').css({ height: maskHeight, width: maskWidth }).show();
}
</script>
<style type="text/css">
.black_overlay { display: block; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: black; z-index: 1001; -moz-opacity: 0.5; opacity: 0.5; filter: alpha(opacity=50); -khtml-opacity: 0.5; }
.white_content { display: block; position: absolute; top: 45%; left: 40%; width: 18%; height: 6%; z-index: 1002; overflow: visible; color: #FFF; }
<!--
.white_content_small { display: block; position: fixed; top: 20%; left: 30%; width: 40%; height: 50%; border: 16px solid lightblue; background-color: white; z-index: 1002; overflow: auto; }
-->
#MyDiv .text { text-align: center; }
#jdtbj { background-color: #ACACAC; height: 13px; width: 208px; }
#bfb { height:13px; display:block; text-align:center; font-size:11px; color:#333; width:208px; position: absolute; top: 17px; }
#jdt { height:13px; display:block; text-align:center; font-size:11px; color:#333; background-image: url(loadings.gif); width:<?php echo 100-round($jd/$zs*100)."%";?>; }
</style>
</head>
<body>
<h1>欢迎访问我的博客:<a href="http://blog.csdn.net/aoyoo111" target="_blank">http://blog.csdn.net/aoyoo111</a></h1>
<div id="fade" class="black_overlay"></div>
<div id="MyDiv" class="white_content">
<div class="text">正在载入中......</div>
<div id="jdtbj">
<div id="bfb"><?php echo 100-round($jd/$zs*100)."%";?></div>
<div id="jdt"></div>
<h1>欢迎访问我的博客:<a href="http://blog.csdn.net/aoyoo111" target="_blank">http://blog.csdn.net/aoyoo111</a></h1>
</div>
</div>
</body>
</html>