<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Javascript Progress Bar Demo - jb51.net</title>
<script type="text/javascript" src="http://www.jb51.net/jslib/jquery/jquery.js"></script>
<style type="text/css">
#progress {background: white; height: 20px; padding: 2px; border: 1px solid green; margin: 2px;}
#progress span {background: green; height: 16px; text-align: center; padding: 1px; margin: 1px;
display: block; color: yellow; font-weight: bold; font-size: 14px; 0%;}
</style>
<script type="text/javascript">
var progress_node_id = "progress";
function SetProgress(progress) {
if (progress) {
$("#" + progress_node_id + " > span").css("width", String(progress) + "%");
$("#" + progress_node_id + " > span").html(String(progress) + "%");
}
}
var i = 0;
function doProgress() {
if (i > 100) {
alert("Progress Bar Finished!");
return;
}
if (i <= 100) {
setTimeout("doProgress()", 100);
SetProgress(i);
i++;
}
}
$(document).ready(function() {
doProgress();
});
</script>
</head>
<body>
<h1>Javascript 进度条 Demo</h1>
<p>原理就是使用 Javascript 控制 SPAN CSS 的宽度（以及其他的样式），详细信息可以参见链接：<a
href="http://www.jb51.net/article/13993.htm">http://www.jb51.net/article/13993.htm</a></p>
<div id="progress"><span> </span></div>
</body>
</html>