本文介绍了一个使用HTML5和JavaScript实现的视频播放器进度条案例，详细展示了如何通过监听视频的时间更新事件来实时更新进度条显示，以及如何将当前播放时间和总时长显示在页面上。
<%@ page contentType="text/html;charset=UTF-8" %>
<%@ include file="/webpage/include/taglib.jsp"%>
<!DOCTYPE html>
<html>
<head>
<title>MyHtml.html</title>
<meta name="decorator" content="ani"/>
<meta name="keywords" content="keyword1,keyword2,keyword3">
<meta name="description" content="this is my page">
<meta name="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">--> </head>
<script src="${ctxStatic}/common/js/vendor.js"></script>
<body>
<video id="video-active" class="video-active" width="100%" height="600" controls="controls"><source src="${url}" type="video/mp4"></video>
<div id="current">当前时长：0:00</div>
<div id="duration">总时长：0:00</div>
<span id="pro"></span>
<div class="progress progress-striped active" style="width:100">
<span id="hyTime" class="progress-bar progress-bar-success" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" ></span>
</div>
<span id="hy" ></span>
<script type="text/javascript">
$(document).ready(function(){
$("#video-active").on("timeupdate",function(event){
onTrackedVideoFrame(this.currentTime, this.duration);});
});
function onTrackedVideoFrame(currentTime, duration){
$("#current").text(currentTime);
$("#duration").text(duration);
var a=currentTime/duration;
var b=(a*100).toFixed(0)+"%";
document.getElementById('hyTime').style.width=b;
$("#hy").text(b);
if(currentTime==duration){
$("#pro").text("(已完成)");
}
}
</script>
</body>
</html>
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