js实现音频控制进度条功能

时间：2021-05-26

效果图：

代码如下：

<!doctype html><html><head><meta name="author" content="dony"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="pragma" content="no-cache"><meta name="renderer" content="webkit"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"><title>音频控制进度条</title><style type="text/css">body,div{padding: 0;margin: 0;}.m-main{width:560px; height: 100%; margin: 3% auto; background-color:#30a5ff;}.m-main video{display: none; }.m-main .player { width: 100%; height: 150px; position: relative; bottom: 0px;}.m-main .player>a{display: inline-block; width: 20%; margin: 0 auto; padding: 5%; color: #FFF; text-align: center;}.m-main .play-box { width: 100%; margin: 0 auto;}.m-main .play-box .left { width: 100%; float: left;}.m-main .play-box .left p.timeline { width: 70%;height: 10px; background-color: rgba(216, 216, 216, 0.5); border-radius: 5px; margin:30px auto 0; position: relative; z-index: 2; }.m-main .play-box .left p.timeline span {position: relative; width: 0px; height: 10px; background-color: #FFF; border-radius: 5px; display: block; -webkit-transition: width ease-out 0.3s;-o-transition: width ease-out 0.3s;transition: width ease-out 0.3s;}.m-main .play-box .left p.timeline span:after{content: ""; position: absolute; top: -4px; right:-0.6rem;width: 1.2rem; height:1.2rem; border-radius: 50%;background-color: #FFF;}.m-main .play-box .left div.info { height: 26px; line-height: 26px; font-size: 14px; color: #000; position: relative; top: -18px; margin:0 10px; z-index: 1;color: #FFF;}.m-main .play-box .left div.info .size { float: left; display: block;}.m-main .play-box .left div.info .timeshow { float: right; display: block;}</style></head><body><div class="m-main"> <div class="player"> <a href="javascript:void(0)" rel="external nofollow" rel="external nofollow" id="js-play">播放</a> <a href="javascript:void(0)" rel="external nofollow" rel="external nofollow" id="js-pause">暂停</a> <div class="play-box"> <div class="left"> <p class="timeline"><span style=""></span></p> <div class="info"> <span class="size">00:00</span> <span class="timeshow">00:00</span> </div> </div> </div> </div> <div class="video"> <video controls autoplay name="media" id="js-video"><source src="http://chipsguide.snaillove.com/Public/Uploads/file_server_storage/Audio/2017/03/23/19/192_20003137.mp3" type="video/mp4"></video> </div></div><script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script><script type="text/javascript"> $(function(){ AudioControl('js-video') function AudioControl(id){ // 音频控制进度条 var audio = document.getElementById(id); $(audio).on('loadedmetadata',function(){ audio.pause(); // 进度条控制 $(document).on('touchend','.timeline',function(e){ var x = e.originalEvent.changedTouches[0].clientX-this.offsetLeft; var X = x < 0 ? 0 : x ; var W = $(this).width(); var place = X > W ? W : X; audio.currentTime = (place/W).toFixed(2)*audio.duration $(this).children().css({width:(place/W).toFixed(2)*100+"%"}) }); // 播放 $(document).on('click','#js-play',function(){ audio.play() }); // 暂停 $(document).on('click','#js-pause',function(){ audio.pause() }); }) setInterval(function () { var currentTime = audio.currentTime; setTimeShow(currentTime); }, 1000); // 设置播放时间 function setTimeShow(t) { t = Math.floor(t); var playTime = secondToMin(audio.currentTime); $(".size").html(playTime); $('.timeshow').text(secondToMin(audio.duration)) $('.timeline').children().css({width:(t/audio.duration).toFixed(4)*100+"%"}) } // 计算时间 function secondToMin(s) { var MM = Math.floor(s / 60); var SS = s % 60; if (MM < 10) MM = "0" + MM; if (SS < 10) SS = "0" + SS; var min = MM + ":" + SS; return min.split('.')[0]; } } })</script></body></html>

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