前言
公司有个单位项目，需要读取语音文件并进行播放，其实用audio引入个播放链接即可，不需要太多功能
后来想到网站是不是也可以放个小播放器插件，索性查了audio相关api，也学习其中相关技巧，分享给大家
完整代码
整个代码很简单，有些audio-api注释也写在了后面
html
<template> <div class="music"> <div class="music__main"> <div :class="['music__main__cover',isPlay ? 'active' : '']" @click="play"> <img src="@/assets/meet.jpg" /> </div> <div class="music__main__timeBar"> <div class="time"> <span>{{ realMusicTime }}</span> <span>{{ totalMusicTime }}</span> </div> <div class="bar" ref="bar" @click="handClickBar"> <div class="bar__slid" ref="slid" @click="handClickBar"></div> </div> </div> </div> <div class="music__btn"> <i class="el-icon-refresh" @click="switchMusic"></i> </div> <div class="music__mask"></div> <audio ref="music" :src="audioSrc"></audio> </div></template>js
<script>export default { data() { this.audioSrcs = [ 'https://music.163.com/song/media/outer/url?id=1369798757.mp3', // 芒种 'http://m7.music.126.net/20200620010555/e89a481dbb579809feccc4c7e1eaf50b/ymusic/a9c1/47f7/e72a/eeca0e403e1aa21dc60ca590be3db3f0.mp3', // 后来 'http://m7.music.126.net/20200620101114/4b5eaebd7e28eda2a6cda8e1e8e1972e/ymusic/545e/065a/530b/c413a59407100320b8f9da233b35f938.mp3', // 你的答案 'http://m7.music.126.net/20200620101206/6d89785d9f392dc06889d6142c1c4a3a/ymusic/060f/0e0e/510f/1edeffdfca9d5fb74fd0fe02edd9bbba.mp3', // 那女孩对我说 'http://m7.music.126.net/20200620101232/b8fb9367db300c11fee6d134a6721471/ymusic/40f6/674f/125c/83af64a31bd4b1d82a500771b87ddf3f.mp3', // 侧脸 'http://m7.music.126.net/20200620101440/62d4f101f0844469e8706d73175d98d4/ymusic/5309/065c/070b/dc1aee8fb016a88606530ad5a10ba676.mp3', //远方的你 ]; return { isPlay: false, realMusicTime: "00:00", totalMusicTime: "00:00", audioSrc: this.audioSrcs[0] }; }, created() { }, mounted() { this.watchMusicTime(); }, methods: { play() { if (this.music.paused) { this.music.play(); this.isPlay = true; } else { this.music.pause(); this.isPlay = false; } }, // 处理时间 handlMusicTime() { //用秒数来显示当前播放进度 let timeDisplay = Math.floor(this.music.currentTime); //获取实时时间 //分钟 let minute = parseInt(timeDisplay / 60); if (minute < 10) { minute = "0" + minute; } //秒 let second = Math.round(timeDisplay % 60); if (second < 10) { second = "0" + second; } this.realMusicTime = minute + ":" + second; }, // 处理进度条 handMusicBar() { let slid = this.$refs.slid; let duration = this.music.duration; let x = ((this.music.currentTime / duration) * 100).toFixed(2) + "%"; slid.style.width = x; }, // 处理点击进度条事件 handClickBar(e) { const barTotalWidth = this.bar.offsetWidth; // bar 总宽度 const rect = e.target.getBoundingClientRect(); // 元素右边距离页面边距的距离 返回上下左右 let length = e.pageX - rect.left; this.music.currentTime = length / barTotalWidth * this.music.duration; // 计算播放时间 位置百分比*总时间 this.$nextTick(() => { this.music.play(); this.isPlay = true; }) }, // 切换歌曲 switchMusic() { this.isPlay = false; this.audioSrc = this.audioSrcs[Math.floor(Math.random() * 5)]; this.music.load() // 文件下载完毕，如果不用等到全部下载完毕，可以用canplay事件 this.music.addEventListener("canplaythrough", () => { this.music.play(); this.isPlay = true; }); }, //使用事件监听方式捕捉事件 watchMusicTime() { this.music = this.$refs.music; this.bar = this.$refs.bar; this.music.addEventListener( "timeupdate", () => { this.handlMusicTime(); this.$nextTick(() => { this.handMusicBar(); }) }, false ); // 播放完毕 this.music.addEventListener("ended", () => { this.switchMusic(); // 自动播放 }); // 捕获音频文件已准备完毕 // 当媒体文件可以播放的时候会触发oncanplay事件,也可以用oncanplay this.music.oncanplaythrough = () => { let time = this.music.duration; //分钟 let minutes = parseInt(time / 60); if (minutes < 10) { minutes = "0" + minutes; } //秒 let seconds = Math.round(time % 60); if (seconds < 10) { seconds = "0" + seconds; } this.totalMusicTime = minutes + ":" + seconds; }; } }};</script>less
<style lang="less">@keyframes musicRotate { from { transform: rotate(0); } to { transform: rotate(360deg); }}.music { width: 500px; margin: 0 auto; border-radius: 15px; position: relative; padding: 30px; box-sizing: border-box; overflow: hidden; &__main { display: flex; &__cover { width: 80px; height: 80px; overflow: hidden; border-radius: 50%; background-color: #dddddd; cursor: pointer; animation: musicRotate 10s linear infinite; animation-play-state: paused; // 暂定动画 img { width: 100%; height: 100%; } &.active { animation-play-state: running; // 运行动画 } } &__timeBar { flex: 1; display: flex; flex-direction: column; justify-content: space-evenly; padding-left: 20px; box-sizing: border-box; .time { display: flex; justify-content: space-between; color: #fff; span { font-size: 19px; line-height: 1; } } .bar { height: 8px; background-color: #fbfbfb; border-radius: 8px; position: relative; border-radius: 8px; overflow: hidden; cursor: pointer; &__slid { position: absolute; left: 0; top: 0; background-color: #e24d80; height: 100%; width: 0; transition: width 0.3s; } } } } &__btn { position: absolute; right: 30px; top: 10px; i { font-size: 18px; color: #fff; cursor: pointer; } } &__mask { background-image: url('../../assets/meet.jpg'); z-index: -2; background-repeat: no-repeat; background-size: cover; background-position: 50%; filter: blur(15px); opacity: 0.5; transition: all 0.8s; position: absolute; top: 0; right: 0; left: 0; bottom: 0; &::before { position: absolute; top: 0; right: 0; left: 0; bottom: 0; z-index: -1; content: ''; background-color: rgba(0, 0, 0, 0.08); } }}</style>github完整代码用vue简单写一个音乐播放组件
audio相关
HTML audio基础API完全使用指南