项目地址：Music Player App
作者：Reza Mehdikhanlou
视频地址：youtube
我将向您展示如何使用 javascript 编写音乐播放器。我们创建一个项目，您可以使用 javascript 从本地文件夹或任何 url 播放音频文件。
项目目录
- assets
- 1.jpg
- 1.mp3
- 2.jpg
- 2.mp3
- 3.jpg
- 3.mp3
- index.html
- index.js
- style.css
代码
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<link rel="stylesheet" href="style.css">
<title>Music Player App</title>
</head>
<body>
<div class="background">
<img src="" id="bg-img">
</div>
<div class="container">
<div class="player-img">
<img src="" class="active" id="cover">
</div>
<h2 id="music-title"></h2>
<h3 id="music-artist"></h3>
<div class="player-progress" id="player-progress">
<div class="progress" id="progress"></div>
<div class="music-duration">
<span id="current-time">0:00</span>
<span id="duration">0:00</span>
</div>
</div>
<div class="player-controls">
<i class="fa-solid fa-backward" title="Previous" id="prev"></i>
<i class="fa-solid fa-play play-button" title="Play" id="play"></i>
<i class="fa-solid fa-forward" title="Next" id="next"></i>
</div>
</div>
<script src="index.js"></script>
</body>
</html>
index.js
const image = document.getElementById('cover'),
title = document.getElementById('music-title'),
artist = document.getElementById('music-artist'),
currentTimeEl = document.getElementById('current-time'),
durationEl = document.getElementById('duration'),
progress = document.getElementById('progress'),
playerProgress = document.getElementById('player-progress'),
prevBtn = document.getElementById('prev'),
nextBtn = document.getElementById('next'),
playBtn = document.getElementById('play'),
background = document.getElementById('bg-img');
const music = new Audio();
const songs = [
{
path: 'assets/1.mp3',
// path:'https://childish.oss-cn-hangzhou.aliyuncs.com/songs/Peel Back the Heart.mp3'
displayName: 'The Charmer\'s Call',
cover: 'assets/1.jpg',
artist: 'Hanu Dixit',
},
{
path: 'assets/2.mp3',
displayName: 'You Will Never See Me Coming',
cover: 'assets/2.jpg',
artist: 'NEFFEX',
},
{
path: 'assets/3.mp3',
displayName: 'Intellect',
cover: 'assets/3.jpg',
artist: 'Yung Logos',
}
];
let musicIndex = 0;
let isPlaying = false;
function togglePlay() {
if (isPlaying) {
pauseMusic();
} else {
playMusic();
}
}
function playMusic() {
isPlaying = true;
// Change play button icon
playBtn.classList.replace('fa-play', 'fa-pause');
// Set button hover title
playBtn.setAttribute('title', 'Pause');
music.play();
}
function pauseMusic() {
isPlaying = false;
// Change pause button icon
playBtn.classList.replace('fa-pause', 'fa-play');
// Set button hover title
playBtn.setAttribute('title', 'Play');
music.pause();
}
function loadMusic(song) {
music.src = song.path;
title.textContent = song.displayName;
artist.textContent = song.artist;
image.src = song.cover;
background.src = song.cover;
}
function changeMusic(direction) {
musicIndex = (musicIndex + direction + songs.length) % songs.length;
loadMusic(songs[musicIndex]);
playMusic();
}
function updateProgressBar() {
const { duration, currentTime } = music;
const progressPercent = (currentTime / duration) * 100;
progress.style.width = `${progressPercent}%`;
const formatTime = (time) => String(Math.floor(time)).padStart(2, '0');
durationEl.textContent = `${formatTime(duration / 60)}:${formatTime(duration % 60)}`;
currentTimeEl.textContent = `${formatTime(currentTime / 60)}:${formatTime(currentTime % 60)}`;
}
function setProgressBar(e) {
const width = playerProgress.clientWidth;
const clickX = e.offsetX;
music.currentTime = (clickX / width) * music.duration;
}
playBtn.addEventListener('click', togglePlay);
prevBtn.addEventListener('click', () => changeMusic(-1));
nextBtn.addEventListener('click', () => changeMusic(1));
music.addEventListener('ended', () => changeMusic(1));
music.addEventListener('timeupdate', updateProgressBar);
playerProgress.addEventListener('click', setProgressBar);
loadMusic(songs[musicIndex]);
style.css
@import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@300;400;500;700&display=swap');
html{
box-sizing: border-box;
}
body{
margin: 0;
font-family: 'Ubuntu', sans-serif;
font-size: 12px;
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
}
.background{
position: fixed;
width: 200%;
height: 200%;
top: -50%;
left: -50%;
z-index: -1;
}
.background img{
position: absolute;
margin: auto;
top: 0;
left: 0;
bottom: 0;
right: 0;
min-width: 50%;
min-height: 50%;
filter: blur(15px);
-webkit-filter: blur(50px);
transform: scale(1.1);
}
.container{
background-color: #e7e7e7;
height: 500px;
width: 400px;
border-radius: 20px;
box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
transition: all 0.5s ease;
}
.container:hover{
box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
}
.player-img{
width: 300px;
height: 300px;
position: relative;
top: -50px;
left: 50px;
}
.player-img img{
object-fit: cover;
border-radius: 20px;
height: 0;
width: 0;
opacity: 0;
box-shadow: 0 5px 30px 5px rgba(0, 0, 0, 0.5);
}
.player-img:hover img{
box-shadow: 0 5px 30px 5px rgba(0, 0, 0, 0.8);
}
.player-img img.active{
width: 100%;
height: 100%;
transition: all 0.5s;
opacity: 1;
}
h2{
font-size: 25px;
text-align: center;
font-weight: 500;
margin: 10px 0 0;
}
h3{
font-size: 18px;
text-align: center;
font-weight: 500;
margin: 10px 0 0;
}
.player-progress{
background-color: #fff;
border-radius: 5px;
cursor: pointer;
margin: 40px 20px 35px;
height: 6px;
width: 90%;
}
.progress{
background-color: #212121;
border-radius: 5px;
height: 100%;
width: 0%;
transition: width 0.1s linear;
}
.music-duration{
position: relative;
top: -25px;
display: flex;
justify-content: space-between;
}
.player-controls{
position: relative;
top: -15px;
left: 120px;
width: 200px;
}
.fa-solid{
font-size: 30px;
color: #666;
margin-right: 30px;
cursor: pointer;
user-select: none;
transition: all 0.3s ease;
}
.fa-solid:hover{
filter: brightness(40%);
}
.play-button{
font-size: 44px;
position: relative;
top: 3px;
}
