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javascript - 创建一个HTML 5音频播放器

转载 作者:行者123 更新时间:2023-12-03 02:14:16 25 4
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我正在尝试在网页上构建html5 / javascript mp3播放器,但该网站没有播放声音。我的歌曲在根目录中并带有index.html文件。为什么当我在mp3文件上播放时无法播放?

这是我的代码:

index.html

<!DOCTYPE html>
<html ng-app>

<head>
<title></title>
<link rel="stylesheet" type="text/css" href="css/main.css" media="screen" />
<link href="menu_source/styles.css" rel="stylesheet" type="text/css">
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css">

<!-- Optional theme -->
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap-theme.min.css">
<link rel="stylesheet" href="dist/css/bootstrap.min.css">
<!-- Latest compiled and minified JavaScript -->
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
<script src="music.js"></script>
<script>
var player;
var intv;
var slider;

window.onload = function () {
document.getElementById('btnPlay').addEventListener('click', playMusic, false);
document.getElementById('btnPause').addEventListener('click', btnPause, false);
document.getElementById('btnStop').addEventListener('click', btnStop, false);
document.getElementById('btnVolUp').addEventListener('click', , false);
document.getElementById('btnVolDown').addEventListener('click', volDown, false);
player = document.getElementById('player');
slider = document.getElementById('sliderTime');
slider.addEventListener('change', reposition, false);
getMusicList();
}

function reposition() {
player.currentTime = slider.value;
}

//Volume Controls
function volUp() {
if (player.volume < 1) {
player.volume += 0.1;
console.log(player.volume);
} else {
player.volume = 1;
}
}

function volDown() {
if (player.volume > 0) {
player.volume -= 0.1;
console.log(player.volume);
} else {
player.volume = 0;
}
}
//MUSIC PLAY CONTROLS

function playMusic() {
player.play();
intv = setInterval(update, 100);
slider.max = player.duration;
}

function update() {
document.getElementById('songTime').innerHTML = millisToMins(player.currentTime);
slider.value = player.currentTime;
}

function millisToMins(seconds) {
var numminutes = Math.floor((((seconds % 31536000) % 86400) % 3600) / 60);
var numseconds = (((seconds % 31536000) % 86400) % 3600) % 60;
if (numseconds >= 10) {
return "Time Elapsed: " + numminutes + ":" + Math.round(numseconds);
} else {
return "Time Elapsed:" + numminutes + ":0: + Math.round(numseconds);
}
}
function pauseMusic(){
player.pause();
clearInterval(intv);l

}
function stopMusic(){
player.pause();
player.currentTime = 0;
clearInterval(intv);
}
function getMusicList(){
var parser = new DOMParser();
xmlDocument = parser.parseFromString(xml, "
text / xml ");
var elementsArray = xmlDocument.documentElement.getElementsByTagName('composition');
var arrayLength = elementsArray.length;
var output = " < table > ";
for (var i = 0; i < arrayLength, i++){
var title = elementsArray[i].getElementsByTagName('title'[0].firstChild.nodeValue;
var composer = elementsArray[i].getElementsByTagName('composer')[0].firstChild.nodeValue;
var time = elementsArray[i].getElementsByTagName('time')[0].firstChild.nodeValue;
var fileName = elementsArray[i].getElementsByTagName('filename')[0].firstChild.nodeValue;
output += " < tr > ";
output += (" < td onclick = 'songSelect(\"" + fileName + "\")' > " + title + "
By: " + composer + " < /td>");
output += "</table > ";
document.getElementById('musicList').innerHTML = output;
}
function songSelect(fn){
//console.log(fn);
document.getElementById('player').src = fn;
playMusic();
}
</script>
</head>
<body>
<div class="row">
<div class="col-md-4">
<div id="logo2">
<div class="col-md-4">
<div ng-controller="logOut">
<div id="logOut1">
<button type="button" class="btn btn-primary" ng-model="singleModel" btn-checkbox btn-checkbox-true="1" btn-checkbox-false="0">
Logout
</button>
</div>
</div>
</div>
</div>
<script>
angular.module('myModule', ['ui.bootstrap']);
</script>
<script src="angular.min.js"></script>
<div id="content2">
<div id="audioPlayer">
<audio id="player">
<source src="SleepAway.mp3" />
<source src="SleepAway.ogg" />
</audio>
<button id="btnPlay">Play</button>
<button id="btnPause">Pause</button>
<button id="btnStop">Stop</button>
<button id="btnVolUp">Volume Up</button>
<button id="btnVolDown">Volume Down</button>
<span id="songTime"></span>
<br/>
<input id="sliderTime" type="range" min="0" value="0" />
<div id="musicList"></div>
</div>
</body>
</html>

main.js
<script type="text/javascript">
var audio = document.getElementById("player"),
play = document.getElementById("play"),
timer = document.getElementById("timer"),
update;

audio.addEventListener("click, PlayAudio, false);
play.addEventListener("
click, PlayAudio, false);

//play or pause audio
functon PlayAudio(e) {
e.preventDefault();
if (audio.paused) {
audio.play();
play.textContent = "Pause";
} else {
audio.pause();
play.textContent = "Play";
}
}
document.write("Hello World!");
</script>

最佳答案

var player = document.createElement('audio');
player.src = 'your_source_here.mp3';
player.controls = true;
document.body.appendChild(player);

关于javascript - 创建一个HTML 5音频播放器,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/21357901/

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