我的播放按钮可以播放，音量增大和音量减小按钮可以工作，但暂停按钮和停止按钮不起作用。此外，它在 Chrome 中不起作用，但在 Firefox 和 Internet Explorer 中起作用。那么我该如何解决这个问题呢？谢谢。
这是我的代码
index.html
<!DOCTYPE html>
<html ng-app="plunker">
<head>
<title>app</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" rel="stylesheet" type="text/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 src="example.js"></script>
<script src="javascript/main.js"></script>
<script src="angular.min.js"></script>
<script>
angular.module('myModule', ['ui.bootstrap']);
var player;
var intv;
var slider;
window.onload = function () {
document.getElementById('btnPlay').addEventListener('click', playMusic, false);
document.getElementById('btnPause').addEventListener('click', playMusic, false);
document.getElementById('btnStop').addEventListener('click', playMusic, false);
document.getElementById('btnVolUp').addEventListener('click', playMusic, false);
document.getElementById('btnVolDown').addEventListener('click', playMusic, false);
player = document.getElementById('player');
slider = document.getElementById('sliderTime');
slider.addEventListener('change', reposition, false);
getMusicList();
}
function reposition() {
player.currentTime = slider.value;
}
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;
}
}
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 pauseMusic() {
player.pause();
clearInterval(intv);
}
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 stopMusic() {
player.plause();
player.currentTime = 0;
clearInterval(myInterval);
}
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')[o].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 += "</tr>"
}
output += "</table>";
document.getElementById('musicList').innerHTML = output;
}
function songSelect(fn) {
document.getElementById('player').src = fn;
playMusic();
}
</script>
<style>
#musicList td {
border: 1px solid black;
padding: 3px;
}
#musicList td:hover {
background-color: #990000;
color: white;
}
</style>
</head>
<body>
<div id="content"></div>
<div id="content1">
<div id="audioPlayer">
<audio id="player">
<source src="sleepAway.ogg" type="audio/ogg">
<source src="sleepAway.mp3" type="audio/mpeg">
</audio>
<button onclick="playMusic()" id="btnPlay">Play</button>
<button onclick="pauseMusic()" id="btnPause">Pause</button>
<button onclick="stopMusic()" id="btnStop">Stop</button>
<button onclick="volUp()" id="btnVolUp">Volume Up</button>
<button onclick="volDown()" id="btnVolDown">Volume Down</button>
<span id="songTime"></span>
<input id="sliderTime" type="range" min="0" value="0" />
<div id="musicList"></div>
</body>
</html>
音乐.js
var xml='<?xml version="1.0"?>';
xml +='<music>';
xml +=' <composition>';
xml +=' <title>O Mio Babbino Caro</title>';
xml +=' <composer>Puccini</composer>';
xml +=' <time>2:12</time>';
xml +=' <filename>SleepAway.mp3</filename>';
xml +=' </composition>';
xml +=' <composition>';
xml +=' <title>2:57</time>';
xml +=' <filename>gershwin.mp3</filename>';
xml +=' </composition>';
xml +=' <composition>';
xml +=' <title>The Man I Love</title>';
xml +=' <composer>Gershwin</composer>';
xml +=' <time>2:57</time>';
xml +=' <filename>gershwin.mp3</filename>';
xml +=' </composition>';
xml +=' <composition>';
xml +=' <title>2:57</time>';
xml +=' <filename>gershwin.mp3</filename>';
xml +=' </composition>';
xml +=' <composition>';
xml +=' <titleAllegro</title>';
xml +=' <composer>Beethoven</composer>';
xml +=' <time>3:45</time>';
xml +=' <filename>piano.mp3</filename>';
xml +=' </composition>';
xml +=' <composition>';
最佳答案
所有事件监听器都指向:“playMusic”，因此它们都充当播放按钮。
关于javascript - HTML5 音频播放器停止和暂停按钮不起作用，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/21466461/