HTML5Player/AudioPlayer.html at master · SanniZ/HTML5Player · GitHub

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<!DOCTYPE html>
<html>
<head>
	<title id="title_playing">音乐播放</title>

	<!-- link rel="stylesheet" type="text/css" href="./css/AudioPlayer.css"/ -->
	<!-- script language="JavaScript" src="./js/AudioPlayer.js"></script -->
</head>

<body>
	<div class="top" id="top"">
		<h1>音乐播放器</h1>
		<!--播放器-->
		<form name="selecter">
			<input type="file" name="selFile" id="selFile"  style="display:none" multiple="multiple" onchange="selected(this.id)"/>
			<a href="JavaScript:Void(0)" onclick="document.selecter.selFile.click()">添加文件</a>

			<a id="play_next" href="JavaScript:Void(0)" onclick="onPlayNext()">下一首</a>
			<a id="play_pre" href="JavaScript:Void(0)" onclick="onPlayPre()">上一首</a>
		</form>
	</div>

	<hr />

	<!--歌曲信息 -->
	<div  class="info" id="info">
		<input id="fname" name="fname" readonly="readonly"></input>
	</div>

	<!--HTML 5 audio plyer-->
	<div class="audioplayer" id="audioplayer">
		<audio class="ctls" id="ctls" controls="controls" onended="onPlayEnd()">
		</audio>
	</div>

	<!--歌曲列表-->
	<div class="playlist" id="playlist">
		<!--legend>²¥·ÅÁÐ±í</legend-->
		<table>
			<tr>
				<th>歌曲</th>
				<th>歌手</th>
			</tr>

			<tbody id="list"></tbody>
		</table>
		<form id="playMode" name="playMode">
			<input type="radio" name="mode" id="order" value="order" onchange="updatePlayMode(this.id)"/>
			<label id="lb_order" for="order" >顺序播放</label>
			<input type="radio" name="mode" id="random" value="random" onchange="updatePlayMode(this.id)"/>
			<label id="lb_random" for="random">随机播放</label>
			<input type="radio" name="mode" id="loop" value="loop" onchange="updatePlayMode(this.id)" />
			<label id="lb_loop"for="loop">循环播放</label>
			<input type="radio" name="mode" id="loop-self" value="loop-self" onchange="updatePlayMode(this.id)"/>
			<label id="lb_loop-self" for="loop-self">单曲播放</label>
		</form>
	</div>

	<br />
	<hr />

	<!--版权信息-->
	<div class="copyright" id="copyright">
		<p>Copyright (C) Byng Zeng</p>
		<p>Audio Player 1.0.0</p>
	</div>


     <style>
		.top {
			color: red;
			text-align: center;
		}

		#play_next {
			float: left;
		}

		#play_pre {
			float: right;
		}

		.copyright {
			color: green;
			text-align: center;
		}

		#fname {
			border: 0px;
			text-align: center;
			font-size: 18px;
			width: 100%;
		}

		audio {
			width: 100%;
		}

		table {
			border-collapse: collapse;
			width: 100%;
		}

		th {
			background-color: skyblue;
		}

		table,th,td{
			border: 1px solid black;
			margin: 0px;
		}

		#playMode {
			float: right;
		}
	 </style>

	 <script>
		var Library = new Library();

		function Library() {
			var obj = new Object();

			obj.files=new Array();
			obj.total = 0;
			obj.cur = 0;
			obj.history = new Array();
			obj.historyPos = 0;
			obj.mode = null;

			return obj;
		}

		function updateLibrary(fs) {
			for (var i = 0; i < fs.files.length; i++) {
				Library.files[Library.total + i] = fs.files[i]; //添加到播放列表
			}
			updatePlaylist(fs); //更新播放列表

			Library.total += fs.files.length;
		}

		function updatePlaylist(fs) {
			var list = document.getElementById('list');
			var len = list.rows.length;
			var f=null;
			var author="unknown";
			var newRow;
			var id = 0;
			for (var i= 0; i < fs.files.length; i++) {
				f=Library.files[Library.total + i];  //添加歌曲
				author="unknown";
				newRow = list.insertRow(len++);  //播放歌曲列表
				id = Library.total + i;
				newRow.insertCell(0).innerHTML = '<a href=\"JavaScript:onClickPlay(' + id + ')\">' + f.name.replace(/.mp3/, "") + '</a>';
				newRow.insertCell(1).innerHTML = author;
			}
		}

		function updateHistory(id) {
			if (Library.history[Library.historyPos] != id)
				Library.history[Library.historyPos++] = id;
		}

		function selected(id) {
			//更新播放列表
			updateLibrary(document.getElementById(id));
			//更新播放方式
			if (Library.mode == null) {
				document.getElementById('order').checked="checked";
				updatePlayMode("order");
			}
		}

		function updatePlayingInfo(id) {
			document.getElementById('fname').value=Library.files[id].name;
		}

		function onPlay(id) {
		    document.getElementById('title_playing').text=Library.files[id].name.replace(/.mp3/, "");
			var reader=new FileReader();
			reader.readAsDataURL(Library.files[id]);
			reader.onload=function(e) {
				var ctls=document.getElementById('ctls');
				ctls.src=this.result;
				//更新播放信息
				updatePlayingInfo(id);
				Library.cur = id;
				//播放
				ctls.play();
			}
		}

		function onClickPlay(id) {
			updateHistory(id);
			onPlay(id);
		}

		function onPlayNext() {
			var id = 0;
			switch(Library.mode) {
				case "order": { //顺序播放
					if (Library.cur < Library.total) {
						id=Library.cur+1;
					}
					break;
				}
				case "random": {  //随机播放
					id=Math.round(Math.random() * Library.total);
					break;
				}
				case "loop": {  //全部循环
					id=(Library.cur + 1) % Library.total;
					break;
				}
				case "loop-self": {  //单曲循环
					id=Library.cur;
					break;
				}
			}
			updateHistory(id);
			onPlay(id);
		}

		function onPlayPre() {
			if (Library.historyPos != 0)
				Library.historyPos--;

			onPlay(Library.historyPos);
		}

		function onPlayEnd() {
			onPlayNext()
		}

		function updatePlayMode(id) {
			document.getElementById('lb_' + id).style.fontWeight="bold";
			document.getElementById('lb_' + id).style.color="green";
			if (Library.mode != null) {
				document.getElementById('lb_' + Library.mode).style.fontWeight="normal";
				document.getElementById('lb_' + Library.mode).style.color="black";
			}
			Library.mode = document.getElementById(id).value;

		}
	 </script>
</body>
</html>