html5 mp3音频可视化播放插件

html5基于canvas属性制作mp3音乐播放，可视化音频音阶播放过程。支持多个mp3音乐文件播放插件代码。

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使用方法：

1、head引入js文件

<script src="js/jquery.min.js"></script>
<script src="js/wavesurfer.min.js"></script>

3、body引入HTML代码

<script>
    //音频 1-4 数组排列  
    var music = ['0.mp3']
    //音阶 1-4 数组排列
    var allArr = [
        [0.6328, 0.6093, 0.3828, 0.4335, 0.3632, 0.414, 0.4804, 0.3085, 0.4492, 0.375, 0.625, 0.4648, 0.4335, 0.3867, 0.4101, 0.3945, 0.1992, 0.1757, 0.1601, 0.1132, 0.0859, 0.5976, 0.6132, 0.4257, 0.4257, 0.3398, 0.414, 0.3671, 0.3437, 0.4296, 0.3671, 0.6289, 0.4687, 0.4726, 0.3828, 0.5, 0.3007, 0.2304, 0.1562, 0.125, 0.4218, 0.3867, 0.6328, 0.6054, 0.5937, 0.2734, 0.2617, 0.2382, 0.5859, 0.3242, 0.2187, 0.1445, 0.6757, 0.3476, 0.621, 0.5351, 0.2812, 0.1523, 0.1445, 0.0937, 0.5625, 0.5976, 0.414, 0.3359, 0.2695, 0.1914, 0.5078, 0.3359, 0.2773, 0.2031, 0.1679, 0.1523, 0.6015, 0.6484, 0.621, 0.4296, 0.332, 0.2773, 0.7539, 0.4218, 0.3203, 0.1992, 0.1601, 0.1289, 0.5976, 0.3554, 0.2812, 0.1875, 0.1679, 0.1132, 0.1015, 0.0781, 0.625, 0.582, 0.4882, 0.414, 0.4296, 0.3828, 0.4453, 0.3867, 0.4023, 0.3945, 0.6367, 0.496, 0.4687, 0.4335, 0.2851, 0.3867, 0.1875, 0.1718, 0.1406, 0.121, 0.0781, 0.6328, 0.6171, 0.4453, 0.4453, 0.4726, 0.3242, 0.4257, 0.3398, 0.4609, 0.3593, 0.6289, 0.4765, 0.5, 0.4023, 0.4804, 0.332, 0.207, 0.1484, 0.1171, 0.0859, 0.4296, 0.6367, 0.5312, 0.5781, 0.3046, 0.2617, 0.2148, 0.6015, 0.3671, 0.2343, 0.1289, 0.1328, 0.6523, 0.5781, 0.4882, 0.2265, 0.1601, 0.1757, 0.082, 0.5742, 0.6289, 0.4804, 0.3359, 0.2968, 0.2109, 0.4882, 0.3398, 0.2656, 0.1796, 0.1718, 0.1601, 0.5976, 0.6406, 0.6328, 0.4921, 0.3359, 0.2617, 0.6953, 0.4218, 0.3359, 0.2265, 0.1953, 0.1601, 0.5937, 0.3828, 0.3632, 0.2109, 0.1679, 0.1289, 0.0937, 0.539, 0.4179, 0.332, 0.2421, 0.125, 0.082, 0.0625, 0.0468, 0.0507, 0.0312, 0.0273, 0.0156, 0.0156, 0.0039, 0.0039, 0, 0, 0, 0, 0, 0, 0, 0]
    ]
    //动态创建播放标签
    var html = ''
    for (var i = 0; i < music.length; i++) {
        html = '<div class="box">' +
            '<div class="group"><a href="javascript:" id="btnPlay' + i + '" role="btnPlay" tabindex="' + i + '">播放</a>' +
            '<a href="javascript:"  id="btnPause' + i + '" role="btnPause" tabindex="' + i + '">暂停</a></div>' +
            '<div id="waveform' + i + '" class="waveform"></div>' +
            '</div>'
        $("body").append(html);
    }

    $(".waveform").each(function (i, item) {
        var wavesurfer = $(this).attr("id");
        wavesurfer = WaveSurfer.create({
            container: '#' + wavesurfer,
            barWidth: 2,
            height: 65,
            waveColor: '#428bca',
            progressColor: 'green',
            cursorColor: 'red',
            cursorWidth: 3
        });
//      wavesurfer.load() 一个参数的时候，进入页面音乐都加载，
//      2个参数 先加载轨道 点击哪个音乐加载哪个
//      详情可F12 更改参数 看network里的变化
        wavesurfer.load(music[i], allArr[i]);
//   可获取音轨数据（上述音轨数组在此处获取，正式项目应该后台获取音轨数据）
//        setTimeout(function () {
//            console.log(wavesurfer.exportPCM())
//        }, 1000)
//点击播放
        $("#btnPlay" + i).click(function () {
            $("a[role=btnPause]").click();
            wavesurfer.play();
            $("#btnPlay" + i).hide()
            $("#btnPause" + i).show()
        });
//        点击暂停
        $("#btnPause" + i).click(function () {
            wavesurfer.pause();
            $("#btnPlay" + i).show()
            $("#btnPause" + i).hide()
        });
    });
</script>

以上是单个mp3音频播放调用。

文件目录

本资源来自：代码 » HTML5实例 » html5 mp3音频可视化播放插件

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