window.AudioContext = window.AudioContext || window.webkitAudioContext || window.mozAudioContext || window.msAudioContext;
     
     try {
     
     
     var context = new window.AudioContext();;
     
     var source = null;
     
     var audioBuffer = null;
     
     function stopSound() {
     
     
     if (source) {
     
     
     source.stop(0); //立即停止
     
     }
     
     }
     
     function playSound() {
     
     
     source = context.createBufferSource();
     
     source.buffer = audioBuffer;
     
     source.loop = true;
     
     source.connect(context.destination);
     
     source.start(0); //立即播放
     
     }
     
     function initSound(arrayBuffer) {
     
     
     context.decodeAudioData(arrayBuffer, function (buffer) { //解码成功时的回调函数
     
     audioBuffer = buffer;
     
     playSound();
     
     }, function (e) { //解码出错时的回调函数
     
     console.log(‘Error decoding file’, e);
     
     });
     
     }
     
     function loadAudioFile(url) {
     
     
     var xhr = new XMLHttpRequest(); //通过XHR下载音频文件
     
     xhr.open(‘GET’, url, true);
     
     xhr.responseType = ‘arraybuffer’;
     
     xhr.onload = function (e) { //下载完成
     
     initSound(this.response);
     
     };
     
     xhr.send();
     
     }
     
     loadAudioFile(‘../Content/public/mp3/music2.mp3’);
     
     $(“#stop”).click(function () {
     
     
     stopSound();
     
     });
     
     } catch (e) {
     
     
     console.log(‘!Your browser does not support AudioContext’);
     
     }
    
转载于:https://www.cnblogs.com/lovemj/p/9915735.html
 
