使用 AudioContext 播放音频，解决谷歌禁止自动播放音频。
playAudio('/common/bg.mp3', true;
function playAudio(audio_src, loop {
if (typeof loop == 'undefined' {
loop = false;
}
var AudioContext = window.AudioContext || window.webkitAudioContext || window.mozAudioContext || window.msAudioContext;
try {
var globalBgAudioContext = new AudioContext(;
var source = null;
var audioBuffer = null;
function stopSound( {
if (source {
source.stop(0;
}
}
function playSound( {
source = globalBgAudioContext.createBufferSource(;
source.buffer = audioBuffer;
source.loop = loop;
source.connect(globalBgAudioContext.destination;
source.start(0;
}
function initSound(arrayBuffer {
globalBgAudioContext.decodeAudioData(arrayBuffer, function (buffer {
audioBuffer = buffer;
playSound(;
}, function (e {
console.log('Error decoding file', e;
};
}
function loadAudioFile(url {
var xhr = new XMLHttpRequest(;
xhr.open('GET', url, true;
xhr.responseType = 'arraybuffer';
xhr.onload = function (e {
initSound(this.response;
};
xhr.send(;
}
loadAudioFile(audio_src;
$("#stop".click(function ( {
stopSound(;
};
} catch (e {
console.log('!Your browser does not support AudioContext';
}
document.documentElement.addEventListener('mousedown', ( => {
if (globalBgAudioContext.state !== 'running'
globalBgAudioContext.resume(;
};
}