这里写自定义目录标题
1.从同事哪里白嫖过来的,主要是jq写的,需要单独引入jq cdn
2.打开index.html 将代码放到里面
<!DOCTYPE html>
<html><head><meta charset="utf-8" /><metaname="viewport"content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no"/><title>全局音乐</title></head><style>@-webkit-keyframes rotate_music{0%{transform: rotate(0deg);} 50%{transform: rotate(180deg);} 100%{transform: rotate(360deg);}}
.music{position: absolute; width: .6rem; height: .6rem; z-index: 2; right: 3%; top:6%; }
.music_rotate{-webkit-animation:rotate_music 5s linear infinite; transform-origin: 50% 50%;}
.map{ animation-play-state: paused}
.wid100{width: 100%;}</style><body style="background-color: #fff;"><div class="music music_rotate"><imgsrc="音乐图标地址"class="wid100"alt=""/></div><div id="app"></div><!-- built files will be auto injected --><div style="display: none"><scripttype="text/javascript"src="https://v1.cnzz.com/z_stat.php?id=1280693457&web_id=1280693457"></script></div></body><!--引入jq--><scriptsrc="https://lf9-cdn-tos.bytecdntp.com/cdn/expire-1-M/jquery/1.7.2/jquery.min.js"type="application/javascript"></script><script>new BGMAutoPlayMgr("必须是线上音乐地址,本地好像不行");function BGMAutoPlayMgr(url) {this.audioContext = new (window.AudioContext ||window.webkitAudioContext ||window.mozAudioContext)();this.sourceNode = null;this.buffer = null;this.isPlayingBGM = false;this.toggleBGM = function() {if (typeof this.sourceNode == "object") {if (this.isPlayingBGM) {this.sourceNode.stop();this.isPlayingBGM = false;$(".music").addClass("map");} else {$(".music").removeClass("map");this._playSourceNode();}}};this._playSourceNode = function() {const audioContext = this.audioContext;audioContext.resume();const _sourceNode = audioContext.createBufferSource();_sourceNode.buffer = this.buffer;_sourceNode.loop = true;_sourceNode.connect(audioContext.destination);_sourceNode.start(0);this.sourceNode = _sourceNode;this.isPlayingBGM = true;};let loadAndAutoPlay = audioUrl => {const audioContext = this.audioContext;const xhr = new XMLHttpRequest();xhr.open("GET", audioUrl, true);xhr.responseType = "arraybuffer";xhr.onreadystatechange = () => {if (xhr.status < 400 && xhr.status >= 200 && xhr.readyState === 4) {audioContext.decodeAudioData(xhr.response, buffer => {this.buffer = buffer;WeixinJSBridge.invoke("getNetworkType", {}, () =>this._playSourceNode());});}};xhr.send();};loadAndAutoPlay(url);loadAndAutoPlay = null;let that = this;$(".music").on("click", function() {that.toggleBGM();});}</script>
</html>