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							- <!DOCTYPE html>
 
- <html lang="ZH-cn">
 
- <head>
 
-   <meta charset="UTF-8" />
 
-   <link rel="icon" href="/favicon.ico" />
 
-   <title>管乐团云练习</title>
 
-   <meta name="description" content="管乐团APP,器乐学习的不二选择" />
 
-   <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no" />
 
-   <script>
 
-     this.globalThis || (this.globalThis = this)
 
-   </script>
 
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-   <link href="/vant.css" rel="stylesheet">
 
-   <script>
 
-     if (window.navigator && navigator.serviceWorker) {
 
-       navigator.serviceWorker.getRegistrations().then(function (registrations) {
 
-         for (let registration of registrations) {
 
-           registration.unregister()
 
-         }
 
-       })
 
-     }
 
-     function _postMessage(data, callback) {
 
-       const instance = window.ORCHESTRA || (window.webkit && window.webkit.messageHandlers && window.webkit.messageHandlers.ORCHESTRA)
 
-       if (instance) {
 
-         const uuid = '' + Date.now() + Math.floor(Math.random() * 1000000)
 
-         data.content = data.content ? { ...data.content, uuid } : { uuid }
 
-         console.log('h5发送:', JSON.stringify(data))
 
-         instance.postMessage(JSON.stringify(data))
 
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-     }
 
-     _postMessage({
 
-       api: 'cloudLoading',
 
-       content: {
 
-         show: true,
 
-         type: 'fullscreen',
 
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-   <style>
 
-     #lottieWeb {
 
-       position: fixed;
 
-       z-index: 100;
 
-       top: 50%;
 
-       left: 50%;
 
-       width: 100Px;
 
-       height: 100Px;
 
-       transform: translate(-50%, -50%);
 
-       pointer-events: none;
 
-       transition: opacity .3s;
 
-     }
 
-   </style>
 
- </head>
 
- <body>
 
-   <div id="app"></div>
 
-   <div id="lottieWeb"></div>
 
-   <script>
 
-     lottie.loadAnimation({
 
-       container: document.getElementById('lottieWeb'),
 
-       renderer: 'svg',
 
-       width: '30px',
 
-       height: '30px',
 
-       loop: true,
 
-       autoplay: true,
 
-       path: '/orchestra-music-score/loading.json'
 
-     });
 
-     window.addEventListener('load', function () {
 
-       const loadingEle = document.getElementById('lottieWeb')
 
-       loadingEle.style.opacity = '0'
 
-       setTimeout(() => {
 
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