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							- <!DOCTYPE html>
 
- <html>
 
- <head>
 
-   <meta charset="utf-8">
 
-   <meta name="viewport" content="width=device-width,initial-scale=1.0">
 
-   <title>PBL教师端</title>
 
-   <link rel="shortcut icon" type="image/x-icon" href="static/logo.ico">
 
-   <style>
 
-     @charset "utf-8";
 
-     div::-webkit-scrollbar {
 
-       /*滚动条整体样式*/
 
-       width: 6px;
 
-       /*高宽分别对应横竖滚动条的尺寸*/
 
-       height: 6px;
 
-     }
 
-     /*定义滚动条轨道 内阴影+圆角*/
 
-     div::-webkit-scrollbar-track {
 
-       border-radius: 10px;
 
-       background-color: rgba(0, 0, 0, 0.1);
 
-     }
 
-     /*定义滑块 内阴影+圆角*/
 
-     div::-webkit-scrollbar-thumb {
 
-       border-radius: 10px;
 
-       -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, .3);
 
-       background-color: rgba(0, 0, 0, 0.1);
 
-     }
 
-     html,
 
-     body {
 
-       height: 100%;
 
-       width: 100%;
 
-       background: #e6eaf0;
 
-     }
 
-   </style>
 
- </head>
 
- <body>
 
-   <div id="app"></div>
 
-   <!-- built files will be auto injected -->
 
- </body>
 
- </html>
 
- <script>
 
-   function stopSafari() {
 
-     //阻止safari浏览器双击放大功能
 
-     let lastTouchEnd = 0  //更新手指弹起的时间
 
-     document.documentElement.addEventListener("touchstart", function (event) {
 
-       //多根手指同时按下屏幕,禁止默认行为
 
-       if (event.touches.length > 1) {
 
-         event.preventDefault();
 
-       }
 
-     });
 
-     document.documentElement.addEventListener("touchend", function (event) {
 
-       let now = (new Date()).getTime();
 
-       if (now - lastTouchEnd <= 300) {
 
-         //当两次手指弹起的时间小于300毫秒,认为双击屏幕行为
 
-         event.preventDefault();
 
-       } else { // 否则重新手指弹起的时间
 
-         lastTouchEnd = now;
 
-       }
 
-     }, false);
 
-     //阻止双指放大页面
 
-     document.documentElement.addEventListener("gesturestart", function (event) {
 
-       event.preventDefault();
 
-     });
 
-   }
 
-   window.onload = () => {
 
-     stopSafari();
 
-   }
 
-   
 
-   document.domain = document.domain.split(".").slice(-2).join(".");
 
- </script>
 
 
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