OpenLearnsite/indexno.html at dev · ExploreMaths/OpenLearnsite · GitHub

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<html >
<head>
    <meta charset="utf-8" />
    <title>学习平台入口</title>
    <style>
        body {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            justify-content: center;
            align-items: center;
            margin: 0;
        }
		.ground
		{
			background-image: url('css/theme/student/ground.jpg');
			background-size:cover;
		}
		.banner
		{
			padding: 0px;
			top: 0px;
			margin: 0px;
			border-width: 0px;
			height: 100px;
			width: 100%;
			overflow: hidden;
			background-image: url('css/theme/student/road.jpg');
			background-repeat: no-repeat;
		}
        .link-container {
            text-align: center;
            margin: 30px 0;
        }
        .grade-link {
            display: inline-block;
            padding: 10px 20px;
            background-color: #4CAF50;
            color: white;
            text-decoration: none;
            border-radius: 5px;
            font-size: 16px;
            transition: background-color 0.3s;
        }
        .grade-link:hover {
            background-color: #45a049;
        }
        .banner {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            /* 可选：添加背景色或高度 */
            /* background: #fff; */
            /* height: 60px; */
			overflow: hidden;
			background-image: url('css/theme/student/road.jpg');
			background-repeat: no-repeat;
        }
    </style>
<body class="ground">
	<div  class="banner" ></div>
	<div class="link-container">
		<a id="grade7" class="grade-link">七年级学习平台入口（http协议访问）</a>
	</div>
	<div class="link-container">
		<a id="grade8" class="grade-link">八年级学习平台入口（https协议访问）</a>
	</div>
</body>
<script language="javascript">
	var used=true;
	var protocol = window.location.protocol; // 获取网址的协议部分，例如 "http:" 或 "https:"  window.location.href
	console.log(protocol); // 打印协议
	var hostip = location.host;
	var httpslink= 'https://'+hostip+'/index.aspx';
	var httplink= 'http://'+hostip+'/index.aspx';
	document.getElementById("grade7").href =httplink;
	document.getElementById("grade8").href =httpslink;

</script>
</html>