<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>课堂随机点名</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100vh;
            margin: 0;
            background-color: #f4f4f9;
        }
        h1 {
            color: #333;
        }
        #name-display {
            font-size: 36px;
            color: #e74c3c;
            margin: 20px 0;
            text-align: center;
        }
        button {
            padding: 10px 20px;
            font-size: 18px;
            background-color: #3498db;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        button:hover {
            background-color: #2980b9;
        }
    </style>
</head>
<body>
    <h1></h1>
    <div id="name-display">点击开始点名</div>
    <button id="start-stop-button" onclick="toggleRollCall()">开始点名</button>
    <script>
        // 定义学生名单
        const students = [
"梁亚迪","程佳慧","翟可可","王飞扬","申梓颖","聂梦阳","黄稣阳","马旭东","朱奥琪","方文涛","陶荣奥","李欣","李佳瑞","陈心怡","陈奥雄","李志博",
"康振轩","崔佳聪","梁晨辰","廉皓翔","高俏盈","毛一博","张颛武","冯宇涵","郑婧瑶","李家宝","陈思壮","常恬","张达毅","朱哲锐","毛清烺","尚文涵",
"刘翊睿","杨柳叶","王梓皓","刘志强","常博文","魏文凯","宋欣悦","车奥硕","刘襄满","杨梦琪","王怡博","李子康","何丁磊","邓宇泽","杨佳奥","冯鑫","王子航",
"李宇果","李汶锡","黄锃","胡家豪"

        ];
        let intervalId;
        let isRolling = false;
        function toggleRollCall() {
            const button = document.getElementById('start-stop-button');
            if (isRolling) {
                // 停止点名
                clearInterval(intervalId);
                button.textContent = "开始点名";
            } else {
                // 开始点名
                intervalId = setInterval(() => {
                    const randomIndex = Math.floor(Math.random() * students.length);
                    const randomName = students[randomIndex];
                    document.getElementById('name-display').textContent = randomName;
                }, 100);
                button.textContent = "停止点名";
            }
            isRolling = !isRolling;
        }
    </script>
</body>
</html>