parent
1fa4bf0c55
commit
285bcf0f92
@ -1,153 +1,153 @@
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<!DOCTYPE html>
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<!DOCTYPE html>
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<html lang="en">
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<html lang="en">
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<head>
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<head>
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<meta charset="UTF-8">
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>随机点名</title>
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<title>随机点名</title>
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<style>
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<style>
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body {
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body {
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font-family: 'Arial', sans-serif;
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font-family: 'Arial', sans-serif;
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height: 100vh;
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height: 100vh;
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margin: 0;
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margin: 0;
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display: flex;
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display: flex;
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justify-content: center;
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justify-content: center;
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align-items: center;
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align-items: center;
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background: linear-gradient(135deg, #6e45e2, #88d3ce);
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background: linear-gradient(135deg, #6e45e2, #88d3ce);
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color: white;
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color: white;
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}
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}
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.container {
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.container {
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text-align: center;
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text-align: center;
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background-color: rgba(255, 255, 255, 0.1);
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background-color: rgba(255, 255, 255, 0.1);
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padding: 30px;
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padding: 30px;
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border-radius: 15px;
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border-radius: 15px;
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box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
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box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
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}
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}
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#nameDisplay {
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#nameDisplay {
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font-size: 2.5em;
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font-size: 2.5em;
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margin-bottom: 20px;
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margin-bottom: 20px;
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padding: 20px;
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padding: 20px;
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border-radius: 10px;
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border-radius: 10px;
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background-color: rgba(255, 255, 255, 0.2);
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background-color: rgba(255, 255, 255, 0.2);
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transition: all 0.3s ease;
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transition: all 0.3s ease;
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}
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}
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#nameDisplay.active {
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#nameDisplay.active {
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transform: scale(1.1);
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transform: scale(1.1);
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color: #ffeb3b;
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color: #ffeb3b;
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}
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}
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button {
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button {
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padding: 12px 30px;
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padding: 12px 30px;
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font-size: 1.1em;
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font-size: 1.1em;
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border: none;
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border: none;
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border-radius: 50px;
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border-radius: 50px;
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background-color: #ff5722;
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background-color: #ff5722;
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color: white;
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color: white;
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cursor: pointer;
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cursor: pointer;
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box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
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box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
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transition: background-color 0.3s ease, box-shadow 0.3s ease;
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transition: background-color 0.3s ease, box-shadow 0.3s ease;
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}
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}
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button:hover {
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button:hover {
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background-color: #ff3d00;
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background-color: #ff3d00;
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box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
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box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
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}
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}
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button:disabled {
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button:disabled {
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background-color: #999;
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background-color: #999;
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cursor: not-allowed;
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cursor: not-allowed;
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}
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}
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button + button {
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button + button {
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margin-left: 15px;
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margin-left: 15px;
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}
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}
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</style>
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</style>
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</head>
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</head>
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<body>
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<body>
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<div class="container">
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<div class="container">
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<div id="nameDisplay">准备开始提问</div>
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<div id="nameDisplay">准备开始提问</div>
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<button id="startButton">开始</button>
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<button id="startButton">开始</button>
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<button id="stopButton" disabled>停止</button>
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<button id="stopButton" disabled>停止</button>
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<button class="back-button" onclick="window.location.href='index.html'">返回主页面</button>
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<button class="back-button" onclick="window.location.href='index.html'">返回主页面</button>
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</div>
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</div>
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<script>
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<script>
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let names = [];
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let names = [];
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let intervalId = null;
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let intervalId = null;
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// 获取 DOM 元素
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// 获取 DOM 元素
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const nameDisplay = document.querySelector('#nameDisplay');
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const nameDisplay = document.querySelector('#nameDisplay');
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const startButton = document.querySelector('#startButton');
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const startButton = document.querySelector('#startButton');
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const stopButton = document.querySelector('#stopButton');
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const stopButton = document.querySelector('#stopButton');
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// 页面加载时获取学生名单
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// 页面加载时获取学生名单
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window.addEventListener('DOMContentLoaded', fetchStudents);
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window.addEventListener('DOMContentLoaded', fetchStudents);
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// 获取学生名单
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// 获取学生名单
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async function fetchStudents() {
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async function fetchStudents() {
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try {
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try {
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const response = await fetch('/api/get-students');
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const response = await fetch('/api/get-students');
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if (!response.ok) {
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if (!response.ok) {
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throw new Error('Network response was not ok');
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throw new Error('Network response was not ok');
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}
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}
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const data = await response.json();
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const data = await response.json();
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names = data.map(student => student.student_name);
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names = data.map(student => student.student_name);
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} catch (error) {
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} catch (error) {
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console.error('Error fetching student list:', error);
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console.error('Error fetching student list:', error);
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}
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}
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}
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}
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// 动态更新显示效果
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// 动态更新显示效果
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const updateNameDisplay = (name) => {
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const updateNameDisplay = (name) => {
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nameDisplay.textContent = `点到: ${name}`;
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nameDisplay.textContent = `点到: ${name}`;
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nameDisplay.classList.add('active');
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nameDisplay.classList.add('active');
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setTimeout(() => {
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setTimeout(() => {
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nameDisplay.classList.remove('active');
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nameDisplay.classList.remove('active');
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}, 300);
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}, 300);
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};
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};
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// 开始滚动显示
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// 开始滚动显示
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startButton.addEventListener('click', () => {
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startButton.addEventListener('click', () => {
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startButton.disabled = true;
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startButton.disabled = true;
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stopButton.disabled = false;
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stopButton.disabled = false;
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intervalId = setInterval(() => {
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intervalId = setInterval(() => {
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// 从 names 数组中随机选择一个名字进行滚动显示
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// 从 names 数组中随机选择一个名字进行滚动显示
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const randomIndex = Math.floor(Math.random() * names.length);
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const randomIndex = Math.floor(Math.random() * names.length);
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const selectedName = names[randomIndex];
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const selectedName = names[randomIndex];
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// 更新显示选中的名字
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// 更新显示选中的名字
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updateNameDisplay(selectedName);
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updateNameDisplay(selectedName);
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}, 100); // 每100毫秒滚动显示一次
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}, 100); // 每100毫秒滚动显示一次
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});
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});
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// 停止滚动并通过后端决定最终选择的学生
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// 停止滚动并通过后端决定最终选择的学生
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stopButton.addEventListener('click', () => {
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stopButton.addEventListener('click', async () => {
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clearInterval(intervalId);
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clearInterval(intervalId);
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startButton.disabled = false;
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startButton.disabled = false;
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stopButton.disabled = true;
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stopButton.disabled = true;
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// 调用后端接口获取最终选中的学生
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try {
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fetch('/api/random-call')
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const response = await fetch('/api/random-call');
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.then(response => {
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if (!response.ok) {
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if (!response.ok) {
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throw new Error('Network response was not ok');
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throw new Error('Network response was not ok');
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}
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}
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return response.json();
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})
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const data = await response.json();
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.then(data => {
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// 从后端返回的数据中获取学生名字
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// 从后端返回的数据中获取学生名字
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const selectedName = data.student_name; // student_name 属性
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if (data.student && data.student.name) {
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const selectedName = data.student.name;
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if (selectedName) {
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// 更新显示选中的学生
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// 更新显示选中的学生
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updateNameDisplay(selectedName);
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updateNameDisplay(selectedName);
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// 跳转到新页面并传递被选中的名字
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// 跳转到新页面并传递被选中的名字
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window.location.href = `choice.html?name=${encodeURIComponent(selectedName)}`;
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window.location.href = `choice.html?student_name=${encodeURIComponent(data.student_name)}&student_id=${encodeURIComponent(data.student_id)}`;
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} else {
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} else {
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console.error('未返回有效学生数据');
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console.error('未返回有效学生数据');
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}
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}
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})
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} catch (error) {
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.catch(error => {
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console.error('请求失败:', error);
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console.error('请求失败:', error);
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}
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});
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});
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});
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</script>
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</script>
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</body>
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</body>
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</html>
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</html>
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