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Update select.html

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luoyonghuang 2 months ago
parent 1fa4bf0c55
commit 285bcf0f92
1 changed files with 153 additions and 153 deletions
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select.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>随机点名</title>
<style>
body {
font-family: 'Arial', sans-serif;
height: 100vh;
margin: 0;
display: flex;
justify-content: center;
align-items: center;
background: linear-gradient(135deg, #6e45e2, #88d3ce);
color: white;
}
.container {
text-align: center;
background-color: rgba(255, 255, 255, 0.1);
padding: 30px;
border-radius: 15px;
box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}
#nameDisplay {
font-size: 2.5em;
margin-bottom: 20px;
padding: 20px;
border-radius: 10px;
background-color: rgba(255, 255, 255, 0.2);
transition: all 0.3s ease;
}
#nameDisplay.active {
transform: scale(1.1);
color: #ffeb3b;
}
button {
padding: 12px 30px;
font-size: 1.1em;
border: none;
border-radius: 50px;
background-color: #ff5722;
color: white;
cursor: pointer;
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
button:hover {
background-color: #ff3d00;
box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
button:disabled {
background-color: #999;
cursor: not-allowed;
}
button + button {
margin-left: 15px;
}
</style>
</head>
<body>
<div class="container">
<div id="nameDisplay">准备开始提问</div>
<button id="startButton">开始</button>
<button id="stopButton" disabled>停止</button>
<button class="back-button" onclick="window.location.href='index.html'">返回主页面</button>
</div>
<script>
let names = [];
let intervalId = null;
// 获取 DOM 元素
const nameDisplay = document.querySelector('#nameDisplay');
const startButton = document.querySelector('#startButton');
const stopButton = document.querySelector('#stopButton');
// 页面加载时获取学生名单
window.addEventListener('DOMContentLoaded', fetchStudents);
// 获取学生名单
async function fetchStudents() {
try {
const response = await fetch('/api/get-students');
if (!response.ok) {
throw new Error('Network response was not ok');
}
const data = await response.json();
names = data.map(student => student.student_name);
} catch (error) {
console.error('Error fetching student list:', error);
}
}
// 动态更新显示效果
const updateNameDisplay = (name) => {
nameDisplay.textContent = `点到: ${name}`;
nameDisplay.classList.add('active');
setTimeout(() => {
nameDisplay.classList.remove('active');
}, 300);
};
// 开始滚动显示
startButton.addEventListener('click', () => {
startButton.disabled = true;
stopButton.disabled = false;
intervalId = setInterval(() => {
// 从 names 数组中随机选择一个名字进行滚动显示
const randomIndex = Math.floor(Math.random() * names.length);
const selectedName = names[randomIndex];
// 更新显示选中的名字
updateNameDisplay(selectedName);
}, 100); // 每100毫秒滚动显示一次
});
// 停止滚动并通过后端决定最终选择的学生
stopButton.addEventListener('click', () => {
clearInterval(intervalId);
startButton.disabled = false;
stopButton.disabled = true;
// 调用后端接口获取最终选中的学生
fetch('/api/random-call')
.then(response => {
if (!response.ok) {
throw new Error('Network response was not ok');
}
return response.json();
})
.then(data => {
// 从后端返回的数据中获取学生名字
if (data.student && data.student.name) {
const selectedName = data.student.name;
// 更新显示选中的学生
updateNameDisplay(selectedName);
// 跳转到新页面并传递被选中的名字
window.location.href = `choice.html?name=${encodeURIComponent(selectedName)}`;
} else {
console.error('未返回有效学生数据');
}
})
.catch(error => {
console.error('请求失败:', error);
});
});
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>随机点名</title>
<style>
body {
font-family: 'Arial', sans-serif;
height: 100vh;
margin: 0;
display: flex;
justify-content: center;
align-items: center;
background: linear-gradient(135deg, #6e45e2, #88d3ce);
color: white;
}
.container {
text-align: center;
background-color: rgba(255, 255, 255, 0.1);
padding: 30px;
border-radius: 15px;
box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}
#nameDisplay {
font-size: 2.5em;
margin-bottom: 20px;
padding: 20px;
border-radius: 10px;
background-color: rgba(255, 255, 255, 0.2);
transition: all 0.3s ease;
}
#nameDisplay.active {
transform: scale(1.1);
color: #ffeb3b;
}
button {
padding: 12px 30px;
font-size: 1.1em;
border: none;
border-radius: 50px;
background-color: #ff5722;
color: white;
cursor: pointer;
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
button:hover {
background-color: #ff3d00;
box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
button:disabled {
background-color: #999;
cursor: not-allowed;
}
button + button {
margin-left: 15px;
}
</style>
</head>
<body>
<div class="container">
<div id="nameDisplay">准备开始提问</div>
<button id="startButton">开始</button>
<button id="stopButton" disabled>停止</button>
<button class="back-button" onclick="window.location.href='index.html'">返回主页面</button>
</div>
<script>
let names = [];
let intervalId = null;
// 获取 DOM 元素
const nameDisplay = document.querySelector('#nameDisplay');
const startButton = document.querySelector('#startButton');
const stopButton = document.querySelector('#stopButton');
// 页面加载时获取学生名单
window.addEventListener('DOMContentLoaded', fetchStudents);
// 获取学生名单
async function fetchStudents() {
try {
const response = await fetch('/api/get-students');
if (!response.ok) {
throw new Error('Network response was not ok');
}
const data = await response.json();
names = data.map(student => student.student_name);
} catch (error) {
console.error('Error fetching student list:', error);
}
}
// 动态更新显示效果
const updateNameDisplay = (name) => {
nameDisplay.textContent = `点到: ${name}`;
nameDisplay.classList.add('active');
setTimeout(() => {
nameDisplay.classList.remove('active');
}, 300);
};
// 开始滚动显示
startButton.addEventListener('click', () => {
startButton.disabled = true;
stopButton.disabled = false;
intervalId = setInterval(() => {
// 从 names 数组中随机选择一个名字进行滚动显示
const randomIndex = Math.floor(Math.random() * names.length);
const selectedName = names[randomIndex];
// 更新显示选中的名字
updateNameDisplay(selectedName);
}, 100); // 每100毫秒滚动显示一次
});
// 停止滚动并通过后端决定最终选择的学生
stopButton.addEventListener('click', async () => {
clearInterval(intervalId);
startButton.disabled = false;
stopButton.disabled = true;
try {
const response = await fetch('/api/random-call');
if (!response.ok) {
throw new Error('Network response was not ok');
}
const data = await response.json();
// 从后端返回的数据中获取学生名字
const selectedName = data.student_name; // student_name 属性
if (selectedName) {
// 更新显示选中的学生
updateNameDisplay(selectedName);
// 跳转到新页面并传递被选中的名字
window.location.href = `choice.html?student_name=${encodeURIComponent(data.student_name)}&student_id=${encodeURIComponent(data.student_id)}`;
} else {
console.error('未返回有效学生数据');
}
} catch (error) {
console.error('请求失败:', error);
}
});
</script>
</body>
</html>

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