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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>积分显示</title>
<style>
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #283c86, #45a247); /* 深蓝到绿色的渐变 */
height: 100vh;
margin: 0;
display: flex;
justify-content: center;
align-items: center;
color: #ffffff; /* 白色字体 */
}
.container {
width: 90%;
max-width: 800px;
background: rgba(50, 50, 70, 0.9); /* 更深的背景色 */
padding: 40px;
border-radius: 20px;
box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
backdrop-filter: blur(10px); /* 增加模糊效果 */
border: 1px solid rgba(255, 255, 255, 0.2);
text-align: center;
}
h1 {
margin-bottom: 30px;
font-size: 2em;
color: #ff5722; /* 标题颜色 */
text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5); /* 文字阴影 */
}
#sortButton {
padding: 15px 30px;
font-size: 1.1em;
border: none;
border-radius: 50px;
background: linear-gradient(45deg, #6a82fb, #fc5c7d); /* 渐变按钮 */
color: white;
cursor: pointer;
transition: transform 0.2s, background 0.3s, box-shadow 0.3s;
margin-bottom: 20px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
#sortButton:hover {
background: linear-gradient(45deg, #5a72d6, #e54d84); /* 悬停时加深 */
transform: translateY(-3px); /* 悬停时上移效果 */
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
table {
width: 100%;
border-collapse: collapse;
margin-top: 10px;
}
th, td {
padding: 12px 15px;
border-bottom: 1px solid rgba(255, 255, 255, 0.2); /* 边框颜色 */
font-size: 1em;
color: #ffffff; /* 字体颜色 */
}
th {
background-color: #4CAF50; /* 表头背景颜色 */
color: white;
}
tr:hover {
background-color: rgba(255, 255, 255, 0.1); /* 悬停行的颜色 */
}
.button-group {
margin-top: 30px;
display: flex;
justify-content: space-between;
gap: 10px;
}
.back-button, .clear-button {
padding: 15px 30px;
font-size: 1.1em;
border: none;
border-radius: 50px;
color: white;
cursor: pointer;
transition: background-color 0.3s, transform 0.2s, box-shadow 0.3s;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
.back-button {
background: linear-gradient(45deg, #6a82fb, #fc5c7d); /* 渐变背景 */
}
.back-button:hover {
background: linear-gradient(45deg, #5a72d6, #e54d84); /* 悬停时加深 */
transform: translateY(-3px); /* 悬停时上移效果 */
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
.clear-button {
background: linear-gradient(45deg, #f44336, #e53935); /* 渐变背景 */
}
.clear-button:hover {
background: linear-gradient(45deg, #d32f2f, #c62828); /* 悬停时加深 */
transform: translateY(-3px); /* 悬停时上移效果 */
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
@media (max-width: 600px) {
th, td {
padding: 8px 10px;
}
#sortButton, .button-group button {
width: 100%;
margin: 10px 0;
}
}
</style>
</head>
<body>
<div class="container">
<h1>2024K班积分排名</h1>
<button id="sortButton">切换排序 (降序)</button>
<table>
<thead>
<tr>
<th>姓名</th>
<th>学号</th>
<th>积分</th>
</tr>
</thead>
<tbody id="studentList">
<!-- 学生积分将在此处显示 -->
</tbody>
</table>
<div class="button-group">
<button class="back-button" onclick="window.location.href='index.html'">返回主页面</button>
<button class="clear-button" id="clearButton">清除所有数据</button>
</div>
</div>
<script>
const studentList = document.getElementById('studentList');
const sortButton = document.getElementById('sortButton');
const clearButton = document.getElementById('clearButton');
let ascend = false; // 默认降序
//删除表
async function deleteTable(tableName) {
try {
const response = await fetch('/api/delete-table', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({ tableName }),
});
if (!response.ok) {
throw new Error('删除表失败');
}
const data = await response.json();
alert(data.message); // 成功后显示消息
} catch (error) {
console.error('删除表操作失败:', error);
alert('删除表失败');
}
}
// 获取按分数降序排列的学生排名
async function fetchDescendRanking() {
try {
const response = await fetch('/api/descend_ranking');
if (!response.ok) {
return null;
}
const ranking = await response.json(); // 获取并解析为JSON数组
return ranking; // 返回排名数组
} catch (error) {
console.error('请求失败:', error);
return null;
}
}
// 获取按分数升序排列的学生排名
async function fetchAscendRanking() {
try {
const response = await fetch('/api/ascend_ranking');
if (!response.ok) {
return null;
}
const ranking = await response.json(); // 获取并解析为JSON数组
return ranking; // 返回排名数组
} catch (error) {
console.error('请求失败:', error);
return null;
}
}
async function displayStudents() {
let ranking; // 声明 ranking 变量
if (ascend) {
ranking = await fetchAscendRanking(); // 获取升序排名
} else {
ranking = await fetchDescendRanking(); // 获取降序排名
}
studentList.innerHTML = ''; // 清空表格内容
// 只显示前10名学生
ranking.slice(0, 10).forEach(student => {
studentList.innerHTML += `
<tr>
<td>${student.student_name}</td> <!-- 学生姓名 -->
<td>${student.student_id}</td> <!-- 学生ID -->
<td>${student.score}</td> <!-- 学生分数 -->
</tr>
`;
});
}
sortButton.addEventListener('click', () => {
ascend = !ascend;
sortButton.textContent = `切换排序 (${ascend ? '升序' : '降序'})`;
displayStudents();
});
clearButton.addEventListener('click', () => {
const confirmation = confirm("确定要清除所有学生数据吗?此操作无法撤销!");
if (confirmation) {
deleteTable('students');
displayStudents(); // 重新显示清空后的数据
}
});
displayStudents();
</script>
</body>
</html>