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Update students.html #2

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245 changes: 242 additions & 3 deletions students.html
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,8 @@
<html>
<head>
<meta charset="UTF-8">
<title>随机点名</title>
<title>智能考勤</title>
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<style>
body {
display: flex;
Expand All @@ -12,6 +13,10 @@
height: 100vh;
margin: 0;
}
hr {
margin: 80px 0;
width: 100%;
}
button {
font-size: 2rem;
padding: 1rem 2rem;
Expand All @@ -20,10 +25,44 @@
font-size: 2rem;
margin-top: 1rem;
}
.dashboard {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 20px;
padding: 20px;
width: 80%;
}
.chart-container {
background: white;
padding: 20px;
border-radius: 10px;
box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
.alert {
color: red;
padding: 10px;
margin: 10px 0;
}
.control-panel {
display: flex;
gap: 10px;
padding: 20px;
flex-wrap: wrap;
}
.notification {
position: fixed;
top: 20px;
right: 20px;
background: #ffeb3b;
padding: 15px;
border-radius: 5px;
box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
</style>
</head>
<body>
<button onclick="document.getElementById('result').innerText = students[Math.floor(Math.random() * students.length)]">
<hr>
<button onclick="document.getElementById('result').innerText = students[Math.floor(Math.random() * students.length)]">
点名
</button>
<p id="result"></p>
Expand Down Expand Up @@ -82,7 +121,7 @@
"姚书璟",
"姚宇翔",
"叶崇杰",
"游璐玮",
"23336289",
"于远洋",
"余俊翰",
"余鑫",
Expand Down Expand Up @@ -155,5 +194,205 @@
"吕振宁",
"郭靖宇"];
</script>
<div class="control-panel">
<div>
<select id="status">
<option value="present">出勤</option>
<option value="late">迟到</option>
<option value="early">早退</option>
<option value="absent">缺勤</option>
</select>
<select id="class">
<option value="软件工程一班">软件工程一班</option>
<option value="软件工程二班">软件工程二班</option>
<option value="软件工程三班">软件工程三班</option>
</select>
<button onclick="recordAttendance()">记录考勤</button>
</div>
<div>
<select id="reportRange" onchange="updateCharts()">
<option value="daily">日报</option>
<option value="weekly">周报</option>
<option value="monthly">月报</option>
</select>
<input type="time" id="reminderTime" value="09:00">
<button onclick="saveSettings()">保存设置</button>
</div>
<div class="control-panel">

<div>
<button onclick="clearAllRecords()" style="background-color: #ff4444; color: white;">一键清空记录</button>
</div>
</div>
</div>

<div class="dashboard">
<div class="chart-container">
<canvas id="attendanceChart"></canvas>
</div>
<div class="chart-container">
<canvas id="classComparison"></canvas>
</div>
</div>

<div id="alerts"></div>
<div id="notification" class="notification" style="display: none;"></div>

<script>
const classColors = {
"软件工程一班": "#4CAF50",
"软件工程二班": "#2196F3",
"软件工程三班": "#FF9800"
};

function clearAllRecords() {
if (confirm("确定要清空所有考勤记录吗？此操作不可恢复！")) {
localStorage.removeItem('attendanceData');
attendanceData = [];

if (charts.attendanceChart) charts.attendanceChart.destroy();
if (charts.classComparison) charts.classComparison.destroy();

updateCharts();

document.getElementById('alerts').innerHTML = '';

showNotification('所有记录已清空', 5000);
}
}
let charts = {};
let attendanceData = JSON.parse(localStorage.getItem('attendanceData')) || [];
let settings = JSON.parse(localStorage.getItem('settings')) || { reminderTime: '09:00' };

// 保存设置
function saveSettings() {
settings.reminderTime = document.getElementById('reminderTime').value;
localStorage.setItem('settings', JSON.stringify(settings));
showNotification('设置已保存');
}

// 考勤记录
function recordAttendance() {
const student = students[Math.floor(Math.random() * students.length)];
const status = document.getElementById('status').value;
const className = document.getElementById('class').value;

const record = {
student,
status,
class: className,
timestamp: new Date().toISOString()
};

attendanceData.push(record);
localStorage.setItem('attendanceData', JSON.stringify(attendanceData));

checkAttendancePatterns();
updateCharts();
showNotification('考勤记录已保存');
}

// 生成报表
function generateReport() {
const range = document.getElementById('reportRange').value;
const now = new Date();
return attendanceData.filter(record => {
const recordDate = new Date(record.timestamp);
switch(range) {
case 'weekly':
return recordDate > new Date(now.setDate(now.getDate() - 7));
case 'monthly':
return new Date(recordDate).getMonth() === new Date().getMonth();
default:
return recordDate.toDateString() === new Date().toDateString();
}
});
}

// 数据可视化
function updateCharts() {
const reportData = generateReport();

// 销毁旧图表
if (charts.attendanceChart) charts.attendanceChart.destroy();
if (charts.classComparison) charts.classComparison.destroy();

// 考勤分布饼图
const statusCounts = reportData.reduce((acc, {status}) => {
acc[status] = (acc[status] || 0) + 1;
return acc;
}, {});

charts.attendanceChart = new Chart(document.getElementById('attendanceChart'), {
type: 'pie',
data: {
labels: Object.keys(statusCounts),
datasets: [{
data: Object.values(statusCounts),
backgroundColor: ['#4CAF50', '#FFC107', '#FF5722', '#F44336']
}]
}
});

// 班级比较柱状图
const classes = [...new Set(reportData.map(r => r.class))];
const datasets = classes.map(className => {
const classData = reportData.filter(r => r.class === className);
const total = classData.length;
return {
label: className,
data: [
(classData.filter(d => d.status === 'present').length / total * 100).toFixed(2),
(classData.filter(d => d.status === 'late').length / total * 100).toFixed(2),
(classData.filter(d => d.status === 'early').length / total * 100).toFixed(2)
],
backgroundColor: classColors[className] || "#9E9E9E" // 使用预设颜色，默认灰色
};
});

charts.classComparison = new Chart(document.getElementById('classComparison'), {
type: 'bar',
data: {
labels: ['出勤率', '迟到率', '早退率'],
datasets: datasets
},
options: {
scales: {
y: {
beginAtZero: true,
title: {
display: true,
text: '百分比 (%)'
}
}
}
}
});
}

// 点名提醒
function checkRollCallReminder() {
const [targetHours, targetMinutes] = settings.reminderTime.split(':');
const now = new Date();

if (now.getHours() === parseInt(targetHours) &&
now.getMinutes() === parseInt(targetMinutes)) {
showNotification('即将到点名时间，请准备开始考勤！');
}
}

// 显示通知
function showNotification(message, duration=3000) {
const el = document.getElementById('notification');
el.style.display = 'block';
el.textContent = message;
setTimeout(() => el.style.display = 'none', duration);
}

// 初始化
document.getElementById('reminderTime').value = settings.reminderTime;
setInterval(checkRollCallReminder, 60000);
updateCharts();
</script>
</body>
</html>