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add flowchart dead data info
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yuetsh
2025-12-13 17:48:31 +08:00
parent f0f9c74973
commit 1cb96a1073
8 changed files with 389 additions and 19 deletions
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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>Python流程图作业 - 学情分析看板</title>
<script src="https://cdn.jsdelivr.net/npm/echarts@5.4.3/dist/echarts.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/echarts-wordcloud@2.1.0/dist/echarts-wordcloud.min.js"></script>
<style>
:root {
--bg-color: #f0f2f5;
--card-bg: #ffffff;
--primary: #1890ff;
--text-main: #333;
--text-secondary: #666;
}
body {
font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
background-color: var(--bg-color);
margin: 0;
padding: 20px;
}
.header {
text-align: center;
margin-bottom: 20px;
}
.header h1 { color: var(--text-main); margin: 0; }
.header p { color: var(--text-secondary); margin-top: 5px; }
/* 顶部概览卡片 */
.overview-container {
display: flex;
justify-content: space-between;
gap: 20px;
margin-bottom: 20px;
}
.card {
background: var(--card-bg);
border-radius: 8px;
padding: 20px;
box-shadow: 0 2px 8px rgba(0,0,0,0.1);
flex: 1;
transition: transform 0.3s;
}
.card:hover { transform: translateY(-5px); }
.stat-title { font-size: 14px; color: var(--text-secondary); }
.stat-value { font-size: 28px; font-weight: bold; color: var(--text-main); margin-top: 10px; }
.stat-sub { font-size: 12px; color: #52c41a; margin-top: 5px; }
/* 图表布局 */
.charts-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
margin-bottom: 20px;
}
.chart-box {
background: var(--card-bg);
border-radius: 8px;
padding: 20px;
box-shadow: 0 2px 8px rgba(0,0,0,0.1);
height: 400px;
}
.chart-title {
font-size: 16px;
font-weight: bold;
border-left: 4px solid var(--primary);
padding-left: 10px;
margin-bottom: 15px;
}
/* 学生列表 */
.student-list {
background: var(--card-bg);
border-radius: 8px;
padding: 20px;
box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid #eee; }
th { background-color: #fafafa; color: var(--text-secondary); }
.tag {
padding: 4px 8px;
border-radius: 4px;
font-size: 12px;
font-weight: bold;
}
.tag-S { background: #fff7e6; color: #fa8c16; }
.tag-A { background: #e6f7ff; color: #1890ff; }
.tag-B { background: #f6ffed; color: #52c41a; }
.tag-C { background: #fff1f0; color: #f5222d; }
</style>
</head>
<body>
<div class="overview-container">
<div class="card">
<div class="stat-title">班级平均分</div>
<div class="stat-value" id="avgScore">0</div>
<div class="stat-sub">↑ 比上周For循环 +2.5分</div>
</div>
<div class="card">
<div class="stat-title">S+A 级别（卓越+优秀）人数</div>
<div class="stat-value" id="countA">0</div>
<div class="stat-sub">占比 35.7%</div>
</div>
<div class="card">
<div class="stat-title">未掌握核心难点</div>
<div class="stat-value" style="color: #f5222d; font-size: 24px;">循环条件</div>
<div class="stat-sub">需重点讲解 a<100 边界</div>
</div>
</div>
<div class="charts-grid">
<div class="chart-box">
<div class="chart-title">作业评级分布</div>
<div id="pieChart" style="width: 100%; height: 340px;"></div>
</div>
<div class="chart-box">
<div class="chart-title">薄弱知识点词云 (AI分析)</div>
<div id="wordCloud" style="width: 100%; height: 340px;"></div>
</div>
</div>
<div class="charts-grid">
<div class="chart-box" style="grid-column: span 2;">
<div class="chart-title">全班分数段统计</div>
<div id="barChart" style="width: 100%; height: 340px;"></div>
</div>
</div>
<script>
// --- 1. 模拟数据生成 (40位同学) ---
const totalStudents = 40;
const students = [];
const familyNames = "赵钱孙李周吴郑王冯陈褚卫蒋沈韩杨";
// 精确分配等级人数：S 10% (4人), A 15% (6人), B 50% (20人), C 15% (6人), D 10% (4人)
const gradeDistribution = {
S: 4, // 10% = 4人
A: 6, // 15% = 6人
B: 20, // 50% = 20人
C: 6, // 15% = 6人
D: 4 // 10% = 4人
};
let gradeCounts = { S: 0, A: 0, B: 0, C: 0, D: 0 };
let totalScore = 0;
// 创建等级数组，确保精确分配
let levelQueue = [];
for (let level in gradeDistribution) {
for (let i = 0; i < gradeDistribution[level]; i++) {
levelQueue.push(level);
}
}
// 打乱顺序
for (let i = levelQueue.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[levelQueue[i], levelQueue[j]] = [levelQueue[j], levelQueue[i]];
}
for (let i = 1; i <= totalStudents; i++) {
let score;
let level = levelQueue[i - 1];
// 根据等级生成对应分数范围
if (level === 'S') {
// S级：95-100
score = Math.floor(Math.random() * (100 - 95 + 1) + 95);
} else if (level === 'A') {
// A级：85-94
score = Math.floor(Math.random() * (95 - 85) + 85);
} else if (level === 'B') {
// B级：70-84
score = Math.floor(Math.random() * (85 - 70) + 70);
} else if (level === 'C') {
// C级：60-69
score = Math.floor(Math.random() * (70 - 60) + 60);
} else {
// D级：50-59
score = Math.floor(Math.random() * (60 - 50) + 50);
}
gradeCounts[level]++;
totalScore += score;
let comment = "";
if (level === 'S') comment = "完美！逻辑清晰，变量初始化正确，闭环完美，代码规范。";
else if (level === 'A') comment = "逻辑清晰，变量初始化正确，闭环完美。";
else if (level === 'B') comment = "整体逻辑正确，但部分连线方向有误。";
else if (level === 'C') comment = "循环条件判断错误，导致死循环或无法进入。";
else comment = "基础概念理解不足，需要重新学习。";
students.push({
id: 2025000 + i,
name: familyNames[i % familyNames.length] + "同学",
score: score,
level: level,
comment: comment
});
}
// --- 2. 填充顶部数据 ---
document.getElementById('avgScore').innerText = (totalScore / totalStudents).toFixed(1);
const excellentCount = gradeCounts.S + gradeCounts.A; // S级和A级合计
document.getElementById('countA').innerText = excellentCount;
// 更新占比显示
const excellentPercent = ((excellentCount / totalStudents) * 100).toFixed(1);
const countACard = document.getElementById('countA').parentElement;
countACard.querySelector('.stat-sub').innerText = `占比 ${excellentPercent}%`;
// --- 3. 初始化图表 ---
// A. 饼图 - 等级分布
const pieChart = echarts.init(document.getElementById('pieChart'));
pieChart.setOption({
tooltip: { trigger: 'item' },
legend: { top: '5%', left: 'center' },
color: ['#fa8c16', '#1890ff', '#52c41a', '#faad14', '#f5222d'],
series: [{
name: '评级占比',
type: 'pie',
radius: ['40%', '70%'],
avoidLabelOverlap: false,
itemStyle: { borderRadius: 10, borderColor: '#fff', borderWidth: 2 },
label: { show: false, position: 'center' },
emphasis: { label: { show: true, fontSize: 20, fontWeight: 'bold' } },
data: [
{ value: gradeCounts.S, name: 'S级 (卓越)' },
{ value: gradeCounts.A, name: 'A级 (优秀)' },
{ value: gradeCounts.B, name: 'B级 (良好)' },
{ value: gradeCounts.C, name: 'C级 (待改进)' }
]
}]
});
// B. 词云图 - 知识点掌握情况
// 这里重点突出“循环条件”
const wordChart = echarts.init(document.getElementById('wordCloud'));
wordChart.setOption({
tooltip: {},
series: [{
type: 'wordCloud',
gridSize: 2,
sizeRange: [12, 60], // 字体大小范围
rotationRange: [-45, 45],
shape: 'circle',
width: '100%',
height: '100%',
textStyle: {
fontFamily: 'sans-serif',
fontWeight: 'bold',
color: function () {
return 'rgb(' + [
Math.round(Math.random() * 160),
Math.round(Math.random() * 160),
Math.round(Math.random() * 160)
].join(',') + ')';
}
},
data: [
{ name: '循环条件', value: 150, textStyle: { color: 'red' } }, // 核心痛点
{ name: '变量初始化', value: 80 },
{ name: 'i=i+1', value: 70 },
{ name: 'a<100', value: 65 },
{ name: '死循环', value: 60 },
{ name: '连线方向', value: 50 },
{ name: '退出逻辑', value: 45 },
{ name: 'While语法', value: 40 },
{ name: 'Print缩进', value: 35 },
{ name: 'Yes/No分支', value: 30 },
{ name: '流程结束符', value: 25 },
{ name: '变量定义', value: 20 }
]
}]
});
// C. 柱状图 - 分数段
const barChart = echarts.init(document.getElementById('barChart'));
// 简单的分段统计
let ranges = { '90-100': 0, '80-89': 0, '70-79': 0, '60-69': 0, '<60': 0 };
students.forEach(s => {
if (s.score >= 90) ranges['90-100']++;
else if (s.score >= 80) ranges['80-89']++;
else if (s.score >= 70) ranges['70-79']++;
else if (s.score >= 60) ranges['60-69']++;
else ranges['<60']++;
});
barChart.setOption({
tooltip: { trigger: 'axis', axisPointer: { type: 'shadow' } },
grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true },
xAxis: { type: 'category', data: Object.keys(ranges) },
yAxis: { type: 'value' },
series: [{
name: '人数',
type: 'bar',
barWidth: '50%',
data: Object.values(ranges),
itemStyle: {
color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
{ offset: 0, color: '#83bff6' },
{ offset: 0.5, color: '#188df0' },
{ offset: 1, color: '#188df0' }
])
}
}]
});
// 窗口缩放适配
window.addEventListener('resize', function() {
pieChart.resize();
wordChart.resize();
barChart.resize();
});
</script>
</body>
</html>