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YunNanProject/static/index.html

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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>云南教育决策研究服务系统</title>
<!-- 引入 ECharts -->
<script src="https://gcore.jsdelivr.net/npm/echarts@6.0.0/dist/echarts.min.js"></script>
<style>
body {
margin: 0;
padding: 20px;
font-family: 'Microsoft YaHei', sans-serif;
background-color: #f5f7fa;
}
.header {
text-align: center;
margin-bottom: 30px;
}
.header h1 {
color: #2c3e50;
margin-bottom: 10px;
}
.chart-container {
width: 100%;
max-width: 1200px;
margin: 0 auto 30px;
background-color: #fff;
border-radius: 8px;
box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
padding: 20px;
}
.chart {
width: 100%;
height: 400px;
}
.controls {
margin-bottom: 20px;
text-align: center;
}
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.controls select, .controls input {
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padding: 8px 12px;
border: 1px solid #ddd;
border-radius: 4px;
margin-right: 10px;
}
.controls button {
padding: 8px 16px;
background-color: #409eff;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
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margin-right: 10px;
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}
.controls button:hover {
background-color: #66b1ff;
}
.message {
text-align: center;
color: #666;
margin: 20px 0;
}
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.tabs {
display: flex;
margin-bottom: 20px;
border-bottom: 1px solid #ddd;
}
.tab {
padding: 10px 20px;
cursor: pointer;
background-color: #f5f7fa;
border: 1px solid #ddd;
border-bottom: none;
border-radius: 4px 4px 0 0;
margin-right: 5px;
}
.tab.active {
background-color: #fff;
border-bottom: 1px solid #fff;
margin-bottom: -1px;
}
.tab-content {
display: none;
}
.tab-content.active {
display: block;
}
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</style>
</head>
<body>
<div class="header">
<h1>云南教育决策研究服务系统</h1>
<p>数据可视化展示平台</p>
</div>
<div class="chart-container">
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<div class="tabs">
<div class="tab active" data-tab="population">人口数据图表</div>
<div class="tab" data-tab="urbanization">城镇化率图表</div>
<div class="tab" data-tab="demo">示例图表</div>
</div>
<div class="tab-content active" id="population-tab">
<h2>云南省各州市人口分布</h2>
<div class="controls">
<select id="yearSelect">
<option value="2020">2020年</option>
<option value="2021">2021年</option>
<option value="2022">2022年</option>
<option value="2023">2023年</option>
<option value="2024" selected>2024年</option>
</select>
<button id="loadPopulationChart">加载图表</button>
</div>
<div id="populationChart" class="chart"></div>
<div class="message" id="populationMessage">点击"加载图表"按钮获取数据</div>
</div>
<div class="tab-content" id="urbanization-tab">
<h2>云南省各州市城镇化率变化趋势</h2>
<div class="controls">
<button id="loadUrbanizationChart">加载图表</button>
</div>
<div id="urbanizationChart" class="chart"></div>
<div class="message" id="urbanizationMessage">点击"加载图表"按钮获取数据</div>
</div>
<div class="tab-content" id="demo-tab">
<h2>柱状图示例</h2>
<div class="controls">
<input type="text" id="chartTitle" placeholder="输入图表标题" value="Bar-MarkLine（自定义）">
<button id="loadDemoChart">加载图表</button>
</div>
<div id="barChart" class="chart"></div>
<div class="message" id="demoMessage">点击"加载图表"按钮获取数据</div>
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</div>
</div>
<script>
// 初始化图表
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var populationChart = echarts.init(document.getElementById('populationChart'));
var urbanizationChart = echarts.init(document.getElementById('urbanizationChart'));
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var barChart = echarts.init(document.getElementById('barChart'));
// 显示加载中
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function showLoading(chart, messageElement) {
chart.showLoading();
messageElement.textContent = '正在加载数据...';
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}
// 隐藏加载中
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function hideLoading(chart) {
chart.hideLoading();
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}
// 显示错误信息
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function showError(messageElement, message) {
messageElement.textContent = '错误: ' + message;
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console.error(message);
}
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// 加载人口数据图表
function loadPopulationChartData() {
showLoading(populationChart, document.getElementById('populationMessage'));
// 获取选中的年份
var year = document.getElementById('yearSelect').value;
// 调用后端接口获取数据
fetch('/bigscreen/population/chart/' + year)
.then(response => {
if (!response.ok) {
throw new Error('网络响应异常');
}
return response.json();
})
.then(data => {
// 使用获取到的数据渲染图表
populationChart.setOption(data);
document.getElementById('populationMessage').textContent = '图表加载成功';
})
.catch(error => {
showError(document.getElementById('populationMessage'), error.message);
})
.finally(() => {
hideLoading(populationChart);
});
}
// 加载城镇化率图表
function loadUrbanizationRateChartData() {
showLoading(urbanizationChart, document.getElementById('urbanizationMessage'));
// 调用后端接口获取数据
fetch('/bigscreen/population/urbanization')
.then(response => {
if (!response.ok) {
throw new Error('网络响应异常');
}
return response.json();
})
.then(data => {
// 使用获取到的数据渲染图表
urbanizationChart.setOption(data);
document.getElementById('urbanizationMessage').textContent = '图表加载成功';
})
.catch(error => {
showError(document.getElementById('urbanizationMessage'), error.message);
})
.finally(() => {
hideLoading(urbanizationChart);
});
}
// 加载示例图表数据
function loadDemoChartData() {
showLoading(barChart, document.getElementById('demoMessage'));
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// 获取图表标题
var title = document.getElementById('chartTitle').value || 'Bar-MarkLine（自定义）';
// 调用后端接口获取数据
fetch('/bigscreen/chart/bar/' + encodeURIComponent(title))
.then(response => {
if (!response.ok) {
throw new Error('网络响应异常');
}
return response.json();
})
.then(data => {
// 使用获取到的数据渲染图表
barChart.setOption(data);
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document.getElementById('demoMessage').textContent = '图表加载成功';
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})
.catch(error => {
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showError(document.getElementById('demoMessage'), error.message);
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})
.finally(() => {
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hideLoading(barChart);
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});
}
// 页面加载完成后自动加载图表
window.addEventListener('DOMContentLoaded', function() {
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// 绑定标签页切换事件
document.querySelectorAll('.tab').forEach(tab => {
tab.addEventListener('click', function() {
// 移除所有标签页的active类
document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
document.querySelectorAll('.tab-content').forEach(c => c.classList.remove('active'));
// 添加当前标签页的active类
this.classList.add('active');
document.getElementById(this.dataset.tab + '-tab').classList.add('active');
// 调整图表大小
populationChart.resize();
urbanizationChart.resize();
barChart.resize();
});
});
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// 绑定按钮点击事件
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document.getElementById('loadPopulationChart').addEventListener('click', loadPopulationChartData);
document.getElementById('loadUrbanizationChart').addEventListener('click', loadUrbanizationRateChartData);
document.getElementById('loadDemoChart').addEventListener('click', loadDemoChartData);
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// 自动加载图表
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loadPopulationChartData();
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});
// 窗口大小变化时，重新调整图表大小
window.addEventListener('resize', function() {
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populationChart.resize();
urbanizationChart.resize();
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barChart.resize();
});
</script>
</body>
</html>
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