281 lines
11 KiB
HTML
281 lines
11 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>云南教育决策研究服务系统</title>
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<!-- 引入 ECharts -->
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<script src="https://gcore.jsdelivr.net/npm/echarts@6.0.0/dist/echarts.min.js"></script>
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<style>
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body {
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margin: 0;
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padding: 20px;
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font-family: 'Microsoft YaHei', sans-serif;
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background-color: #f5f7fa;
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}
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.header {
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text-align: center;
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margin-bottom: 30px;
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}
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.header h1 {
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color: #2c3e50;
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margin-bottom: 10px;
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}
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.chart-container {
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width: 100%;
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max-width: 1200px;
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margin: 0 auto 30px;
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background-color: #fff;
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border-radius: 8px;
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box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
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padding: 20px;
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}
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.chart {
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width: 100%;
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height: 400px;
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}
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.controls {
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margin-bottom: 20px;
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text-align: center;
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}
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.controls select, .controls input {
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padding: 8px 12px;
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border: 1px solid #ddd;
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border-radius: 4px;
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margin-right: 10px;
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}
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.controls button {
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padding: 8px 16px;
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background-color: #409eff;
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color: white;
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border: none;
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border-radius: 4px;
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cursor: pointer;
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margin-right: 10px;
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}
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.controls button:hover {
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background-color: #66b1ff;
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}
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.message {
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text-align: center;
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color: #666;
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margin: 20px 0;
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}
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.tabs {
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display: flex;
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margin-bottom: 20px;
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border-bottom: 1px solid #ddd;
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}
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.tab {
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padding: 10px 20px;
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cursor: pointer;
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background-color: #f5f7fa;
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border: 1px solid #ddd;
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border-bottom: none;
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border-radius: 4px 4px 0 0;
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margin-right: 5px;
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}
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.tab.active {
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background-color: #fff;
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border-bottom: 1px solid #fff;
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margin-bottom: -1px;
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}
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.tab-content {
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display: none;
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}
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.tab-content.active {
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display: block;
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}
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</style>
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</head>
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<body>
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<div class="header">
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<h1>云南教育决策研究服务系统</h1>
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<p>数据可视化展示平台</p>
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</div>
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<div class="chart-container">
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<div class="tabs">
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<div class="tab active" data-tab="population">人口数据图表</div>
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<div class="tab" data-tab="urbanization">城镇化率图表</div>
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<div class="tab" data-tab="demo">示例图表</div>
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</div>
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<div class="tab-content active" id="population-tab">
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<h2>云南省各州市人口分布</h2>
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<div class="controls">
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<select id="yearSelect">
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<option value="2020">2020年</option>
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<option value="2021">2021年</option>
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<option value="2022">2022年</option>
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<option value="2023">2023年</option>
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<option value="2024" selected>2024年</option>
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</select>
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<button id="loadPopulationChart">加载图表</button>
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</div>
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<div id="populationChart" class="chart"></div>
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<div class="message" id="populationMessage">点击"加载图表"按钮获取数据</div>
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</div>
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<div class="tab-content" id="urbanization-tab">
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<h2>云南省各州市城镇化率变化趋势</h2>
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<div class="controls">
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<button id="loadUrbanizationChart">加载图表</button>
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</div>
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<div id="urbanizationChart" class="chart"></div>
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<div class="message" id="urbanizationMessage">点击"加载图表"按钮获取数据</div>
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</div>
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<div class="tab-content" id="demo-tab">
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<h2>柱状图示例</h2>
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<div class="controls">
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<input type="text" id="chartTitle" placeholder="输入图表标题" value="Bar-MarkLine（自定义）">
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<button id="loadDemoChart">加载图表</button>
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</div>
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<div id="barChart" class="chart"></div>
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<div class="message" id="demoMessage">点击"加载图表"按钮获取数据</div>
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</div>
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</div>
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<script>
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// 初始化图表
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var populationChart = echarts.init(document.getElementById('populationChart'));
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var urbanizationChart = echarts.init(document.getElementById('urbanizationChart'));
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var barChart = echarts.init(document.getElementById('barChart'));
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// 显示加载中
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function showLoading(chart, messageElement) {
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chart.showLoading();
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messageElement.textContent = '正在加载数据...';
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}
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// 隐藏加载中
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function hideLoading(chart) {
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chart.hideLoading();
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}
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// 显示错误信息
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function showError(messageElement, message) {
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messageElement.textContent = '错误: ' + message;
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console.error(message);
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}
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// 加载人口数据图表
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function loadPopulationChartData() {
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showLoading(populationChart, document.getElementById('populationMessage'));
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// 获取选中的年份
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var year = document.getElementById('yearSelect').value;
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// 调用后端接口获取数据
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fetch('/bigscreen/population/chart/' + year)
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.then(response => {
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if (!response.ok) {
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throw new Error('网络响应异常');
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}
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return response.json();
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})
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.then(data => {
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// 使用获取到的数据渲染图表
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populationChart.setOption(data);
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document.getElementById('populationMessage').textContent = '图表加载成功';
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})
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.catch(error => {
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showError(document.getElementById('populationMessage'), error.message);
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})
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.finally(() => {
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hideLoading(populationChart);
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});
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}
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// 加载城镇化率图表
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function loadUrbanizationRateChartData() {
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showLoading(urbanizationChart, document.getElementById('urbanizationMessage'));
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// 调用后端接口获取数据
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fetch('/bigscreen/population/urbanization')
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.then(response => {
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if (!response.ok) {
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throw new Error('网络响应异常');
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}
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return response.json();
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})
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.then(data => {
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// 使用获取到的数据渲染图表
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urbanizationChart.setOption(data);
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document.getElementById('urbanizationMessage').textContent = '图表加载成功';
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})
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.catch(error => {
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showError(document.getElementById('urbanizationMessage'), error.message);
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})
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.finally(() => {
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hideLoading(urbanizationChart);
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});
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}
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// 加载示例图表数据
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function loadDemoChartData() {
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showLoading(barChart, document.getElementById('demoMessage'));
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// 获取图表标题
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var title = document.getElementById('chartTitle').value || 'Bar-MarkLine（自定义）';
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// 调用后端接口获取数据
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fetch('/bigscreen/chart/bar/' + encodeURIComponent(title))
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.then(response => {
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if (!response.ok) {
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throw new Error('网络响应异常');
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}
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return response.json();
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})
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.then(data => {
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// 使用获取到的数据渲染图表
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barChart.setOption(data);
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document.getElementById('demoMessage').textContent = '图表加载成功';
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})
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.catch(error => {
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showError(document.getElementById('demoMessage'), error.message);
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})
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.finally(() => {
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hideLoading(barChart);
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});
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}
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// 页面加载完成后自动加载图表
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window.addEventListener('DOMContentLoaded', function() {
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// 绑定标签页切换事件
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document.querySelectorAll('.tab').forEach(tab => {
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tab.addEventListener('click', function() {
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// 移除所有标签页的active类
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document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
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document.querySelectorAll('.tab-content').forEach(c => c.classList.remove('active'));
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// 添加当前标签页的active类
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this.classList.add('active');
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document.getElementById(this.dataset.tab + '-tab').classList.add('active');
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// 调整图表大小
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populationChart.resize();
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urbanizationChart.resize();
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barChart.resize();
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});
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});
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// 绑定按钮点击事件
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document.getElementById('loadPopulationChart').addEventListener('click', loadPopulationChartData);
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document.getElementById('loadUrbanizationChart').addEventListener('click', loadUrbanizationRateChartData);
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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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});
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// 窗口大小变化时，重新调整图表大小
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window.addEventListener('resize', function() {
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populationChart.resize();
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urbanizationChart.resize();
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barChart.resize();
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});
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</script>
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</body>
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</html> |