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HuangHai
2025-09-10 15:21:56 +08:00
parent ffb3f6ccf2
commit a65b0780e6
4 changed files with 610 additions and 457 deletions
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180
static/index.html
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@@ -38,7 +38,7 @@
margin-bottom: 20px;
text-align: center;
}
.controls input {
.controls select, .controls input {
padding: 8px 12px;
border: 1px solid #ddd;
border-radius: 4px;
@@ -51,6 +51,7 @@
border: none;
border-radius: 4px;
cursor: pointer;
margin-right: 10px;
}
.controls button:hover {
background-color: #66b1ff;
@@ -60,6 +61,31 @@
color: #666;
margin: 20px 0;
}
.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;
}
</style>
</head>
<body>
@@ -69,39 +95,127 @@
</div>
<div class="chart-container">
<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="loadChart">加载图表</button>
<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>
</div>
<div id="barChart" class="chart"></div>
<div class="message" id="message">点击"加载图表"按钮获取数据</div>
</div>
<script>
// 初始化图表
var populationChart = echarts.init(document.getElementById('populationChart'));
var urbanizationChart = echarts.init(document.getElementById('urbanizationChart'));
var barChart = echarts.init(document.getElementById('barChart'));
// 显示加载中
function showLoading() {
barChart.showLoading();
document.getElementById('message').textContent = '正在加载数据...';
function showLoading(chart, messageElement) {
chart.showLoading();
messageElement.textContent = '正在加载数据...';
}
// 隐藏加载中
function hideLoading() {
barChart.hideLoading();
function hideLoading(chart) {
chart.hideLoading();
}
// 显示错误信息
function showError(message) {
document.getElementById('message').textContent = '错误: ' + message;
function showError(messageElement, message) {
messageElement.textContent = '错误: ' + message;
console.error(message);
}
// 加载图表数据
function loadChartData() {
showLoading();
// 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'));
// 获取图表标题
var title = document.getElementById('chartTitle').value || 'Bar-MarkLine（自定义）';
@@ -117,27 +231,49 @@
.then(data => {
// 使用获取到的数据渲染图表
barChart.setOption(data);
document.getElementById('message').textContent = '图表加载成功';
document.getElementById('demoMessage').textContent = '图表加载成功';
})
.catch(error => {
showError(error.message);
showError(document.getElementById('demoMessage'), error.message);
})
.finally(() => {
hideLoading();
hideLoading(barChart);
});
}
// 页面加载完成后自动加载图表
window.addEventListener('DOMContentLoaded', function() {
// 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();
});
});
// 绑定按钮点击事件
document.getElementById('loadChart').addEventListener('click', loadChartData);
document.getElementById('loadPopulationChart').addEventListener('click', loadPopulationChartData);
document.getElementById('loadUrbanizationChart').addEventListener('click', loadUrbanizationRateChartData);
document.getElementById('loadDemoChart').addEventListener('click', loadDemoChartData);
// 自动加载图表
loadChartData();
loadPopulationChartData();
});
// 窗口大小变化时，重新调整图表大小
window.addEventListener('resize', function() {
populationChart.resize();
urbanizationChart.resize();
barChart.resize();
});
</script>