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451 lines
12 KiB
HTML
451 lines
12 KiB
HTML
1 day ago
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<!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>Vue 3 + ECharts 饼图点击交互</title>
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<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/echarts@5.4.3/dist/echarts.min.js"></script>
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
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}
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body {
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background: linear-gradient(135deg, #1a2a6c, #b21f1f, #1a2a6c);
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min-height: 100vh;
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display: flex;
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justify-content: center;
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align-items: center;
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padding: 20px;
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}
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.container {
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width: 100%;
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max-width: 1200px;
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background: rgba(255, 255, 255, 0.92);
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border-radius: 20px;
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box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
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overflow: hidden;
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padding: 30px;
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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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h1 {
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color: #2c3e50;
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font-size: 2.8rem;
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margin-bottom: 10px;
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background: linear-gradient(45deg, #3498db, #8e44ad);
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-webkit-background-clip: text;
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-webkit-text-fill-color: transparent;
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}
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.subtitle {
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color: #7f8c8d;
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font-size: 1.2rem;
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max-width: 800px;
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margin: 0 auto;
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line-height: 1.6;
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}
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.content {
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display: flex;
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flex-wrap: wrap;
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gap: 30px;
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}
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.chart-container {
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flex: 1;
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min-width: 350px;
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height: 450px;
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background: white;
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border-radius: 15px;
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box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
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padding: 15px;
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transition: transform 0.3s ease;
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}
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.chart-container:hover {
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transform: translateY(-5px);
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}
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.info-panel {
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flex: 1;
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min-width: 350px;
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background: white;
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border-radius: 15px;
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box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
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padding: 25px;
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display: flex;
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flex-direction: column;
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}
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.info-header {
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text-align: center;
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margin-bottom: 25px;
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padding-bottom: 15px;
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border-bottom: 2px solid #f1f2f6;
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}
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.info-header h2 {
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color: #2c3e50;
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font-size: 1.8rem;
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}
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.default-info {
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flex-grow: 1;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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text-align: center;
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color: #95a5a6;
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}
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.default-info i {
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font-size: 5rem;
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margin-bottom: 20px;
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color: #ecf0f1;
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}
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.info-content {
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display: flex;
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flex-direction: column;
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gap: 20px;
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}
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.info-card {
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background: #f8f9fa;
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border-radius: 12px;
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padding: 20px;
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transition: all 0.3s ease;
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}
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.info-card:hover {
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transform: translateX(5px);
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box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
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}
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.info-title {
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display: flex;
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align-items: center;
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margin-bottom: 15px;
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}
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.info-icon {
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width: 40px;
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height: 40px;
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border-radius: 10px;
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display: flex;
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align-items: center;
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justify-content: center;
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margin-right: 15px;
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font-size: 1.2rem;
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color: white;
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}
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.info-name {
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font-size: 1.5rem;
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font-weight: bold;
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color: #2c3e50;
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}
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.info-item {
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display: flex;
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margin-top: 10px;
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color: #7f8c8d;
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}
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.info-label {
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font-weight: 600;
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width: 120px;
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color: #34495e;
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}
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.instructions {
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margin-top: 30px;
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background: #e8f4fc;
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border-radius: 15px;
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padding: 20px;
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color: #2c3e50;
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}
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.instructions h3 {
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margin-bottom: 15px;
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color: #2980b9;
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display: flex;
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align-items: center;
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gap: 10px;
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}
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.instructions ul {
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padding-left: 25px;
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}
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.instructions li {
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margin: 10px 0;
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line-height: 1.6;
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}
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.highlight {
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background-color: #f1c40f;
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color: #2c3e50;
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padding: 0 5px;
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border-radius: 4px;
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font-weight: 600;
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}
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footer {
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text-align: center;
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margin-top: 30px;
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color: #7f8c8d;
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font-size: 0.9rem;
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}
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@media (max-width: 768px) {
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.content {
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flex-direction: column;
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}
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h1 {
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font-size: 2.2rem;
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}
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}
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</style>
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</head>
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<body>
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<div id="app">
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<div class="container">
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<header>
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<h1>ECharts 饼图点击交互</h1>
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<p class="subtitle">本示例展示如何在 Vue 3 中为 ECharts 饼图添加点击事件，点击不同扇区查看详情信息</p>
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</header>
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<div class="content">
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<div class="chart-container">
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<div ref="chartDom" style="width: 100%; height: 100%;"></div>
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</div>
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<div class="info-panel">
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<div class="info-header">
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<h2>点击详情</h2>
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</div>
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<div v-if="!clickData" class="default-info">
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<i class="fas fa-mouse-pointer"></i>
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<h3>点击饼图扇区查看详情</h3>
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<p>点击左侧饼图的任何部分将会在此显示详细信息</p>
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</div>
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<div v-else class="info-content">
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<div class="info-card">
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<div class="info-title">
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<div class="info-icon" :style="{ background: clickData.color }">
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<i :class="getIcon(clickData.name)"></i>
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</div>
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<div class="info-name">{{ clickData.name }}</div>
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</div>
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<div class="info-item">
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<span class="info-label">数值：</span>
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<span>{{ clickData.value }}</span>
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</div>
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<div class="info-item">
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<span class="info-label">百分比：</span>
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<span>{{ clickData.percent }}%</span>
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</div>
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<div class="info-item">
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<span class="info-label">描述：</span>
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<span>{{ getDescription(clickData.name) }}</span>
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</div>
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</div>
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<div class="info-card">
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<div class="info-item">
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<span class="info-label">所属系列：</span>
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<span>{{ clickData.seriesName }}</span>
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</div>
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<div class="info-item">
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<span class="info-label">数据索引：</span>
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<span>{{ clickData.dataIndex }}</span>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="instructions">
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<h3><i class="fas fa-lightbulb"></i> 实现说明</h3>
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<ul>
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<li>使用 ECharts 的 <span class="highlight">chart.on('click')</span> 方法监听饼图点击事件</li>
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<li>点击事件参数包含名称(name)、值(value)、百分比(percent)等关键数据</li>
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<li>通过 Vue 的响应式特性更新点击信息展示区域</li>
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<li>添加了窗口大小变化监听器，确保图表响应式调整</li>
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<li>在组件卸载时正确销毁 ECharts 实例和事件监听器</li>
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</ul>
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</div>
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<footer>
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<p>Vue 3 + ECharts 饼图交互示例 | 点击饼图扇区体验交互效果</p>
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</footer>
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</div>
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</div>
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<script>
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const { createApp, ref, onMounted, onBeforeUnmount } = Vue;
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createApp({
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setup() {
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const chartDom = ref(null);
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let chartInstance = null;
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const clickData = ref(null);
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// 饼图数据
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const chartData = [
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{ value: 1048, name: '搜索引擎' },
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{ value: 735, name: '直接访问' },
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{ value: 580, name: '邮件营销' },
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{ value: 484, name: '联盟广告' },
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{ value: 300, name: '视频广告' }
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];
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// 颜色列表
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const colors = ['#5470C6', '#91CC75', '#FAC858', '#EE6666', '#73C0DE'];
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// 根据名称获取图标
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const getIcon = (name) => {
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const icons = {
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'搜索引擎': 'fas fa-search',
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'直接访问': 'fas fa-globe',
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'邮件营销': 'fas fa-envelope',
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'联盟广告': 'fas fa-handshake',
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'视频广告': 'fas fa-video'
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};
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return icons[name] || 'fas fa-chart-pie';
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};
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// 获取描述信息
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const getDescription = (name) => {
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const descriptions = {
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'搜索引擎': '通过Google、百度等搜索引擎带来的流量',
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'直接访问': '用户直接输入网址或书签访问',
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'邮件营销': '通过电子邮件营销活动带来的访问',
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'联盟广告': '通过联盟广告网络获得的流量',
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'视频广告': '来自YouTube、TikTok等平台的视频广告'
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};
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return descriptions[name] || '暂无描述信息';
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};
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// 初始化图表
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const initChart = () => {
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if (!chartDom.value) return;
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chartInstance = echarts.init(chartDom.value);
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const option = {
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tooltip: {
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trigger: 'item',
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formatter: '{a} <br/>{b}: {c} ({d}%)'
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},
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legend: {
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orient: 'vertical',
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right: 10,
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top: 'center',
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formatter: (name) => {
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const data = chartData.find(item => item.name === name);
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return `${name}: ${data.value}`;
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}
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},
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color: colors,
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series: [
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{
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name: '访问来源',
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type: 'pie',
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radius: ['40%', '70%'],
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center: ['40%', '50%'],
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avoidLabelOverlap: false,
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itemStyle: {
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borderRadius: 10,
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borderColor: '#fff',
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borderWidth: 2
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},
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label: {
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show: true,
|
||
|
|
formatter: '{b}: {c}',
|
||
|
|
fontWeight: 'bold'
|
||
|
|
},
|
||
|
|
emphasis: {
|
||
|
|
label: {
|
||
|
|
show: true,
|
||
|
|
fontSize: '18',
|
||
|
|
fontWeight: 'bold'
|
||
|
|
},
|
||
|
|
itemStyle: {
|
||
|
|
shadowBlur: 10,
|
||
|
|
shadowOffsetX: 0,
|
||
|
|
shadowColor: 'rgba(0, 0, 0, 0.5)'
|
||
|
|
}
|
||
|
|
},
|
||
|
|
labelLine: {
|
||
|
|
show: true
|
||
|
|
},
|
||
|
|
data: chartData
|
||
|
|
}
|
||
|
|
]
|
||
|
|
};
|
||
|
|
|
||
|
|
chartInstance.setOption(option);
|
||
|
|
|
||
|
|
// 添加点击事件监听
|
||
|
|
chartInstance.on('click', (params) => {
|
||
|
|
clickData.value = {
|
||
|
|
name: params.name,
|
||
|
|
value: params.value,
|
||
|
|
percent: params.percent,
|
||
|
|
color: params.color,
|
||
|
|
seriesName: params.seriesName,
|
||
|
|
dataIndex: params.dataIndex
|
||
|
|
};
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
// 处理窗口大小变化
|
||
|
|
const handleResize = () => {
|
||
|
|
chartInstance && chartInstance.resize();
|
||
|
|
};
|
||
|
|
|
||
|
|
onMounted(() => {
|
||
|
|
initChart();
|
||
|
|
window.addEventListener('resize', handleResize);
|
||
|
|
});
|
||
|
|
|
||
|
|
onBeforeUnmount(() => {
|
||
|
|
if (chartInstance) {
|
||
|
|
chartInstance.off('click');
|
||
|
|
chartInstance.dispose();
|
||
|
|
}
|
||
|
|
window.removeEventListener('resize', handleResize);
|
||
|
|
});
|
||
|
|
|
||
|
|
return {
|
||
|
|
chartDom,
|
||
|
|
clickData,
|
||
|
|
getIcon,
|
||
|
|
getDescription
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}).mount('#app');
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
</html>
|