247 lines
6.5 KiB
HTML
247 lines
6.5 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>地图下钻</title>
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<style>
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:root {
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--primary: #1890ff;
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--primary-hover: #40a9ff;
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--bg: #f4f8fb;
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--radius: 18px;
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--shadow: 0 4px 24px 0 rgba(24, 144, 255, 0.08);
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}
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body {
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margin: 0;
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padding: 0;
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font-family: Arial, sans-serif;
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background: var(--bg);
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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}
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.center-box {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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width: 100vw;
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height: 100vh;
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}
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.map-container {
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width: 80vw;
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max-width: 1200px;
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height: 80vh;
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min-height: 400px;
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background: #fff;
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border-radius: var(--radius);
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box-shadow: var(--shadow);
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position: relative;
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overflow: hidden;
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display: flex;
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align-items: center;
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justify-content: center;
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transition: box-shadow 0.3s;
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}
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#main {
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width: 100%;
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height: 70%;
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border-radius: var(--radius);
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}
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.btns {
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position: absolute;
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top: 32px;
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left: 32px;
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display: flex;
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gap: 24px;
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}
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.btn {
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padding: 10px 28px;
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background-color: var(--primary);
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color: #fff;
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border: none;
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border-radius: 6px;
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cursor: pointer;
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font-size: 16px;
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font-weight: 500;
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box-shadow: 0 2px 8px 0 rgba(24, 144, 255, 0.12);
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transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
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z-index: 10;
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}
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.btn:hover {
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background-color: var(--primary-hover);
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transform: translateY(-2px) scale(1.04);
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box-shadow: 0 4px 16px 0 rgba(24, 144, 255, 0.18);
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}
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@media (max-width: 900px) {
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.map-container {
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width: 98vw;
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height: 70vh;
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}
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.btn {
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top: 16px;
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left: 16px;
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padding: 8px 18px;
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font-size: 14px;
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}
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}
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@media (max-width: 600px) {
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.map-container {
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width: 100vw;
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height: 60vh;
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min-height: 220px;
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}
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.btn {
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top: 8px;
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left: 8px;
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padding: 6px 10px;
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font-size: 13px;
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}
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}
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</style>
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<script src="https://unpkg.com/axios/dist/axios.min.js"></script>
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<script
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src="https://cdnjs.cloudflare.com/ajax/libs/echarts/5.6.0/echarts.min.js"
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integrity="sha512-XSmbX3mhrD2ix5fXPTRQb2FwK22sRMVQTpBP2ac8hX7Dh/605hA2QDegVWiAvZPiXIxOV0CbkmUjGionDpbCmw=="
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crossorigin="anonymous"
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referrerpolicy="no-referrer"
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></script>
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</head>
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<body>
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<div class="center-box">
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<div class="map-container">
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<div id="main"></div>
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<div class="btns">
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<input
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type="button"
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class="btn"
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onClick="reutrnUp()"
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value="返回上一级"
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/>
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</div>
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</div>
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</div>
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<script>
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// 获取echartsDOM元素
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const echartDOM = document.getElementById('main')
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const chart = echarts.init(echartDOM)
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let menus = [
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{
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adcode: 100000,
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name: '全国'
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}
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]
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/**
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* @function 获取地区数据
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* @param {number} adcode - 地区编码，默认为100000（全国）
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* */
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const getGeoJson = async (adcode = 100000) => {
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try {
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const url = `https://geo.datav.aliyun.com/areas_v2/bound/${adcode}_full.json`
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const result = await axios.get(url)
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return result.data
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} catch (err) {
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return void 0
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}
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}
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let option = null
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const updateEcharts = async (adcode, name) => {
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// 默认获取全国行政区数据
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const geoJson = await getGeoJson(adcode)
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if (!geoJson) {
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throw new Error('已经是最后一级了')
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}
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// 注册地图
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echarts.registerMap(name, geoJson)
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// 设置地图配置项
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option = {
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title: {
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text: name,
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left: 'center'
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},
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series: [
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{
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type: 'map',
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map: name,
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itemStyle: {
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areaColor: '#1890ff'
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},
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data: geoJson['features'].map((item) => {
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return {
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name: item.properties.name,
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value: item.properties.adcode
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}
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})
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}
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]
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}
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}
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// 下钻动画
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const runAnimation = () => {
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// 地图放大然后消失
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option['animation'] = true
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option['series'][0]['itemStyle']['opacity'] = 0
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chart.setOption(option)
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setTimeout(() => {
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option['animation'] = false
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option['series'][0]['zoom'] = 0.1
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option['series'][0]['itemStyle']['opacity'] = 1
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chart.setOption(option)
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}, 300)
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setTimeout(() => {
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option['animation'] = true
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option['series'][0]['zoom'] = 1
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chart.setOption(option)
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}, 600)
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}
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// 返回上一级
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const reutrnUp = async () => {
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if (menus.length > 1) {
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menus.pop()
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const { adcode, name } = menus[menus.length - 1]
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await updateEcharts(adcode, name)
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runAnimation()
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} else {
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menus = [
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{
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adcode: 100000,
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name: '全国'
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}
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]
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await updateEcharts(100000, '全国')
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runAnimation()
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alert('已经是最开始一级了。')
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}
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}
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;(async () => {
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await updateEcharts(100000, '全国')
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// 设置图表配置项
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chart.setOption(option)
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// 点击行政区的时候,重新加载这个行政区的数据
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chart.on('click', async (params) => {
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const { value, name } = params.data
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if (value) {
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try {
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await updateEcharts(value, name)
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runAnimation()
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menus.push({
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adcode: value,
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name
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})
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} catch (err) {
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alert(err.message)
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}
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}
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})
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})()
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</script>
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</body>
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</html>
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