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碰到一个需求,需要展示一个区县舆图,同时鼠标移入还能看各个乡镇的数据。我找了很久都没有找到乡镇级的geoJson,最多只找到区县级,区县级json获取地点如下:
DataV.GeoAtlas地理小工具系列
但是鼠标移入展示乡镇数据,如何实现呢?虽然我背面通过朋友拿到了乡镇级的json数据,但是太贫困了末了还是决定用添加标记的方法来实现。假如想要乡镇数据可以私我。
实现思绪:
1、下载区县json
2、获取乡镇经纬度
获取乡镇经纬度可以到各种网站上找,好比百度舆图,高德舆图等。我是在这个地点上找的
免费下载实时更新的geoJson数据、行政区划边界数据、区划边界坐标集合__HashTang (hxkj.vip)

3、配置option
- const initChartMap = () => {
- if (mapChart.value) {
- echarts.registerMap("basu", mapJosn);
- const data_map_data = [
- {
- name: "湛普镇",
- coord: [96.511013, 30.396193],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "龙孔镇",
- coord: [96.965057, 29.881027],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "吉中乡",
- coord: [97.299092, 30.534268],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "郭庆乡",
- coord: [96.564165, 30.871071],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "帮达镇",
- coord: [97.188908, 30.108502],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "然乌镇",
- coord: [96.774863, 29.59903],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "拥巴乡",
- coord: [96.398919, 30.682171],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "拉根乡",
- coord: [97.015527, 30.184798],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "白玛镇",
- coord: [96.792551, 30.18467],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "瓦乡",
- coord: [96.635502, 30.180611],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "益庆乡",
- coord: [97.213848, 30.657963],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "卡瓦白庆乡",
- coord: [96.854166, 30.253626],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "同卡镇",
- coord: [96.411964, 30.671348],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- {
- name: "吉达乡",
- coord: [96.632878, 29.6135],
- area: 5000,
- people: 2000,
- economy: 3000,
- },
- ];
- const option = {
- tooltip: {
- trigger: "item",
- formatter: function (params) {
- if (params.data) {
- return `<span style='font-family:MiSans-Bold'>${params.data.name}</span><br/> 区域面积:${params.data.area}km²<br/>人口数量:${params.data.people}人<br/>经济总量:${params.data.economy}万`;
- }
- return params.name;
- },
- },
- series: [
- {
- name: "",
- type: "map",
- mapType: "basu",
- zoom: 1,
- label: {
- normal: {
- show: true,
- textStyle: {
- color: "#fff",
- fontSize: "16",
- },
- },
- emphasis: {
- show: true,
- textStyle: {
- color: "#fff",
- fontSize: "16",
- },
- },
- },
- roam: true,
- itemStyle: {
- normal: {
- areaColor: "rgba(7,157,233,0.4)",
- borderColor: "#ddd",
- },
- emphasis: {
- areaColor: "#3093d8",
- },
- },
- markPoint: {
- symbol: "circle",
- symbolSize: 10,
- label: {
- show: true,
- fontSize: "1rem",
- color: "#fff",
- formatter: function (d) {
- return d.name;
- },
- },
- data: data_map_data,
- },
- },
- ],
- };
- // 使用刚指定的配置项和数据显示图表。
- mapChart.value.setOption(option);
- }
- };
复制代码 效果图如下:

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