首先找个网站把河北的GeoJSON数据下载下来，我用的是这个，理论上任意一个都可以

DataV.GeoAtlas地理小工具系列

将json数据下载后，进行裁剪，仅保留冀北数据。

如下，我裁剪的数据：

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}

最后使用echart进行加载：

代码如下：

<template><div id="main" style="width: 100%; height: 100%"></div>
</template><script>import echarts from 'echarts';// import 'echarts/map/js/province/jiangsu'import 'echarts/map/js/province/ningxia'
export default {name: 'HelloWorld',mounted(){this.drawLine();},methods: {drawLine(){const jbJson = require('../assets/jb.json')echarts.registerMap('jb', jbJson);let myChart = echarts.init(document.getElementById('main'));myChart.setOption({scaleLimit: { //所属组件的z分层，z值小的图形会被z值大的图形覆盖min: 1.2, //最小的缩放值max: 1.2, //最大的缩放值,},visualMap: {left: 'left',min: 500000,max: 3800000,inRange: {color: ['#313695', '#4575b4', '#74add1', '#abd9e9', '#e0f3f8', '#ffffbf', '#fee090', '#fdae61', '#f46d43', '#d73027', '#a50026']},text:['High','Low'],calculable: true,show: false},tooltip: {trigger: 'item',formatter: '{b}<br/>{c}'},series: [{type: 'map',map: 'jb',label: {normal: {show: true, // 显示标签formatter: function(params){let str = params.name;let value = params.value + "KW";return '{a|' + str + '}\n{b|' + value + '}';},rich: {a: {color: 'rgb(183, 239, 255)',fontSize: 14},b: {color: 'rgb(171, 255, 155)',fontSize: 14,fontWeight: 'bold'}}}},itemStyle:{emphasis:{label:{show:true}}},// 文本位置修正textFixed: {Alaska: [20, -20]},data:[{name: '张家口市', value: 917092},{name: '承德市', value: 917092},{name: '秦皇岛市', value: 917092},{name: '唐山市', value: 917092},{name: '廊坊市', value: 917092}],}]});window.addEventListener("resize", () => {myChart.resize();});}}
}
</script><style>/*html, body{*//*  margin 0*//*  padding 0*//*  width 100%*//*  height 100%*//*}*/
</style>

效果如下：