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：
{
"type": "FeatureCollection",
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{
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"name": "唐山市",
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"childrenNum": 14,
"level": "city",
"parent": {
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},
"subFeatureIndex": 1,
"acroutes": [100000, 130000]
},
"geometry": {
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]
]
]
}
},
{
"type": "Feature",
"properties": {
"adcode": 131000,
"name": "廊坊市",
"center": [116.704441, 39.523927],
"centroid": [116.540212, 39.111215],
"childrenNum": 10,
"level": "city",
"parent": {
"adcode": 130000
},
"subFeatureIndex": 9,
"acroutes": [100000, 130000]
},
"geometry": {
"type": "MultiPolygon",
"coordinates": [
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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：
