npm install proj4 proj4leaflet
其中proj4用于完成地图投影和坐标变换,proj4leaflet是为了方便和leaflet集成
import L from 'leaflet';
import 'proj4/dist/proj4-src';
import 'proj4leaflet/src/proj4leaflet';
import * as esri from "esri-leaflet"
注意引入proj4与esri包的区别
import React, {
useEffect } from 'react';
import L from 'leaflet';
import 'proj4/dist/proj4-src';
import 'proj4leaflet/src/proj4leaflet';
import *
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