https://github.com/maptalks/maptalks.js/wiki//git
//CDN
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/maptalks/dist/maptalks.min.css">
<script src="https://cdn.jsdelivr.net/npm/maptalks/dist/maptalks.min.js"></script>
//NPM
npm install maptalks --save
//terraformer-wkt-parser
npm install terraformer-wkt-parser
///turf
npm install @turf/turf geojson处理插件
//数据类型 geojson 其默认坐标系为 WGS1984坐标系
https://zhuanlan.zhihu.com/p/539689986
//高德地图可生成行政区geojson地图json数据
//
npm install protobufjs
npm i --save lodash //文档 https://www.lodashjs.com/ 一个数据处理插件
https://github.com/maptalks/maptalks.js/wiki/Symbol-Reference#all //symbol属性