1、获取geo
http://datav.aliyun.com/tools/atlas/#&lat=31.30084828737045&lng=120.92308044433594&zoom=10
2、绘制Polygon (比较烦)
http://geojson.io/#map=12/31.4401/120.9638
3、导出Polygon json
4、导入json 并生成echarts encode
1、获取geo
http://datav.aliyun.com/tools/atlas/#&lat=31.30084828737045&lng=120.92308044433594&zoom=10
2、绘制Polygon (比较烦)
http://geojson.io/#map=12/31.4401/120.9638
3、导出Polygon json
4、导入json 并生成echarts encode