Renderings:
Pull down the code at the git address, the address of the map component is src\components\ChinaEcharts
Git address open source is not easy to support 
https://gitee.com/yongchaolu/echarts-map
Components can be used directly in projects
The default is that the Chinese map parameters are:
areaData: Histogram display content Width: Custom map width (default 800px)
areaItems: Histogram display latitude and longitude Height: Custom map height (default 800px)
The data format is as follows:
The map can modify the JSON to customize the
json map JSON
download of the corresponding area of the map. After downloading, change the file suffix to JSON.