转载
地理空间数据格式——GeoJSON
https://blog.csdn.net/yaoxiaochuang/article/details/53117379
GeoJson格式与转换(shapefile)Geotools
https://blog.csdn.net/cobramonkey/article/details/71124888?utm_source=blogxgwz4
GeoJson的生成与解析
https://blog.csdn.net/arenn/article/details/54907545?utm_source=blogxgwz5