https://www.loveyu.org/5344.html
https://www.jianshu.com/p/957aa4a933d7
https://blog.csdn.net/mrib/article/details/79729227
官方下载：
https://wiki.openstreetmap.org/wiki/Downloading_data
https://planet.openstreetmap.org/
https://www.openstreetmap.org/export
