导出
./mongodump --host 127.0.0.1 --port 27017 -u root -p apwd@center -d heyun_zhejiang -o /root/ --authenticationDatabase admin
导入
./mongorestore --host 127.0.0.1 --port 27017 -u root -p apwd@center -d heyun_zhejiang /root/heyun_zhejiang/ --authenticationDatabase admin
https://www.cnblogs.com/mingerlcm/p/10701752.html
https://www.cnblogs.com/igoodful/p/13936995.html