备份
T:\mongodb\bin\mongodump.exe -h 127.0.0.1 -d BRM_Message  -u saadmin -p L123 -o "d:\backup\mongobak\%date:~5,2%%date:~8,2%%time:~0,2%%time:~3,2%" 
mongorestore -h 127.0.0.1 -d BRM_Message --directoryperdb /backup/mongobak/3/  -u saadmin -p L123

还原：

E:\mongodb\bin>E:\mongodb\bin\mongorestore -h 127.0.0.1 -d BRM_Message  --drop -