mongo数据库导出/导入

### mongo数据库导出 
mongodump --host=localhost --port=27017 -d db-xx -o='/opt/backup/dumpfiles/'
mongodump --host=localhost --port=27017 -d oxxxt -o='/opt/backup/dumpfiles/'
mongodump --host=localhost --port=27017 -d lxxxb -o='/opt/backup/dumpfiles/'


### mongo导入原环境数据
/opt/xxx/init.d/mongo start
/opt/xxxx/mongo/bin/mongorestore --host=localhost --port=27017 -d db-xx --drop /opt/backup/db-xxx
/opt/xxx/mongo/bin/mongorestore --host=localhost --port=27017 -d oxxxt --drop /opt/backup/oxxxt
/opt/xxxx/mongo/bin/mongorestore --host=localhost --port=27017 -d lxxxb --drop /opt/backup/lxxxb