Mongodb replica set Link configuration
Mongodb://username:password@192.168.56.101:27017192.168.56.102:27017192.168.56.103:27017/db_name?replicaSet=rschunqiu
Mongodb://username:password@192.168.56.101:27017192.168.56.102:27017192.168.56.103:27017/db_name?replicaSet=rschunqiu