MongoDB创建用户

#切换admin库
use admin;
#在admin库创建root用户
db.createUser({user: 'root', pwd: 'wihv*euF^Et9nuOn', roles: ['root']});
#root用户登录切换到业务bc库创建bc用户
use bc;
db.createUser({user: 'bc', pwd: '123456', roles: ['readWrite']});