mongodb 添加用户

use admin
db.createUser({
user:"admin",
pwd:"abc123456",
roles:[{role:"root",db:"admin"}]
})

开启权限认证  在 C:Program FilesMongoDBServer4.0  目录下新建    mongodb.cof

dbpath=C:Program FilesMongoDBServer4.0data
logpath=C:Program FilesMongoDBServer4.0logmongod.log
auth=true

mongod --config "C:Program FilesMongoDBServer4.0mongo.cnf"  --reinstall

重启服务

登录

mongo  --host localhost --port 27017

db.auth("admin","abc123456")