Mongo添加username&password

Mongo添加username&password
https://www.asni.cn/1357

官网API查询
https://docs.mongodb.com/manual/reference/method/db.createUser/

use testdb

db.createUser(
   {
     user: "kelvin",
     pwd: "kelvin",
     roles: [ "readWrite", "dbAdmin" ]
   }
)