Using version3 version,
const myDb = db.db('YourDatabase') // 加这句
myDb.collection('YourDatabase')......
or,
mongodb version downgrade to version2,
npm install mongodb@2.2.33 --save
Using version3 version,
const myDb = db.db('YourDatabase') // 加这句
myDb.collection('YourDatabase')......
or,
mongodb version downgrade to version2,
npm install mongodb@2.2.33 --save