npm i mongodb
引入MongoClient
模块并设置数据库的地址
const {MongoClient} = require('mongodb')
const client = new MongoClient('mongodb://127.0.0.1:27017')
const main = async ()=>{
await client.connect()
const db = client.db('mytest') //查看的库
const ff = db.collection('ff') //查看集合
var d = await ff.find()
console.log(await d.toArray());
}
//查询结束后断开连接
main().finally(()=>{
client.close()
})
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