nodejs连接MongoDB实现增删改查
安装 npm install mongo --save-dev 引入 var MongoClient = require('mongodb').MongoClient; var url = "mongodb://localhost:27017/"; 连接 MongoClient.connect(url, {useNewUrlParser:true},function(err, db) { if (err) throw err; var dbo = db.db("xwj"); dbo.collection("user"). find({}).toArray((err, resu...