1.首先啓動數據庫服務器
http://blog.csdn.net/liusong0605/article/details/10574863
2.編寫代碼
var mongo = require('mongodb'); var host = "localhost"; var port = 27017; var server = new mongo.Server(host,port,{auto_reconnect:true}); var db = new mongo.Db('db',server,{safe:true}); db.open(function (err,db) { if(err) throw err; else { console.log('成功建立數據庫連接'); db.close(); } });