node.js 学习笔记五：连接mongodb

var mongodb =require('mongodb');
var server = new mongodb.Server('localhost', 27018, {auto_reconnect:true});
var db = new mongodb.Db('mydb', server, {safe:true});
db.open(function(err, db){
    if(!err){
        console.log('connect');
    }else{
        console.log(err);
    }
});