不使用 Nodejs 连接 mongo db 上的默认端口

Question

i am new in node js and i try to connect with mongodb with node js app but i am not able to connect Here is my code

 var mongo = require("mongodb"); var host="127.0.0.1"; //var port="27017"; var port=mongo.Connection.DEFAULT_PORT; var db=new mongo.Db("nodejs-intoduction",new mongo.Server(host, port,{})); db.open(function(error){ console.log("We are connected.!" + host + ":" + port); })

i am getting error like..

port=mongo.Connection.DEFAULT_PORT;

cannote read property 'DEFAULT_POST' of undefined

Answer 1

use this code

 var MongoClient = require('mongodb').MongoClient,

    // Connection url
    var url = 'mongodb://localhost:27017/test';
    // Connect using MongoClient
    MongoClient.connect(url, function(err, db) {


        db.close();
      });
    });