Node.js连接mongoDB

安装mongodb

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npm install mongodb --save

连接MongoDB

需要已经安装并启动mongoDB服务,创建app.js,添加下列代码。使用node app.js运行。

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const MongoClient = require('mongodb').MongoClient;
const assert = require('assert');

// Connection URL
const url = 'mongodb://localhost:27017';

// Create a new MongoClient
const client = new MongoClient(url);

client.connect(function(err) {
assert.equal(null, err);
console.log("Connected successfully to server");

const db = client.db(dbName);

client.close();
});

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