如何在webpack开发服务器上连接Mongo DB

npm install mongodb

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

const url = 'mongodb://localhost:27017/mydatabase';
const options = {
  useNewUrlParser: true,
  useUnifiedTopology: true,
};
MongoClient.connect(url, options, (err, client) => {
  if (err) {
    console.error('Failed to connect to MongoDB:', err);
  } else {
    console.log('Connected to MongoDB');
    // 在这里可以执行MongoDB操作
  }
});

const collection = client.db().collection('mycollection');
collection.insertOne({ name: 'John' }, (err, result) => {
  if (err) {
    console.error('Failed to insert document:', err);
  } else {
    console.log('Document inserted:', result.insertedId);
  }
});