使用mongoose从MongoDB获取所有文档

npm install mongoose

const mongoose = require('mongoose');

const connectionString = 'mongodb://localhost:27017/mydatabase';
mongoose.connect(connectionString, { useNewUrlParser: true, useUnifiedTopology: true })
  .then(() => {
    console.log('Connected to MongoDB');
  })
  .catch((error) => {
    console.error('Error connecting to MongoDB', error);
  });

const userSchema = new mongoose.Schema({
  name: String,
  email: String
});

const User = mongoose.model('User', userSchema);

User.find({})
  .then((users) => {
    console.log(users);
  })
  .catch((error) => {
    console.error('Error retrieving documents', error);
  });