[MongoDB] NodeJS 연동

mongoose 설치

yarn add mongoose@5.9.7

example.js

import mongoose from 'mongoose';

const mongooseOptions = {
    useNewUrlParser: true,
    useUnifiedTopology: true
};

mongoose.connect('mongodb://mongodb.example.com:10000/test', mongooseOptions);

const UserSchema = new mongoose.Schema(
    {
        name: String,
        email: String,
        password: String,
    },
    { versionKey: false }, // 데이터 저장시 자동으로 "__v" 필트 생성되는 것 방제
);

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

User.create({
    name: 'john',
    email: 'john@example.com',
    password: 'john-1234'
}, (err, user) => {
    console.log(err, user);
});

생성

User.create({
    name: 'john',
    email: 'john@example.com',
    password: 'john-1234'
}, (err, user) => {
    console.log(err, user);
});

User.create({
    name: 'tom',
    email: 'tom@example.com',
    password: 'tom-1234'
}, (err, user) => {
    console.log(err, user);
});

조회

User.find({
    name: 'john'
}, (err, users) => {
    console.log(err, users);
});

수정

// 단일 데이터 수정
User.update({
    name: 'john'
}, {
    $set: {
        password: 'john-4567'
    }
}, (err, users) => {
    console.log(err, users);
});

// 복수 데이터 수정
User.updateMany({
    name: 'john'
}, {
    $set: {
        password: 'john-4567'
    }
}, (err, users) => {
    console.log(err, users);
});

삭제

User.remove({
    name: 'john'
}, (err, users) => {
    console.log(err, users);
});

참고

• https://medium.com/@feedbotstar/node-js-로-crud-만들어-보기-cdcbaf7174a7