Multiple File Upload in Node JS using Multer Example

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Hello Brother,

This article is focused on node js express multiple file upload lesson. you will learn multiple file upload using multer in node js. let’s discuss about node js multer multiple file upload lesson. let’s discuss about node js multiple file upload using multer. You just need to some step to done node js express multiple file upload lesson.

I will give you step by step simple lesson of multiple file upload using multer with node js and express js. let's follow bellow steps:

Lesson 1: Create Node App

run bellow command and create node app.

mkdir my-app

cd my-app

npm init

Lesson 2: Install express and multer

run bellow command and create node app.

npm install express multer --save

Lesson 3: Create app.js file

app.js

const express = require('express');

const multer = require('multer');

const path = require('path');

const app = express();

const storage = multer.diskStorage({

destination: function(req, file, cb) {

cb(null, 'uploads/');

},

filename: function(req, file, cb) {

cb(null, file.fieldname + '-' + Date.now() + path.extname(file.originalname));

}

});

var upload = multer({ storage: storage })

app.get('/', (req, res) => {

res.sendFile(__dirname + '/index.html');

});

app.post('/', upload.array('multi-files'), (req, res) => {

res.redirect('/');

});

app.listen(3000);

Lesson 4: Create index.html file

index.html

<!DOCTYPE html>

<html lang="en">

<head>

<title>Node js Express Multiple File Upload using Multer Lesson - ItSolutionStuff.com</title>

<meta charset="UTF-8">

<meta name="viewport" content="width=device-width, initial-scale=1">

</head>

<body>

<h1>Node js Express Multiple File Upload using Multer Lesson - ItSolutionStuff.com</h1>

<form action="/" enctype="multipart/form-data" method="post">

<input type="file" name="multi-files" multiple>

<input type="submit" value="Upload">

</form>

</body>

</html>

now you can simply run by following command:

npm start

open following url:

localhost:3000

thank you very much for following up with me.

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