NodeJS/Express – Upload/Download MultipartFiles/Images – Multer + JQuery Ajax + Bootstrap

In the tutorial, we show how to build a NodeJS/Express web-application to upload MultipartFile-s/Images by Multer middleware, JQuery Ajax and Bootstrap view.

Related posts:
Multer – Build RestAPI to upload a MultipartFile to NodeJS/Express
Integrate NodeJS/Express – JQuery Ajax POST/GET – Bootstrap view example
NodeJS/Express – Upload Text-Fields + MultipartFile with Multer, Jquery Ajax, Bootstrap 4

Goal

Prerequisites

Multer – Build RestAPI to upload a MultipartFile to NodeJS/Express
Integrate NodeJS/Express – JQuery Ajax POST/GET – Bootstrap view example

Objective

In the tutorial, we build a NodeJS/Express web-application that uses Multer middleware to upload/download MultipartFiles/Images using JQuery Ajax & Bootstrap view.

Project structure:

-> results:

NodeJS-Express-Multer-Upload-MultipartFile-Ajax-Jquery-Bootstrap-dowloadfiles

Practice

Setting up NodeJS/Express project

Create a folder NodeJS-Express-Multer-MultipartFile-Ajax-JQuery-Bootstrap:

Then init NodeJS project:

-> Install Express, Multer:

-> see package.json file:

Frontend
Bootstrap views

– Create ./views/index.html file:

– Create ./views/404.html file:

Jquery Ajax

– Create a JQuery Ajax POST multipart/form-data form, see ./resources/static/js/postrequest.js file:

– Create a Jquery Ajax GET, see ./resources/static/js/getrequest.js file:

Backend
Config Multer Upload

– Create ./app/config/multer.config.js file:

Express Routers

– Create ./app/routers/file.router.js file:

File Controllers

– Create ./app/controllers/file.controller.js file:

Server.js

Implement ./server.js file:

Run & check results

Start NodeJS server:

-> Upload Files:

NodeJS-Express-Multer-Upload-MultipartFile-Ajax-Jquery-Bootstrap-uploadfile

NodeJS-Express-Multer-Upload-MultipartFile-Ajax-Jquery-Bootstrap-uploadfile-request

-> Results:

NodeJS-Express-Multer-Upload-MultipartFile-Ajax-Jquery-Bootstrap-all-upload-files

-> Get List Files:

NodeJS-Express-Multer-Upload-MultipartFile-Ajax-Jquery-Bootstrap-list all files

NodeJS-Express-Multer-Upload-MultipartFile-Ajax-Jquery-Bootstrap-getallfiles-request

-> Download Files:

NodeJS-Express-Multer-Upload-MultipartFile-Ajax-Jquery-Bootstrap-dowloadfiles

NodeJS-Express-Multer-Upload-MultipartFile-Ajax-Jquery-Bootstrap-download-file-request

Sourcecode

To run below sourcecode, follow the guides:


step 0: download & extract zip file -> we have a folder ‘NodeJS-Express-Multer-MultipartFile-Ajax-JQuery-Bootstrap’
step 1: cd NodeJS-Express-Multer-MultipartFile-Ajax-JQuery-Bootstrap
step 2: npm install express multer -–save
step 3: node server.js
step 4: makes a POST request: http://localhost:8081

-> Sourcecode:

NodeJS-Express-Multer-MultipartFile-Ajax-JQuery-Bootstrap

By JavaSampleApproach | May 18, 2018.

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