Download file using React and Spring Boot

Introduction

In this post you will see how to download file using React and Spring Boot. There are situations where you need to download file from server or you need to generate report from database and download it. This example may help you in that situation.

Here I will fetch records from database and download in a JSON format. As a server side technology I will use Spring Boot and in client side I will use React JS.

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Prerequisites

Java at least 1.8, Spring Boot 2.2.3, Gradle 6.5.1

Download file from server using React

Download File

Please go through the tutorial Download file from server using Angular and Spring Boot for server side code using Spring Boot.

Please note you have to update the CrossOrigin on Rest Controller class as

@CrossOrigin(origins = "http://localhost:3000")

Testing the Application

Run the main class to deploy the application into embedded Tomcat server.

Also run the Download file from server using React to open in browser.

Once your application opens at URL http://localhost:3000 in the browser and the page may look similar to the below image:

react download file

When you click on link or button for downloading file you will see below page with file save option:

download file

Thanks for reading.

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