├── .env ├── .gitignore ├── README.md ├── package-lock.json ├── package.json ├── public ├── favicon.ico ├── index.html ├── logo192.png ├── logo512.png ├── manifest.json └── robots.txt ├── react-multiple-files-upload-example-progress-bar.png ├── src ├── App.css ├── App.js ├── components │ └── upload-files.component.js ├── http-common.js ├── index.css ├── index.js ├── serviceWorker.js ├── services │ └── upload-files.service.js └── setupTests.js └── yarn.lock /.env: -------------------------------------------------------------------------------- 1 | PORT=8081 -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # See https://help.github.com/articles/ignoring-files/ for more about ignoring files. 2 | 3 | # dependencies 4 | /node_modules 5 | /.pnp 6 | .pnp.js 7 | 8 | # testing 9 | /coverage 10 | 11 | # production 12 | /build 13 | 14 | # misc 15 | .DS_Store 16 | .env.local 17 | .env.development.local 18 | .env.test.local 19 | .env.production.local 20 | 21 | npm-debug.log* 22 | yarn-debug.log* 23 | yarn-error.log* 24 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ## React Multiple Files upload example with Progress Bar 2 | 3 | We’re gonna create a React Multiple Files upload application in that user can: 4 | 5 | - see the upload process (percentage) of each file with progress bars 6 | - view all uploaded files 7 | - download link to file when clicking on the file name 8 | 9 | ![react-multiple-files-upload-example-progress-bar](react-multiple-files-upload-example-progress-bar.png) 10 | 11 | For more detail, please visit: 12 | > [React Multiple Files upload example with Progress Bar](https://bezkoder.com/react-multiple-files-upload/) 13 | 14 | > [React (with Hooks) Multiple Files upload example](https://bezkoder.com/react-hooks-multiple-file-upload/) 15 | 16 | Rest APIs server for this React Client: 17 | > [Node.js Express File Upload Rest API example](https://bezkoder.com/node-js-express-file-upload/) 18 | 19 | > [Node.js Express File Upload with Google Cloud Storage example](https://bezkoder.com/google-cloud-storage-nodejs-upload-file/) 20 | 21 | > [Spring Boot Multipart File upload example](https://bezkoder.com/spring-boot-file-upload/) 22 | 23 | More Practice: 24 | > [React Pagination example](https://bezkoder.com/react-pagination-material-ui/) 25 | 26 | > [React File Upload example](https://bezkoder.com/react-file-upload-axios/) 27 | 28 | > [React JWT Authentication & Authorization example](https://bezkoder.com/react-jwt-auth/) 29 | 30 | > [React + Redux: JWT Authentication & Authorization example](https://bezkoder.com/react-redux-jwt-auth/) 31 | 32 | Fullstack with Node.js Express: 33 | > [React.js + Node.js Express + MySQL](https://bezkoder.com/react-node-express-mysql/) 34 | 35 | > [React.js + Node.js Express + PostgreSQL](https://bezkoder.com/react-node-express-postgresql/) 36 | 37 | > [React.js + Node.js Express + MongoDB](https://bezkoder.com/react-node-express-mongodb-mern-stack/) 38 | 39 | Fullstack with Spring Boot: 40 | > [React.js + Spring Boot + MySQL](https://bezkoder.com/react-spring-boot-crud/) 41 | 42 | > [React.js + Spring Boot + PostgreSQL](https://bezkoder.com/spring-boot-react-postgresql/) 43 | 44 | > [React.js + Spring Boot + MongoDB](https://bezkoder.com/react-spring-boot-mongodb/) 45 | 46 | Fullstack with Django: 47 | 48 | > [React.js + Django Rest Framework](https://bezkoder.com/django-react-axios-rest-framework/) 49 | 50 | Serverless: 51 | > [React Firebase CRUD App with Realtime Database](https://bezkoder.com/react-firebase-crud/) 52 | 53 | > [React Firestore CRUD App example | Firebase Cloud Firestore](https://bezkoder.com/react-firestore-crud/) 54 | 55 | Integration (run back-end & front-end on same server/port) 56 | > [Integrate React with Spring Boot](https://bezkoder.com/integrate-reactjs-spring-boot/) 57 | 58 | > [Integrate React with Node.js Express](https://bezkoder.com/integrate-react-express-same-server-port/) 59 | 60 | This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app). 61 | 62 | ### Set port 63 | .env 64 | ``` 65 | PORT=8081 66 | ``` 67 | 68 | ## Project setup 69 | 70 | In the project directory, you can run: 71 | 72 | ``` 73 | npm install 74 | # or 75 | yarn install 76 | ``` 77 | 78 | or 79 | 80 | ### Compiles and hot-reloads for development 81 | 82 | ``` 83 | npm start 84 | # or 85 | yarn start 86 | ``` 87 | 88 | Open [http://localhost:8081](http://localhost:8081) to view it in the browser. 89 | 90 | The page will reload if you make edits. 91 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "react-js-multiple-files-upload", 3 | "version": "0.1.0", 4 | "private": true, 5 | "dependencies": { 6 | "@testing-library/jest-dom": "^4.2.4", 7 | "@testing-library/react": "^9.3.2", 8 | "@testing-library/user-event": "^7.1.2", 9 | "axios": "^0.19.2", 10 | "bootstrap": "^4.5.0", 11 | "react": "^16.13.1", 12 | "react-dom": "^16.13.1", 13 | "react-scripts": "3.4.1" 14 | }, 15 | "scripts": { 16 | "start": "react-scripts start", 17 | "build": "react-scripts build", 18 | "test": "react-scripts test", 19 | "eject": "react-scripts eject" 20 | }, 21 | "eslintConfig": { 22 | "extends": "react-app" 23 | }, 24 | "browserslist": { 25 | "production": [ 26 | ">0.2%", 27 | "not dead", 28 | "not op_mini all" 29 | ], 30 | "development": [ 31 | "last 1 chrome version", 32 | "last 1 firefox version", 33 | "last 1 safari version" 34 | ] 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /public/favicon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bezkoder/react-multiple-files-upload/62b24d9eb49b354c3464236931fcaf61e46ae4df/public/favicon.ico -------------------------------------------------------------------------------- /public/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 12 | 13 | 17 | 18 | 27 | React App 28 | 29 | 30 | 31 |
32 | 42 | 43 | 44 | -------------------------------------------------------------------------------- /public/logo192.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bezkoder/react-multiple-files-upload/62b24d9eb49b354c3464236931fcaf61e46ae4df/public/logo192.png -------------------------------------------------------------------------------- /public/logo512.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bezkoder/react-multiple-files-upload/62b24d9eb49b354c3464236931fcaf61e46ae4df/public/logo512.png -------------------------------------------------------------------------------- /public/manifest.json: -------------------------------------------------------------------------------- 1 | { 2 | "short_name": "React App", 3 | "name": "Create React App Sample", 4 | "icons": [ 5 | { 6 | "src": "favicon.ico", 7 | "sizes": "64x64 32x32 24x24 16x16", 8 | "type": "image/x-icon" 9 | }, 10 | { 11 | "src": "logo192.png", 12 | "type": "image/png", 13 | "sizes": "192x192" 14 | }, 15 | { 16 | "src": "logo512.png", 17 | "type": "image/png", 18 | "sizes": "512x512" 19 | } 20 | ], 21 | "start_url": ".", 22 | "display": "standalone", 23 | "theme_color": "#000000", 24 | "background_color": "#ffffff" 25 | } 26 | -------------------------------------------------------------------------------- /public/robots.txt: -------------------------------------------------------------------------------- 1 | # https://www.robotstxt.org/robotstxt.html 2 | User-agent: * 3 | Disallow: 4 | -------------------------------------------------------------------------------- /react-multiple-files-upload-example-progress-bar.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bezkoder/react-multiple-files-upload/62b24d9eb49b354c3464236931fcaf61e46ae4df/react-multiple-files-upload-example-progress-bar.png -------------------------------------------------------------------------------- /src/App.css: -------------------------------------------------------------------------------- 1 | .App { 2 | text-align: center; 3 | } 4 | 5 | .App-logo { 6 | height: 40vmin; 7 | pointer-events: none; 8 | } 9 | 10 | @media (prefers-reduced-motion: no-preference) { 11 | .App-logo { 12 | animation: App-logo-spin infinite 20s linear; 13 | } 14 | } 15 | 16 | .App-header { 17 | background-color: #282c34; 18 | min-height: 100vh; 19 | display: flex; 20 | flex-direction: column; 21 | align-items: center; 22 | justify-content: center; 23 | font-size: calc(10px + 2vmin); 24 | color: white; 25 | } 26 | 27 | .App-link { 28 | color: #61dafb; 29 | } 30 | 31 | @keyframes App-logo-spin { 32 | from { 33 | transform: rotate(0deg); 34 | } 35 | to { 36 | transform: rotate(360deg); 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /src/App.js: -------------------------------------------------------------------------------- 1 | import React from "react"; 2 | import "./App.css"; 3 | import "bootstrap/dist/css/bootstrap.min.css"; 4 | 5 | import UploadFiles from "./components/upload-files.component"; 6 | 7 | function App() { 8 | return ( 9 |
10 |
11 |

bezkoder.com

12 |

React upload multiple Files

13 |
14 | 15 | 16 |
17 | ); 18 | } 19 | 20 | export default App; 21 | -------------------------------------------------------------------------------- /src/components/upload-files.component.js: -------------------------------------------------------------------------------- 1 | import React, { Component } from "react"; 2 | import UploadService from "../services/upload-files.service"; 3 | 4 | export default class UploadFiles extends Component { 5 | constructor(props) { 6 | super(props); 7 | this.selectFiles = this.selectFiles.bind(this); 8 | this.upload = this.upload.bind(this); 9 | this.uploadFiles = this.uploadFiles.bind(this); 10 | 11 | this.state = { 12 | selectedFiles: undefined, 13 | progressInfos: [], 14 | message: [], 15 | 16 | fileInfos: [], 17 | }; 18 | } 19 | 20 | componentDidMount() { 21 | UploadService.getFiles().then((response) => { 22 | this.setState({ 23 | fileInfos: response.data, 24 | }); 25 | }); 26 | } 27 | 28 | selectFiles(event) { 29 | this.setState({ 30 | progressInfos: [], 31 | selectedFiles: event.target.files, 32 | }); 33 | } 34 | 35 | upload(idx, file) { 36 | let _progressInfos = [...this.state.progressInfos]; 37 | 38 | UploadService.upload(file, (event) => { 39 | _progressInfos[idx].percentage = Math.round((100 * event.loaded) / event.total); 40 | this.setState({ 41 | _progressInfos, 42 | }); 43 | }) 44 | .then((response) => { 45 | this.setState((prev) => { 46 | let nextMessage = [...prev.message, "Uploaded the file successfully: " + file.name]; 47 | return { 48 | message: nextMessage 49 | }; 50 | }); 51 | 52 | return UploadService.getFiles(); 53 | }) 54 | .then((files) => { 55 | this.setState({ 56 | fileInfos: files.data, 57 | }); 58 | }) 59 | .catch(() => { 60 | _progressInfos[idx].percentage = 0; 61 | this.setState((prev) => { 62 | let nextMessage = [...prev.message, "Could not upload the file: " + file.name]; 63 | return { 64 | progressInfos: _progressInfos, 65 | message: nextMessage 66 | }; 67 | }); 68 | }); 69 | } 70 | 71 | uploadFiles() { 72 | const selectedFiles = this.state.selectedFiles; 73 | 74 | let _progressInfos = []; 75 | 76 | for (let i = 0; i < selectedFiles.length; i++) { 77 | _progressInfos.push({ percentage: 0, fileName: selectedFiles[i].name }); 78 | } 79 | 80 | this.setState( 81 | { 82 | progressInfos: _progressInfos, 83 | message: [], 84 | }, 85 | () => { 86 | for (let i = 0; i < selectedFiles.length; i++) { 87 | this.upload(i, selectedFiles[i]); 88 | } 89 | } 90 | ); 91 | } 92 | 93 | render() { 94 | const { selectedFiles, progressInfos, message, fileInfos } = this.state; 95 | 96 | return ( 97 |
98 | {progressInfos && 99 | progressInfos.map((progressInfo, index) => ( 100 |
101 | {progressInfo.fileName} 102 |
103 |
111 | {progressInfo.percentage}% 112 |
113 |
114 |
115 | ))} 116 | 117 |
118 |
119 | 122 |
123 | 124 |
125 | 132 |
133 |
134 | 135 | {message.length > 0 && ( 136 |
137 | 142 |
143 | )} 144 | 145 |
146 |
List of Files
147 | 155 |
156 |
157 | ); 158 | } 159 | } 160 | -------------------------------------------------------------------------------- /src/http-common.js: -------------------------------------------------------------------------------- 1 | import axios from "axios"; 2 | 3 | export default axios.create({ 4 | baseURL: "http://localhost:8080", 5 | headers: { 6 | "Content-type": "application/json", 7 | }, 8 | }); 9 | -------------------------------------------------------------------------------- /src/index.css: -------------------------------------------------------------------------------- 1 | body { 2 | margin: 0; 3 | font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 4 | 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', 5 | sans-serif; 6 | -webkit-font-smoothing: antialiased; 7 | -moz-osx-font-smoothing: grayscale; 8 | } 9 | 10 | code { 11 | font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New', 12 | monospace; 13 | } 14 | -------------------------------------------------------------------------------- /src/index.js: -------------------------------------------------------------------------------- 1 | import React from 'react'; 2 | import ReactDOM from 'react-dom'; 3 | import './index.css'; 4 | import App from './App'; 5 | import * as serviceWorker from './serviceWorker'; 6 | 7 | ReactDOM.render( 8 | 9 | 10 | , 11 | document.getElementById('root') 12 | ); 13 | 14 | // If you want your app to work offline and load faster, you can change 15 | // unregister() to register() below. Note this comes with some pitfalls. 16 | // Learn more about service workers: https://bit.ly/CRA-PWA 17 | serviceWorker.unregister(); 18 | -------------------------------------------------------------------------------- /src/serviceWorker.js: -------------------------------------------------------------------------------- 1 | // This optional code is used to register a service worker. 2 | // register() is not called by default. 3 | 4 | // This lets the app load faster on subsequent visits in production, and gives 5 | // it offline capabilities. However, it also means that developers (and users) 6 | // will only see deployed updates on subsequent visits to a page, after all the 7 | // existing tabs open on the page have been closed, since previously cached 8 | // resources are updated in the background. 9 | 10 | // To learn more about the benefits of this model and instructions on how to 11 | // opt-in, read https://bit.ly/CRA-PWA 12 | 13 | const isLocalhost = Boolean( 14 | window.location.hostname === 'localhost' || 15 | // [::1] is the IPv6 localhost address. 16 | window.location.hostname === '[::1]' || 17 | // 127.0.0.0/8 are considered localhost for IPv4. 18 | window.location.hostname.match( 19 | /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/ 20 | ) 21 | ); 22 | 23 | export function register(config) { 24 | if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) { 25 | // The URL constructor is available in all browsers that support SW. 26 | const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href); 27 | if (publicUrl.origin !== window.location.origin) { 28 | // Our service worker won't work if PUBLIC_URL is on a different origin 29 | // from what our page is served on. This might happen if a CDN is used to 30 | // serve assets; see https://github.com/facebook/create-react-app/issues/2374 31 | return; 32 | } 33 | 34 | window.addEventListener('load', () => { 35 | const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`; 36 | 37 | if (isLocalhost) { 38 | // This is running on localhost. Let's check if a service worker still exists or not. 39 | checkValidServiceWorker(swUrl, config); 40 | 41 | // Add some additional logging to localhost, pointing developers to the 42 | // service worker/PWA documentation. 43 | navigator.serviceWorker.ready.then(() => { 44 | console.log( 45 | 'This web app is being served cache-first by a service ' + 46 | 'worker. To learn more, visit https://bit.ly/CRA-PWA' 47 | ); 48 | }); 49 | } else { 50 | // Is not localhost. Just register service worker 51 | registerValidSW(swUrl, config); 52 | } 53 | }); 54 | } 55 | } 56 | 57 | function registerValidSW(swUrl, config) { 58 | navigator.serviceWorker 59 | .register(swUrl) 60 | .then(registration => { 61 | registration.onupdatefound = () => { 62 | const installingWorker = registration.installing; 63 | if (installingWorker == null) { 64 | return; 65 | } 66 | installingWorker.onstatechange = () => { 67 | if (installingWorker.state === 'installed') { 68 | if (navigator.serviceWorker.controller) { 69 | // At this point, the updated precached content has been fetched, 70 | // but the previous service worker will still serve the older 71 | // content until all client tabs are closed. 72 | console.log( 73 | 'New content is available and will be used when all ' + 74 | 'tabs for this page are closed. See https://bit.ly/CRA-PWA.' 75 | ); 76 | 77 | // Execute callback 78 | if (config && config.onUpdate) { 79 | config.onUpdate(registration); 80 | } 81 | } else { 82 | // At this point, everything has been precached. 83 | // It's the perfect time to display a 84 | // "Content is cached for offline use." message. 85 | console.log('Content is cached for offline use.'); 86 | 87 | // Execute callback 88 | if (config && config.onSuccess) { 89 | config.onSuccess(registration); 90 | } 91 | } 92 | } 93 | }; 94 | }; 95 | }) 96 | .catch(error => { 97 | console.error('Error during service worker registration:', error); 98 | }); 99 | } 100 | 101 | function checkValidServiceWorker(swUrl, config) { 102 | // Check if the service worker can be found. If it can't reload the page. 103 | fetch(swUrl, { 104 | headers: { 'Service-Worker': 'script' }, 105 | }) 106 | .then(response => { 107 | // Ensure service worker exists, and that we really are getting a JS file. 108 | const contentType = response.headers.get('content-type'); 109 | if ( 110 | response.status === 404 || 111 | (contentType != null && contentType.indexOf('javascript') === -1) 112 | ) { 113 | // No service worker found. Probably a different app. Reload the page. 114 | navigator.serviceWorker.ready.then(registration => { 115 | registration.unregister().then(() => { 116 | window.location.reload(); 117 | }); 118 | }); 119 | } else { 120 | // Service worker found. Proceed as normal. 121 | registerValidSW(swUrl, config); 122 | } 123 | }) 124 | .catch(() => { 125 | console.log( 126 | 'No internet connection found. App is running in offline mode.' 127 | ); 128 | }); 129 | } 130 | 131 | export function unregister() { 132 | if ('serviceWorker' in navigator) { 133 | navigator.serviceWorker.ready 134 | .then(registration => { 135 | registration.unregister(); 136 | }) 137 | .catch(error => { 138 | console.error(error.message); 139 | }); 140 | } 141 | } 142 | -------------------------------------------------------------------------------- /src/services/upload-files.service.js: -------------------------------------------------------------------------------- 1 | import http from "../http-common"; 2 | 3 | class UploadFilesService { 4 | upload(file, onUploadProgress) { 5 | let formData = new FormData(); 6 | 7 | formData.append("file", file); 8 | 9 | return http.post("/upload", formData, { 10 | headers: { 11 | "Content-Type": "multipart/form-data", 12 | }, 13 | onUploadProgress, 14 | }); 15 | } 16 | 17 | getFiles() { 18 | return http.get("/files"); 19 | } 20 | } 21 | 22 | export default new UploadFilesService(); 23 | -------------------------------------------------------------------------------- /src/setupTests.js: -------------------------------------------------------------------------------- 1 | // jest-dom adds custom jest matchers for asserting on DOM nodes. 2 | // allows you to do things like: 3 | // expect(element).toHaveTextContent(/react/i) 4 | // learn more: https://github.com/testing-library/jest-dom 5 | import '@testing-library/jest-dom/extend-expect'; 6 | --------------------------------------------------------------------------------