code-boxx/0-NODE-UPLOAD.MD

## 0-NODE-UPLOAD.MD

      
    Raw
  

              0-NODE-UPLOAD.MD
            
          
    NODEJS EXPRESS FILE UPLOAD

https://code-boxx.com/upload-files-nodejs-express/
NOTES


Run unpack.bat (Windows) unpack.sh (Linux/Mac). This will automatically:

Create an uploads folder.
Install required modules - npm i express express-fileupload
Start the Express server - node 1-server.js.


Access http://localhost/ in your browser.

LICENSE

Copyright by Code Boxx
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

  
## 1-server.js
// (A) INITIALIZE
// (A1) LOAD REQUIRED MODULES
const path = require("path"),
      express = require("express"),
      fileUpload = require("express-fileupload");

// (A2) EXPRESS + MIDDLEWARE
// https://www.npmjs.com/package/express-fileupload
const app = express();
app.use(fileUpload());

// (B) EXPRESS HTTP
// (B1) UPLOAD PAGE
app.get("/", (req, res) => res.sendFile(path.join(__dirname, "/2-upload.html")));

// (B3) MANAGE UPLOAD
app.post("/upload", (req, res) => {
  // (B3-1) UPLOADED FILE & DESTINATION
  let upfile = req.files.upfile,
      updest = __dirname + "/uploads/" + upfile.name;

  // (B3-2) MOVE UPLOADED FILE
  upfile.mv(updest, err => {
    if (err) { return res.status(500).send(err); }
    res.send("File uploaded!");
  });
});

// (C) GO!
app.listen(80);

## 2-upload.html
<!DOCTYPE html>
<html>
  <head>
    <title>Simple Upload Form</title>
  </head>
  <body>
    <form action="http://localhost/upload" method="POST" enctype="multipart/form-data">
      <input type="file" name="upfile" required>
      <input type="submit" value="Upload!">
    </form>
  </body>
</html>

## unpack.bat
md uploads
call npm i express express-fileupload
node 1-server.js

## unpack.sh
mkdir -m 777 uploads
source "npm i express express-fileupload"
node ./1-server.js
	// (A) INITIALIZE
	// (A1) LOAD REQUIRED MODULES
	const path = require("path"),
	express = require("express"),
	fileUpload = require("express-fileupload");

	// (A2) EXPRESS + MIDDLEWARE
	// https://www.npmjs.com/package/express-fileupload
	const app = express();
	app.use(fileUpload());

	// (B) EXPRESS HTTP
	// (B1) UPLOAD PAGE
	app.get("/", (req, res) => res.sendFile(path.join(__dirname, "/2-upload.html")));

	// (B3) MANAGE UPLOAD
	app.post("/upload", (req, res) => {
	// (B3-1) UPLOADED FILE & DESTINATION
	let upfile = req.files.upfile,
	updest = __dirname + "/uploads/" + upfile.name;

	// (B3-2) MOVE UPLOADED FILE
	upfile.mv(updest, err => {
	if (err) { return res.status(500).send(err); }
	res.send("File uploaded!");
	});
	});

	// (C) GO!
	app.listen(80);
	<!DOCTYPE html>
	<html>
	<head>
	<title>Simple Upload Form</title>
	</head>
	<body>
	<form action="http://localhost/upload" method="POST" enctype="multipart/form-data">
	<input type="file" name="upfile" required>
	<input type="submit" value="Upload!">
	</form>
	</body>
	</html>
	md uploads
	call npm i express express-fileupload
	node 1-server.js
	mkdir -m 777 uploads
	source "npm i express express-fileupload"
	node ./1-server.js