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npm install multer
Then, you can create a route in your Express.js application to handle the file upload. Here’s an example:
const express = require('express');
const multer = require('multer');
const app = express();
const upload = multer({ dest: 'uploads/' });
app.post('/upload', upload.single('file'), (req, res) => {
// handle the file upload here
});
In the above code, we create an instance of the multer middleware and specify the destination directory where the uploaded files should be stored.
Then, we create a route to handle the file upload. We specify that this route should only accept a single file with the field name file, which is the name of the input field in the HTML form that the user will be uploading the file from.
In the route handler function, you can access the uploaded file using the req.file object. This object contains information about the uploaded file, such as its filename, mimetype, and size.
You can then do whatever you need to do with the uploaded file, such as saving it to a database or processing it in some way.
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