NodeJS accesing html form file input

Question

I've been stuck on this for a while now. For some reason I can't get this to work. What I'm trying to do is get the name of downFile:

app.get('/download', function(req, res){
 var selectedFile = req.body.downFile;
 var file = __dirname + '/uploads/' + filename;

  var filename = path.basename(file);
  var mimetype = mime.lookup(file);

  res.setHeader('Content-disposition', 'attachment; filename=' + filename);
  res.setHeader('Content-type', mimetype);

  var filestream = fs.createReadStream(file);
  filestream.pipe(res);
});

HTML:

If anyone knows how to properly get the name of "downFile" I would much appreciate.

from where you are getting filename in var file = __dirname + '/uploads/' + filename; ? — Tech Solvr
– Tech Solvr, Commented Sep 14, 2015 at 20:37
By name of "downFile" do you mean the value of the input with name="downFile"? — hopkins-matt
– hopkins-matt, Commented Sep 14, 2015 at 20:40
I want "var selectedFile = req.body.downFile;" to return the value of downFile yes. When I use req.body.downFile it returns an undefined property. — Carrier
– Carrier, Commented Sep 14, 2015 at 20:43

Avalanche · Accepted Answer · 2015-09-14 21:18:00Z

1

req.body.downFile would work if you are passing the value of an input called downFile via POST. But since you are working with file uploads, POST won't help you a lot and should instead take a look at one of the following modules:

http://expressjs.com/api.html#req

In Express 4, req.files is no longer available on the req object by default. To access uploaded files on the req.files object, use a multipart-handling middleware like busboy, multer, formidable, multiparty, connect-multiparty, or pez.

answered Sep 14, 2015 at 21:18

Avalanche

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