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184

answers:

0

Hi,

I am trying to make a node.js file uploader with a ajax progress bar.

var formidable = require('./formidable'), http = require('http'), sys = require('sys');
 http.createServer(function(req, res) {
  if (req.url == '/upload' && req.method.toLowerCase() == 'post') {
    // parse a file upload
    var form = new formidable.IncomingForm();
    form.uploadDir = './node_uploads';
    form.keepExtensions = true;
    //print the upload status in bytes
    form.addListener("progress", function(bytesReceived, bytesExpected) {
        //progress as percentage
        progress = (bytesReceived / bytesExpected * 100).toFixed(2);
        mb = (bytesExpected / 1024 / 1024).toFixed(1);
        sys.print("Uploading "+mb+"mb ("+progress+"%)\015");
    });
    //enter here after upload complete
    form.parse(req, function(fields, files) {
        sys.debug("Upload Complete");
        res.writeHead(200, {'content-type': 'text/plain'});
        res.write('received upload:\n\n');
        res.end());
    });
    return;
  }
  if (req.url == '/update') {
        res.writeHead(200, {'content-type': 'text/plain'});
        res.write('<?xml version="1.0"?><response><status>1</status><message>'+ 000 +'</message> </response>');
        res.end();

    }
  // show a file upload form
  res.writeHead(200, {'content-type': 'text/html'});
  res.end
    ( '<form action="/upload" enctype="multipart/form-data" method="post">'
    + '<p id="statuslabel"></p><p id="anotherlabel"></p>' 
    + '<input type="text" name="title" id="title"><br>'
    + '<input type="file" name="upload" multiple="multiple"><br>'
    + '<input type="submit" value="Upload" id="uploadform">'
    + '</form>'
    );
}).listen(8000, '127.0.0.1');

The jquery is quite lengthy so I have cut it out but all it does is start a timer and request data from update and set on the label.

With this code will node accept multiple uploads from different hosts ? Also firefox doesnt seem to work but safari/chrome does any idea ? How would I request a status for the file upload ?

Thanks, Alex