server.js

var http = require('http');
var fs = require('fs');
var formidable = require("formidable");
var util = require('util');

var server = http.createServer(function (req, res) {
   if (req.method.toLowerCase() == 'get') {
       displayForm(res);
   } else if (req.method.toLowerCase() == 'post') {
       processAllFieldsOfTheForm(req, res);
   }

});

function displayForm(res) {
   fs.readFile('form.html', function (err, data) {
       res.writeHead(200, {
           'Content-Type': 'text/html',
           'Content-Length': data.length
       });
       res.write(data);
       res.end();
   });
}

function processAllFieldsOfTheForm(req, res) {
   var form = new formidable.IncomingForm();

   form.parse(req, function (err, fields, files) {
       //Store the data from the fields in your data store.
       //The data store could be a file or database or any other store based
       //on your application.
       res.writeHead(200, {
           'content-type': 'text/plain'
       });
       res.write('received the data:\n\n');
       res.end(util.inspect({
           fields: fields,
           files: files
       }));
   });
}


server.listen(1185);
console.log("Server running at http://127.0.0.1:1185/");