fileupload nodejs

fileupload

http://localhost:3000/upload


node:


var express = require('express');
var app = express();
var path = require('path');
var formidable = require('formidable');
var fs = require('fs');
var cors = require('cors');
var os = require('os');
var util = require('util');

app.use(cors());

app.use(express.static(path.join(__dirname, 'public')));

app.get('/', function(req, res) {
  res.sendFile(path.join(__dirname, 'views/index.html'));
});

app.post('/upload', function(req, res) {
  var form = new formidable.IncomingForm(),
    files = [],
    fields = [];

  form.uploadDir = os.tmpdir();

  form
    .on('field', function(field, value) {
      console.log(field, value);
      fields.push([field, value]);
    })
    .on('file', function(field, file) {
      console.log(field, file);
      files.push([field, file]);
    })
    .on('end', function() {
      console.log('-> upload done');

      console.log('files', files);

      files.forEach(f => {
        const [filename, file] = f;

        fs.renameSync(file.path, path.resolve('uploads', filename));
      });

      res.writeHead(200, { 'content-type': 'text/plain' });
      res.write('received fields:\n\n ' + util.inspect(fields));
      res.write('\n\n');
      res.end('received files:\n\n ' + util.inspect(files));
    });

  form.parse(req);
});

var server = app.listen(3000, function() {
  console.log('Server listening on port 3000');
});