无法使用Ruby的Framework Padrino读取上传的文件

Question

I have this form for uploading files:

-# coding: utf-8
- content_for(:body_classes, "body3")
.content
  - form_tag url(:images, :create), :method => :post, :multipart => true do
    = file_field_tag :file
    = submit_tag "Upload"

And this Controller to handle it:

Fbapp.controllers :images do

  get :new do
    render 'images/new'
  end

  post :create do
    require 'net/ftp'
    file = params[:file]
    ftp = Net::FTP.new('xxx.xxx.xxx.xxx')
    ftp.passive = true
    ftp.login('user','pass')
    ftp.storbinary("STOR " + "original_filename", StringIO.new(file.read), Net::FTP::DEFAULT_BLOCKSIZE)
    ftp.quit
  end
end

And every time I try to upload a file I get "Internal Server Error". And my log has this:

NoMethodError - undefined method `read' for #<Hash:0x00000003697780>:

I'm trying this on Heroku by the way. I can't figure out what's the problem... It seems to work for a lot of people but me.

Answer 1

You should use:

file = params[:file][:tempfile]

and I suggest to retrieve the filename

name = params[:file][:filename]