In my last article, we discussed the difficulties of file-uploads via AJAX, and how the iFrame method works around the issues to provide an AJAX-like interface for uploading files to the server. So how does this relate to Rails? Rails 3 uses Unobtrusive JavaScript for remote links and forms (and comes packaged with the jquery-ujs driver via the jquery-rails gem as of Rails 3.1!). However, because
AJAX file uploads, how do they work?! Well, they kinda don't. Browsers don't allow file uploads via XMLHttpRequest (aka XHR) for security reasons. If we try to submit a form remotely via XHR, it will work, except with the file field stripped out of the request parameters. This sort of partial, silent failure can lead to unicorn black-eyes. (I punch unicorns in the face when I'm frustrated.) This i
てっちゅーのお役立ち日記仕事、健康、家庭、教育、趣味、コンピューターなど 今日も何処かで誰かの役に立つ情報を不定期でアップしていく予定です。 view、controllerを作成、routes.rbを修正して ファイルのアップロードを試してみる 1.viewの作成 (....\app\views\ctrlの下にupload.html.erbを作成) viewの内容 <%= form_tag({ :action => 'upload_process' }, :multipart => true) do %> <label>ファイルを指定: <%= file_field_tag 'upfile', { :size => 50 } %></label> <%= submit_tag 'アップロード' %> <% end %> 2.controllerの作成 (..\app\controllers
I want to test a file upload in rails, but am not sure how to do this. Here is the controller code: def uploadLicense #Create the license object @license = License.create(params[:license]) #Get Session ID sessid = session[:session_id] puts "\n\nSession_id:\n#{sessid}\n" #Generate a random string chars = ("a".."z").to_a + ("A".."Z").to_a + ("0".."9").to_a newpass = "" 1.upto(5) { |i| newpass << cha
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