Ruby on Rails plugin: QRCode

I come across this page, a javascript QRCode generator. ¹

To simplify the tasks to use it in Rails, I created a plugins QRCode for Ruby on Rails.

Usage

1. In your rails project, install the plugin by following command:

 ./script/plugin install http://qrcode-rails.googlecode.com/svn/trunk/plugins/qrcode

2. Add javascript include tag in HTML header:

   <%= javascript_include_tag :defaults %>

3. Add following funtion to where you want to generate QRCode.

   <%= qrcode('http://www.google.com/', 2) %>

• The first parameter is URL
• The second optional parameter is pixel size.
4. Done!

For details, please check the QRCode project page.

Sample Code
<%= qrcode('http://www.google.com/', 8 ) %>

Sample Screen

1. In case you dont know, QRCode is those mystic code appeared in most japanese media. Snap the QRCode by your cell phone, the code is translated into URL. ↩