Language Ruby on Rails
(It's all in the View)
Date: | 08/15/09 |
Author: | bjelli |
URL: | n/a |
Comments: | 0 |
Info: | http://guides.rails.info/ |
Score: | (2.78 in 9 votes) |
# Ruby on Rails is a Framework for Web Applications. # it follows the model - view - controller pattern. # One Application has to consist of several files # # You can find the whole source on github: # http://github.com/bjelline/bottle/tree/master # and test the application on heroku # http://bottles.heroku.com/ ------------------ config/routes.rb ------------------- # in this file the mapping from URL to controller is defined ActionController::Routing::Routes.draw do |map| map.root :controller => "wall" map.resources :wall, :singular => :wall_instance end ------------------ app/controller/wall.rb ------------------- class WallController < ApplicationController def show @i = params[:id].to_i end end ------------------ app/views/wall/index.html.erb ------------- <p><%= link_to "Sing the song", :controller => :wall, :action => :show, :id => 99 %></p> ------------------ app/views/wall/show.html.erb ------------- <% while @i > 0 do %> <p> <%= say_bottles(@i) %> of beer on the wall, <%= say_bottles(@i) %> of beer. <br /> <% @i = @i - 1 %> Take one down and pass it around, <%= say_bottles(@i) %> of beer on the wall. </p> <% end %> <p>No more bottles of beer on the wall, no more bottles of beer. <br /> Go to the store and buy some more, 99 bottles of beer on the wall.</p> ------------------ app/helpers/wall/application_helper.rb ------------- module ApplicationHelper def say_bottles( count ) case @i when 0 "No more bottles" when 1 "One bottle" else "#{count} bottles" end end end
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