2011/6/8に下北沢オープンソースカフェで行われたRails3ハンズオンの資料です。

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8. app/
controllers
(2)
config/
routes.rb
(1) (3)
(5) (4)
User
(6)
app/models
app/views
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12. class You
def self.hello You.hello # hello
puts “hello” you = You.new
end you.hello # error
you.morning # morning
def morning
puts “morning”
end
end
12

13. a = 120
a = 100 if a == 100
if a == 100 puts "100!"
puts "100!" elsif a == 120
else puts "120!"
puts "not 100!" else
end puts “?”
end
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14. list = [1,2,3] list = [1,2,3]
list.each do |it| list.each { |it|
puts it puts it
end }
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15. "a".twice # error class You
private
class String def secret
def twice puts “sleeping”
self + self end
end end
end you = You.new
you.secret # error
"a".twice # => "aa' you.send(:secret) # =>
sleeping
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18. class BlogsController
def index # <=
end
def edit
end
end
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19. class Blog < ActiveRecord::Base
end
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20. app/views/blogs/{action}.html.erb
app/views/layouts/blogs.html.erb
or
app/views/layouts/application.html.erb
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21. <%= 100 %>
<% if a == 100 %>
<div>Hello!</div>
<% end %>
<%# comment %>
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22. <%= render 'form' %>
_form.html.erb
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23. class BlogsController
def index # <= <% @list.each do |it| %>
<div><%= it %></div>
@list = [1,2,3] <% end %>
@list.pop
end
def edit
end
end
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25. >> entry = Blog.first
>> entry.title
>> entry.title = “heeeelp”
>> entry.save
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26. class Blog < ActiveRecord::Base
end
class CreateBlogs < ActiveRecord::Migration
def self.up
>> entry = Blog.first create_table :blogs do |t|
>> entry.title t.string :title
t.text :body
t.timestamps
end
end
end
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