Pourquoi Ruby on Rails ça déchire ?

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A v R rarticlesid title body1 hello world This is a body # app/models/article.rb class Article < ActiveRecord::Base end article = Article.first article.title #=> "hello world"

A v R rarticlesid title body published1 hello world This is a body 12 other art. Not published 0 articles = Article.where(published: 1) articles.count #=> 1

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A v R rarticles # app/models/article.rbid title body author_id class Article < ActiveRec... belongs_to :author1 ... ... 1 end # app/models/author.rb class Author < ActiveRec... authors has_many :articles end id name article = Article.first 1 John Doe article.author.name #=> “John Doe”

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R# app/controller/hello_controller.rbclass HelloController < ApplicationController def index @name = params[:name] endend http://example.com/hello/John # config/routes.rb get "hello/:name" => "hello#index" action du contrôleur URL contrôleur verbe HTTP paramètre

V# app/controller/hello_controller.rbclass HelloController < ApplicationController def index @name = params[:name] endend# app/views/hello/index.html.erbBonjour <%= @name %> C v !

H pr# app/controller/articles_controller.rbclass ArticlesController < ApplicationController def new @article = Article.new endend Title <%= form_for @article do |f| %> <%= f.label :title, "Title" %> <%= f.text_field :title %> Body <%= f.label :body, "Body" %> <%= f.text_area :body %> <%= f.submit %> <% end %> Create Article

R$ rake routesGET /hello/:name { :controller => "hello", :action => "index" }$ rails serverLance un serveur web sur http://localhost:3000/$ rails consoleLance une console avec le contexte de l’application >> Article.first.title #=> "hello world"

G r r$ rails generate model author name:string invoke active_record create db/migrate/20120108151543_create_authors.rb create app/models/author.rb instructions de création de la table authors modèle Author

G r r$ rails g scaffold author name:stringcreate db/migrate/20120108152723_create_authors.rbcreate app/models/author.rb modèleroute resources :authors routescreate app/controllers/authors_controller.rb contrôleurcreate app/views/authors/index.html.erbcreate app/views/authors/edit.html.erbcreate app/views/authors/show.html.erbcreate app/views/authors/new.html.erb vuescreate app/views/authors/_form.html.erbcreate public/stylesheets/scaffold.css CSS par défaut

G r r # config/routes.rb resources :authors authors GET /authors { action: index controller: authors } author GET /authors/:id { action: show controller: authors } new_author GET /authors/new { action: new controller: authors } POST /authors { action: create controller: authors } edit_author GET /authors/:id/edit { action: edit controller: authors } PUT /authors/:id { action: update controller: authors } DELETE /authors/:id { action: destroy controller: authors }<%= link_to "All authors", authors_path %><%= link_to "Edit", edit_author_path(@author) %>

L p p ’A v S pp r1.kilobytes! #=> 10243.days.ago!! #=> Sat, 04 Feb 2012 17:45:42 CET +01:00"héhé test".parameterize! #=> "hehe-test"“article”.pluralize! ! ! #=> "articles" !

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V f r r<%= form_for @article do |f| %> <%= f.label :title, "Title" %> <%= f.text_field :title %> <%= f.label :body, "Body" %> <%= f.text_area :body %> <%= f.submit %><% end %> slim + simple_form = simple_form_for @article do |f| = f.input :title = f.input :body = f.submit

E ’ rM Pagination MongoDB K r C r rw v Système d’administration Upload de fichiers A v A

Q R ? Tw r G b B pP J US Gr p S pf http://rubyonrails.org/applications

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Pourquoi Ruby on Rails ça déchire ?

by happynoff on Jan 17, 2012

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Pourquoi Ruby on Rails ça déchire ? — Presentation Transcript