Rails - How does it work?
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This was a introduction talk for a Railsgirls Meetup.
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Rails - How does it work?
- 1. A RAILS APP How does it work? @donschado @klaustopher Donnerstag, 21. November 13
- 4. URL localhost:3000/ Request GET / Response <html lang="en"> <head> <title>Facebook Lite</title> <link href="/assets/application.css" media="all" rel="stylesheet"> <script src="/assets/application.js"></script> </head> <body> <div> <h1>Das Neuste aus dem ganzen Netzwerk</h1> <ul> <li> <img src="https://somewhere.github.com/1062e0f.png"> <div class="media-body"> <h4>Liane<small>19 Nov 20:32</small></h4> <p>Ich bin hier!!!</p> </div> </li> <li> <img src="https://somwhere.github.com/fa47a113f69.png"> <div> <h4>Marco<small>19 Nov 20:02</small></h4> <p>Hallo, ist da wer?</p> </div> </li> <li> <img src="https://somwhere.github.com/fa47a113f69.png"> <div> <h4>Marco<small>19 Nov 19:02</small></h4> <p>Hallo Welt!</p> </div> </li> </ul> </div> </body> </html> Router routes.rb Controller <head> <title>Facebook Lite</title> <%= javascript_include_tag "application" %> </head> Partial </div> </body> </html> Donnerstag, 21. November 13 Layout application.html.erb post.rb _post.html.erb class Post < ActiveRecord::Base end ... </h1> <%= stylesheet_link_tag "application", media: "all" %> <%= yield %> Model index.html.erb <ul> <%= render @posts %> </ul> <html lang="en"> <div class="container"> get ’/’ => ‘welcome#index’ welcome_controller.rb <h1>Das neuste aus <body> same as class WelcomeController < ApplicationController def index @posts = Post.... end end View Render HTML root ”welcome#index“ <li> <%= image_tag(post.user.avatar) %> <%= post.user.name %> <%= post.content %> </li> Datenbank db/schema.rb create_table t.text t.integer t.datetime t.datetime end "posts" do |t| "content" "user_id" "created_at" "updated_at"