# Kompilera erb-filen till html
ruby example.rb
# Visa resultatet i webbläsaren
open index.html
Created
January 31, 2014 11:46
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ERB example
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| require 'erb' | |
| class Post | |
| attr_accessor :title, :body | |
| @@posts = [] | |
| def initialize(title: nil, body: nil) | |
| @title = title | |
| @body = body | |
| end | |
| def publish | |
| @@posts.push(self) | |
| end | |
| def self.all | |
| @@posts | |
| end | |
| end | |
| Post.new(title: 'Hello World', body: 'Lorem Ipsum').publish | |
| Post.new(title: 'Welcome', body: 'To ruby').publish | |
| renderer = ERB.new(File.read('index.html.erb')) | |
| File.write('index.html', renderer.result) |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| </head> | |
| <body> | |
| <h1>Blogg</h1> | |
| <p> | |
| Tiden är nu: <%= Time.now %> | |
| </p> | |
| <% Post.all.each do |post| %> | |
| <article> | |
| <h2><%= post.title %></h2> | |
| <div><%= post.body %></div> | |
| </article> | |
| <% end %> | |
| </body> | |
| </html> |
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