On linux, apt-get install ruby or yum install ruby. On OS X install Hombrew then brew install ruby. On Windows use RailsInstaller.
git clone git://gist.github.com/2172615.git demo-sinatra-app
cd demo-sinatra-app
gem install bundler
bundle
ruby app.rb
| require "rubygems" | |
| require "bundler/setup" | |
| Bundler.require :default | |
| enable :sessions | |
| get "/" do | |
| @name = session[:name] | |
| if @name | |
| @title = "Welcome #@name" | |
| erb :welcome | |
| else | |
| @title = "Hello" | |
| erb :index | |
| end | |
| end | |
| post "/register" do | |
| session[:name] = params[:name] | |
| redirect "/" | |
| end | |
| get "/signout" do | |
| session[:name] = nil | |
| redirect "/" | |
| end |
| source :rubygems | |
| gem 'sinatra' |
| GEM | |
| remote: http://rubygems.org/ | |
| specs: | |
| rack (1.4.1) | |
| rack-protection (1.2.0) | |
| rack | |
| sinatra (1.3.2) | |
| rack (~> 1.3, >= 1.3.6) | |
| rack-protection (~> 1.2) | |
| tilt (~> 1.3, >= 1.3.3) | |
| tilt (1.3.3) | |
| PLATFORMS | |
| ruby | |
| DEPENDENCIES | |
| sinatra |
| <h1>Hello Friend, what is your name?</h1> | |
| <form action='/register' method='post'> | |
| <input name='name'> | |
| </form> |
| <doctype html> | |
| <html> | |
| <head> | |
| <title><%= @title %></title> | |
| </head> | |
| <body> | |
| <%= yield %> | |
| </body> | |
| </html> | |
| <h1>Welcome <%= @name %>!</h1> | |
| <a href='/signout'>Sign out</a> |