Thursday, October 2, 2008

Rails Hello World!

App\Controllers\say_controller.rb

class SayController < ApplicationController
    def hello
        @time = Time.now
    end

    def goodbye
    end

    def files
        @files = Dir.glob('*')
    end
end

app\views\say\hello.html.erb

<html>
	<head>
		<title>Hello, Rails!</title>
	</head>
	<body>
		<h1>Hello from Rails!</h1>
		<ul>
			<li>Addition: <%= 1+2 %> </li>
			<li>Concatenation: <%= "cow" + "boy" %> </li>
			<li>Time in one hour: <%= 1.hour.from_now %> </li>
		</ul>

		<% 3.times do %>
		Ho!<br />
		<% end %>
		Merry Christmas!
		<br /><br />
		<% 3.downto(1) do |count| -%>
		<%= count %>...<br />
		<% end -%>
		Lift off!
		<br /><br />
		Email: <%= h("The <thekhuc@gmail.com>") %>

		<p>
			It is now <%= Time.now %>			
		</p>

		<p>
			It is now <%= @time %>
		</p>

		<p>
			Time to say
			<%= link_to "Goodbye!", :action => "goodbye" %>
	</body>
</html>

http://localhost:3000/say/hello

Hello from Rails!

Addition: 3

Concatenation: cowboy

Time in one hour: 2008-10-03 06:23:33 UTC

Ho!
Ho!
Ho!
Merry Christmas!

3...
2...
1...
Lift off!

Email: The <thekhuc@gmail.com>

It is now Fri Oct 03 01:23:33 -0400 2008

It is now Fri Oct 03 01:23:33 -0400 2008

Time to say Goodbye!

app\views\say\goodbye.html.erb

<html>
	<head>
		<title>See You Later!</title>
	</head>
	<body>
		<h1>Goodbye!</h1>
		<p>
			It was nice having you here.
		</p>

		<p>
			Time to say
			<%= link_to "Hello!", :action => "hello" %>
	</body>
</html>

http://localhost:3000/say/goodbye

Goodbye!

It was nice having you here.

Time to say Hello!

app\views\say\files.html.erb

<html>
	<head>
		<title>Files</title>
	</head>
	<body>
		<ul>
			<% for file in @files %>
				<li>file name is <%= file %></li>
			<% end %>
		</ul>
	</body>
</html>

http://localhost:3000/say/files

file name is app

file name is config

file name is db

file name is doc

file name is lib

file name is log

file name is public

file name is Rakefile

file name is README

file name is script

file name is test

file name is tmp

file name is vendor