2016年10月3日月曜日

開発環境

Head First Ruby (Jay McGavren (著)、O'Reilly Media)のChapter 14.(Web Apps: Serving HTML)、ERB embedding tags、Pool Puzzle(No. 7404)を取り組んでみる。

Pool Puzzle(No. 7404)

コード(Emacs)

#!/usr/bin/env ruby2.3
# -*- coding: utf-8 -*

require 'sinatra'

get('/addition') do
  @first = 3
  @second = 5
  @result = @first + @second
  erb :addition
end

get('/multiplication') do
  @first = 2
  @second = 6
  @result = @first * @second
  erb :multiplication
end

<!doctype html>
<html>
  <body>
    <%= @first %> plus
    <%= @second %> equals
    <%= @result %>
  </body>
</html>
<!doctype html>
<html>
  <body>
    <%= @first %> times
    <%= @second %> equals
    <%= @result %>
  </body>
</html>

入出力結果(Terminal)

$ ./app.rb
[2016-10-03 18:49:42] INFO  WEBrick 1.3.1
[2016-10-03 18:49:42] INFO  ruby 2.3.1 (2016-04-26) [x86_64-darwin15]
== Sinatra (v1.4.7) has taken the stage on 4567 for development with backup from WEBrick
[2016-10-03 18:49:42] INFO  WEBrick::HTTPServer#start: pid=11073 port=4567
::1 - - [03/Oct/2016:18:49:54 +0900] "GET /addition HTTP/1.1" 200 79 0.0237
::1 - - [03/Oct/2016:18:49:54 JST] "GET /addition HTTP/1.1" 200 79
- -> /addition
::1 - - [03/Oct/2016:18:50:04 +0900] "GET /multiplication HTTP/1.1" 200 81 0.0042
::1 - - [03/Oct/2016:18:50:04 JST] "GET /multiplication HTTP/1.1" 200 81
- -> /multiplication
  C-c C-c== Sinatra has ended his set (crowd applauds)
[2016-10-03 18:50:10] INFO  going to shutdown ...
[2016-10-03 18:50:10] INFO  WEBrick::HTTPServer#start done.
$

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