9. åºç¤ â¼ ã¯ã©ã·ãã¯ã¹ã¿ã¤ã« require 'sinatra' get '/hello' do 'Hello World!' end get '/hello/:name' do "Hello #{params[:name]}!" end $ ruby my_app.rb Gemfile Gemfile.lock my_app.rb èµ·å ãã£ã¬ã¯ããªæ§é my_app.rb 10. ã¢ã¸ã¥ã©ã¼ã¹ã¿ã¤ã« require 'sinatra/base' class MyApp < Siantra::Base get '/hello' do 'Hello World!' end get '/hello/:name' do "Hello #{params[:name]}!" end end $ rackup Gemfile Gemfile.lock config.ru my_app.rb èµ·

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