1. 先要有https://rubygems.org/帳號 2. 安裝環境必要套件 $ gem update --system $ gem install rubygems-update Fetching: rubygems-update-2.7.6.gem (100%) Successfully installed rubygems-update-2.7.6 Parsing documentation for rubygems-update-2.7.6 Installing ri documentation for rubygems-update-2.7.6 Done installing documentation for rubygems-update after 28 seconds 1 gem installed $ update_rubygems 3. 建立gem資料夾 (voteable_shawn) $mkdir voteable_shawn $cd voteable_shawn $mkdir lib 4. 設定檔 voteable_shawn/voteable_shawn.gemspec Gem::Specification.new do |s| s.name = 'voteable_shawn' s.version = '0.0.0' s.licenses = ['MIT'] s.summary = "This is a voteable gem example!" s.description = "The voting gem!" s.authors = ["Shawn"] s.email = 'shawnkuo67@gmail.com' s.files = ["lib/vote...