Rails3 ActiveRecordã§ã¯ãªã„モデル « ツボニãƒActiveModelを使ã†ã¨DBã«å€¤ã‚’ä¿å˜ã—ãªã„ã§ã€form_forã§ä½¿ç”¨ã—ãŸã‚Šã€ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ãŒã§ãるモデルオブジェクトを作æˆã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ app/models/contact.rb class Contact include ActiveModel::Conversion include ActiveModel::Validations extend ActiveModel::Naming extend ActiveModel::Translation attr_accessor :name attr_accessor :email attr_accessor :subject attr_accessor :message validates :name, :presence => true validates :email, :presence => true, :con
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