《大话设计模式》ruby版代码：装饰模式

# -*- encoding: utf-8 -*-

class Person
    attr_accessor :name
    
    def initialize(name)
        @name = name
    end
    
    def wear_t_shirts
        puts ‘大T恤‘
    end
    
    def wear_big_trouser
        puts ‘垮裤‘
    end
    
    def wear_sneakers
        puts ‘破球鞋‘
    end
    
    def wear_suit
        puts ‘西装‘
    end
    
    def wear_tie
        puts ‘领带‘
    end
    
    def wear_leather_shoes
        puts ‘皮鞋‘
    end
    
    def show
        puts "*****装扮的#{name}\n\n"
    end

end


xc=Person.new(‘小菜‘)
puts  "******第一种装扮"
xc.wear_t_shirts
xc.wear_big_trouser
xc.wear_sneakers
xc.show

puts  "******第二种装扮"
xc.wear_suit
xc.wear_tie
xc.wear_leather_shoes
xc.show

# -*- encoding: utf-8 -*-

class Person
    attr_accessor :name
    
    def initialize(name)
        @name = name
    enddef show
        puts "*****装扮的#{name}\n\n"
    end

end


class Finery
    def show
    end
end

class TShirts < Finery
    def show
        puts ‘大T恤‘
    end
end

class BigTrouser < Finery
    def show
        puts ‘垮裤‘
    end
end

class Sneakers < Finery
    def show
        puts ‘破球鞋‘
    end
end

class Suit < Finery
    def show
        puts ‘西装‘
    end
end

class Tie < Finery
    def show
        puts ‘领带‘
    end
end


class LeatherShoes < Finery
    def show
        puts ‘皮鞋‘
    end
end


xc=Person.new(‘小菜‘)
ts = TShirts.new
bt = BigTrouser.new
sk = Sneakers.new
puts  "******第一种装扮"
ts.show
bt.show
sk.show
xc.show


suit = Suit.new
tie = Tie.new
ls = LeatherShoes.new
puts  "******第二种装扮"
suit.show
tie.show
ls.show
xc.show

# -*- encoding: utf-8 -*-

class Person
    attr_accessor :name
    
    def initialize(name=nil)
        @name = name
    end
    
    def show
        puts "*****装扮的#{name}\n\n"
    end

end


class Finery < Person
    attr_accessor :componet

    def decorate(componet)
        @componet = componet
    end

    def show
        componet.show if componet
    end
end

class TShirts < Finery
    def show
        super
        puts ‘大T恤‘
    end
end

class BigTrouser < Finery
    def show
        super
        puts ‘垮裤‘
    end
end

class Sneakers < Finery
    def show
        super
        puts ‘破球鞋‘
    end
end

class Suit < Finery
    def show
        super
        puts ‘西装‘
    end
end

class Tie < Finery
    def show
        super
        puts ‘领带‘
    end
end


class LeatherShoes < Finery
    def show
        super
        puts ‘皮鞋‘
    end
end


xc=Person.new(‘小菜‘)
ts = TShirts.new
bt = BigTrouser.new
sk = Sneakers.new
puts  "******第一种装扮"
ts.decorate xc
bt.decorate ts
sk.decorate bt
sk.show


suit = Suit.new
tie = Tie.new
ls = LeatherShoes.new
puts  "******第二种装扮"
suit.decorate xc
tie.decorate suit
ls.decorate bt
ls.show