适配器模式:将一个类的接口转换成客户希望的另外一个接口。使得原本由于接口不兼容而不能一起工作的那些类可以一起工作。
应用场景:希望复用一些现存的类,但是接口又与复用环境要求不一致。
应用场景:希望复用一些现存的类,但是接口又与复用环境要求不一致。
分类:类适配器(通过多重继承)、对象适配器。
- #encoding=utf-8
- #
- #by panda
- #适配器模式
- def printInfo(info):
- print unicode(info, 'utf-8').encode('gbk')
- #球员类
- class Player():
- name = ''
- def __init__(self,name):
- self.name = name
- def Attack(self,name):
- pass
- def Defense(self):
- pass
- #前锋
- class Forwards(Player):
- def __init__(self,name):
- Player.__init__(self,name)
- def Attack(self):
- printInfo("前锋%s 进攻" % self.name)
- def Defense(self,name):
- printInfo("前锋%s 防守" % self.name)
- #中锋(目标类)
- class Center(Player):
- def __init__(self,name):
- Player.__init__(self,name)
- def Attack(self):
- printInfo("中锋%s 进攻" % self.name)
- def Defense(self):
- printInfo("中锋%s 防守" % self.name)
- #后卫
- class Guards(Player):
- def __init__(self,name):
- Player.__init__(self,name)
- def Attack(self):
- printInfo("后卫%s 进攻" % self.name)
- def Defense(self):
- printInfo("后卫%s 防守" % self.name)
- #外籍中锋(待适配类)
- #中锋
- class ForeignCenter(Player):
- name = ''
- def __init__(self,name):
- Player.__init__(self,name)
- def ForeignAttack(self):
- printInfo("外籍中锋%s 进攻" % self.name)
- def ForeignDefense(self):
- printInfo("外籍中锋%s 防守" % self.name)
- #翻译(适配类)
- class Translator(Player):
- foreignCenter = None
- def __init__(self,name):
- self.foreignCenter = ForeignCenter(name)
- def Attack(self):
- self.foreignCenter.ForeignAttack()
- def Defense(self):
- self.foreignCenter.ForeignDefense()
- def clientUI():
- b = Forwards('巴蒂尔')
- m = Guards('麦克格雷迪')
- ym = Translator('姚明')
- b.Attack()
- m.Defense()
- ym.Attack()
- ym.Defense()
- return
- if __name__ == '__main__':
- clientUI();
类图: