- 将一个类的接口转换成另外一个接口,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;
- 当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时适用。
class Player(): # 球员类
name = None
def __init__(self, name):
self.name = name
def Attack(self):
pass
def Defense(self):
pass
class Forwards(Player): # 前锋
def __init__(self, name):
Player.__init__(self, name)
def Attack(self):
print("前锋%s 进攻" % self.name)
def Defense(self):
print("前锋%s 防守" % self.name)
class Center(Player): # 中锋
def __init__(self, name):
Player.__init__(self, name)
def Attack(self):
print("中锋%s 进攻" % self.name)
def Defense(self):
print("中锋%s 防守" % self.name)
class Guards(Player): # 后卫
def __init__(self, name):
Player.__init__(self, name)
def Attack(self):
print("后卫%s 进攻" % self.name)
def Defense(self):
print("后卫%s 防守" % self.name)
class ForeignCenter(Player): # 外籍中锋(待适配类)
name = ''
def __init__(self, name):
Player.__init__(self, name)
def ForeignAttack(self):
print("外籍中锋%s 进攻" % self.name)
def ForeignDefense(self):
print("外籍中锋%s 防守" % self.name)
class Translator(Player): # 翻译(适配类,使外籍中锋都可以使用’Attack‘)
foreignCenter = None
def __init__(self, name):
super().__init__(name)
self.foreignCenter = ForeignCenter(name)
def Attack(self):
self.foreignCenter.ForeignAttack()
def Defense(self):
self.foreignCenter.ForeignDefense()
if __name__ == '__main__':
b = Forwards('巴蒂尔')
ym = Guards('姚明')
m = Translator('麦克格雷迪')
b.Attack()
m.Defense()
ym.Attack()
ym.Defense()
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