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6_adapter.py
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6_adapter.py
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# coding : utf-8
# create by ctz on 2017/5/25
from abc import abstractmethod, ABCMeta
class Payment(metaclass=ABCMeta):
@abstractmethod
def pay(self, money):
raise NotImplementedError
class Alipay(Payment):
def pay(self, money):
print("支付宝支付%s元"%money)
class ApplePay(Payment):
def pay(self, money):
print("苹果支付%s元"%money)
#------待适配类------
class WechatPay:
def huaqian(self, a, b):
print("微信支付%s元"%(a+b))
#------类适配器------
class RealWeChatPay(Payment, WechatPay):
def pay(self, money):
return self.huaqian(money, 0)
#------对象适配器------
class PayAdapter(Payment):
def __init__(self, payment):
self.payment = payment
def pay(self, money):
return self.payment.huaqian(money, 0)
#RealWeChatPay().pay(100)
PayAdapter(WechatPay()).pay(1000)