【Python】抽象类例子

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# -*- coding: utf-8 -*-# Python抽象类的基本模板from abc import ABCMeta, abstractmethod# 定义抽象类，继承objectclass People(object):    # 定义为抽象类    __metaclass__ = ABCMeta    # 公有变量    name = 'marco'    # 私有变量，双下划线开头    __age = 20    def __init__(self, name = 'Mike'):        self._name = name        self.__age = 20    # 如果不设置setter，则属性为只读    # _name为可读写，而_age为只读    @property    def Name(self):        print 'get name...'        return self._name    @Name.setter    def Name(self, name):        print 'set name...'        self._name = name    @property    def Age(self):        print 'get age...'        return self.__age    # 定义抽象方法，子类继承时需实现    @abstractmethod    def sayHello(self):        pass# 定义实现类, 继承和实现抽象类和其方法class Student(People):    def __init__(self, name = 'Leo'):        self.name = name        self.age = 18    def sayHello(self):        print 'Student say hello to you's = Student()s.sayHello()

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