艺术家派大星
2020-08-14 11:45
class Programer(object): hobby = 'Play Computer' def __init__(self, name, age, weight): self.name = name self._age = age self.__weight = weight @classmethod def get_hobby(cls): return cls.hobby @property def get_weight(self): return self.__weight def self_introduction(self): print("my name is %s \n i am %s years old" % (self.name, self._age)) class BcakendProgramer(Programer): def __init__(self, name, age, weight, language): # 创建构造函数 super(BcakendProgramer, self).__init__(name, age, weight) # 调用父类构造函数 self.language = language # 再添加一个属性,进行赋值 if __name__ == '__main__': programer = BcakendProgramer('Albert', 21, 50, 'Chinese') print('dir()-----将属性打印:\n', dir(programer)) print('programer.__dict__ ----- 是将这个对象在构造函数里面赋予值的属性打印出来\n', programer.__dict__) print('type(programer)是个啥东西:判断paogranmer的种类\n', type(programer)) print('isinstance(programer,Programer)是个啥东西:-----判断后者是不是前者的父类\n', isinstance(programer, Programer)) #输出结果 dir()-----将属性打印: ['_Programer__weight', '__class__', '__delattr__', '__dict__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__le__', '__lt__', '__module__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__', '_age', 'get_hobby', 'get_weight', 'hobby', 'language', 'name', 'self_introduction'] programer.__dict__ ----- 是将这个对象在构造函数里面赋予值的属性打印出来 {'name': 'Albert', '_age': 21, '_Programer__weight': 50, 'language': 'Chinese'} type(programer)是个啥东西:判断paogranmer的种类 <class '__main__.BcakendProgramer'> isinstance(programer,Programer)是个啥东西:-----判断后者是不是前者的父类 True
dir()-----将属性打印: ['_Programer__weight', '__class__', '__delattr__', '__dict__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__le__', '__lt__', '__module__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__', '_age', 'get_hobby', 'get_weight', 'hobby', 'language', 'name', 'self_introduction'] programer.__dict__ ----- 是将这个对象在构造函数里面赋予值的属性打印出来: {'name': 'Albert', '_age': 21, '_Programer__weight': 50, 'language': 'Chinese'} type(programer)是个啥东西:判断paogranmer的种类: <class '__main__.BcakendProgramer'> isinstance(programer,Programer)是个啥东西:-----判断后者是不是前者的父类: True
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