python中的super().__init__()

子类构造函数调用super().init()

class Person:
    def __init__(self, name = 'Person'):
        self.name = name


class Puple(Person):  # 直接继承Person，可调用name
    pass


class Puple_Init(Person):  # 继承Person，覆盖父类__init__方法，增加age属性
    def __init__(self, age): # 不可调用name属性
        self.age = age

class Puple_Super(Person):  # 继承Person，改写__init__方法，增加age属性
    def __init__(self, name, age):  # 可调用name属性
        # super(Class, self).method()
        super(Puple_Super, self).__init__(name)
        self.age = age

 

pp = Puple()
PP_i = Puple_Init(10)
PP_s = Puple_Super('Puple_Super', 12)

pp.name
pp_i.name
pp_s.name

 

结果

Person

 

Traceback (most recent call last):
File "D:/desktop/111.py", line 26, in <module>
print(PP_i.name)
AttributeError: 'Puple_Init' object has no attribute 'name'

 

Puple_Super