3回答

• 

  Dreamweaver3662984

  2022-08-10 16:01:35

  class Person:

      def __init__(self, name, gender):

          self.name = name

          self.gender = gender

  
  

  class SkillMixin:

      def __init__(self, skill):

          self.skill = skill

      def say(self):

          print("技能是 %s" %(self.skill))

  
  

  class BasketballMixin(SkillMixin):

      def __init__(self, skill):

          super(BasketballMixin, self).__init__(skill)

  
  

  class Student(Person, BasketballMixin):

      def __init__(self, name, gender, score, skill):

          super(Student, self).__init__(name, gender)

          BasketballMixin.__init__(self, skill)

          self.score = score

      def say(self):

          print("学生叫%s，现在读%s，考试分数为%d， 喜欢%s" %(self.name, self.gender, self.score, self.skill))

         

  class Teacher(Person):

      def __init__(self, name, gender, subject):

          super(Teacher, self).__init__(name, gender)

          self.subject = subject

      def say(self):

          print("老师叫{}，现在在{}教{}。".format(self.name, self.gender, self.subject))

  
  

  t = Teacher('xx', '一年级', '数学')

  s = Student('小明', '一年级', 99, '篮球')

  # t.say()

  s.say()

  
  

  
  

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• 

  dotasfans

  2022-07-02 12:14:01

  class Person(object):
      def __init__(self):
          print("I am person")
          
  class Student(Person):
      def __init__(self):
          super(Student,self).__init__()
          print("i am student")
          self.name = 'Andy'
          
          
  class SkillMixin(object):
      def __init__(self):
          print("i can skill")
  
  
  class BasketballMixin(SkillMixin):
      def __init__(self):
          super(BasketballMixin,self).__init__()
          print("i can basketball")
          self.ball = "basketball"
          
  
          
          
  class BasketballStudent(Student,BasketballMixin):
      def __init__(self):
          super(BasketballStudent,self).__init__()
          print("student can basketball")
          
  stu = BasketballStudent()
  
  print(stu.name)
  
  print(stu.ball)

  
  

  打印姓名没问题，打印球就报错，很好的说明了这个问题
  

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• 

  dotasfans

  2022-07-02 12:12:30

  我也发现这个问题，多重继承好像是个笑话，本质上还是只继承了第一个
  

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