[已解决]我父类的继承出问题啦

ophiway

class Bird(object):
    def __init__(self, name):
        self.name=name
        
    def greet(self):
        print("Hello, I am %s" % self.name)

        
class HungryBird(Bird):
    def __init__(self):
        super(HungryBird, self).__init__()
        self.hungry=True
        
    def eat(self):
        if self.hungry:
            print ("Aaaah")
            self.hungry=False
        else:
            print ("I am full")

代码如上，在实例化HungryBird的时候，总反馈我输入的参数数量不对，晕死!

>>> hb=HungryBird("wuya")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:/Users/Administrator/Desktop/temp2.py", line 13, in __init__
    super(HungryBird, self).__init__()
TypeError: __init__() takes exactly 2 arguments (1 given)
>>>

>>> hb=HungryBird()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:/Users/Administrator/Desktop/temp2.py", line 13, in __init__
    super(HungryBird, self).__init__()
TypeError: __init__() takes exactly 2 arguments (1 given)

快晕死了，求救啊！

最佳答案

月排行榜 / 总排行榜

凌九霄

2018-6-26 20:54:55

1. class Bird(object):
   
2.     def __init__(self, name):
   
3.         self.name = name
   
4. 
   
5.     def greet(self):
   
6.         print("Hello, I am %s" % self.name)
   
7. 
   
8. 
   
9. class HungryBird(Bird):
   
10.     def __init__(self,name):   #<---
    
11.         super(HungryBird, self).__init__(name)
    
12.         self.hungry = True
    
13. 
    
14.     def eat(self):
    
15.         if self.hungry:
    
16.             print("Aaaah")
    
17.             self.hungry = False
    
18.         else:
    
19.             print("I am full")

复制代码

跳转到最佳答案楼层

凌九霄

super(HungryBird,self).__init__(name)

BngThea

父类初始化需要传入参数，你的子类初始化函数没有传参，肯定报错

ophiway

代码改成：
class Bird(object):
    def __init__(self, name):
        self.name=name
        
    def greet(self):
        print("Hello, I am %s" % self.name)

        
class HungryBird(Bird):
    def __init__(self):
        super(HungryBird, self).__init__(name)
        self.hungry=True
        
    def eat(self):
        if self.hungry:
            print ("Aaaah")
            self.hungry=False
        else:
            print ("I am full")

然后实例化

>>> hb=HungryBird("wuya")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: __init__() takes exactly 1 argument (2 given)

还是报错

凌九霄

1. class Bird(object):
   
2.     def __init__(self, name):
   
3.         self.name = name
   
4. 
   
5.     def greet(self):
   
6.         print("Hello, I am %s" % self.name)
   
7. 
   
8. 
   
9. class HungryBird(Bird):
   
10.     def __init__(self,name):   #<---
    
11.         super(HungryBird, self).__init__(name)
    
12.         self.hungry = True
    
13. 
    
14.     def eat(self):
    
15.         if self.hungry:
    
16.             print("Aaaah")
    
17.             self.hungry = False
    
18.         else:
    
19.             print("I am full")

复制代码

ophiway

搞定了，
class HungryBird(Bird):也要改成：
class HungryBird(Bird，name):

谢谢2楼3楼的同学