我对Python和编程还不太熟悉,我试着自学一些面向对象的Python,在lattest项目中出现了以下错误:
AttributeError: type object 'Goblin' has no attribute 'color'
我有一个文件来创建“Monster”类和一个从Monster类扩展而来的“Goblin”子类。 当我导入两个类时,控制台不会返回错误
>>>from monster import Goblin
>>>
即使创建实例也没有问题:
>>>Azog = Goblin
>>>
但是当我调用Goblin类的一个属性时,控制台在上面返回错误,我不知道为什么。 下面是完整的代码:
import random
COLORS = ['yellow','red','blue','green']
class Monster:
min_hit_points = 1
max_hit_points = 1
min_experience = 1
max_experience = 1
weapon = 'sword'
sound = 'roar'
def __init__(self, **kwargs):
self.hit_points = random.randint(self.min_hitpoints, self.max_hit_points)
self.experience = random.randint(self.min_experience, self.max_experience)
self.color = random.choice(COLORS)
for key,value in kwargs.items():
setattr(self, key, value)
def battlecry(self):
return self.sound.upper()
class Goblin(Monster):
max_hit_points = 3
max_experience = 2
sound = 'squiek'
您不是在创建实例,而是引用类
Goblin
本身,如错误所示:将行改为
Azog = Goblin()
当您分配
Azog = Goblin
时,您不是在实例化一个Goblin。改为尝试Azog = Goblin()
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