浅谈python 中类属性共享的问题

class Dog(object): 
 
  name = 'dog' 
 
  def init(self): 
 
    self.age = 18
 
d1 = Dog()
 
d2 = Dog()

d1.name # 输出 dogd2.name # 输出 dogd1.name = 'abc'
d1.name # 输出 abcd2.name # 输出 dogDog.name # 输出 dog

Dog.name = 'new name'

dog1.name = 'new name'

> class Dog():
...  name = "dog"
... 
> d1 = Dog()
> d1.name
'dog'
> d2 = Dog()
> d2.name
'dog'
> Dog.name
'dog'
> Dog.name = "a"
> d.name
Traceback (most recent call last):
 File "<stdin>", line 1, in <module>
NameError: name 'd' is not defined
> d1.name
'a'
> d2.name
'a'
>