python中装饰器装饰类中的方法

 1 ####在装饰器中加入self参数即可
 2 def w_f(f):
 3     def wrapper(self, *args, **kwargs):
 4         f(self, *args, **kwargs)
 5         # print(args[1])
 6     return wrapper
 7 class school:
 8     def __init__(self,name):
 9         self.name = name
10     @w_f
11     def create_class(self):
12         self.class_num = ‘class_num‘
13         self.course = ‘course‘
14 
15 class teacher:
16     def __init__(self,name,age):
17         self.name = name
18         self.age = age
19 
20 class course:
21     def __init__(self,name,teacher):
22         self.name = name
23         self.teacher = teacher