>[success] # 为类方法和静态方法加装饰器 ~~~ 1.给类或静态方法提供装饰器是很简单的，不过要确保装饰器在 @classmethod 或 @staticmethod ~~~ >[danger] ##### 代码 ~~~ import time from functools import wraps # A simple decorator def timethis(func): @wraps(func) def wrapper(*args, **kwargs): start = time.time() r = func(*args, **kwargs) end = time.time() print(end-start) return r return wrapper # Class illustrating application of the decorator to different kinds of methods class Spam: @timethis def instance_method(self, n): print(self, n) while n > 0: n -= 1 @classmethod @timethis def class_method(cls, n): print(cls, n) while n > 0: n -= 1 @staticmethod @timethis def static_method(n): print(n) while n > 0: n -= 1 ~~~