#带参数的装饰器 #500个函数 # import time # FLAGE = False # def timmer_out(flag): # def timmer(func): # def inner(*args,**kwargs): # if flag: # start = time.time() # ret = func(*args,**kwargs) # end = time.time() # print(end-start) # return ret # else: # ret = func(*args, **kwargs) # return ret # return inner # return timmer # # timmer = timmer_out(FLAGE) # @timmer_out(FLAGE) #wahaha = timmer(wahaha) # def wahaha(): # time.sleep(0.1) # print(‘wahahahahahaha‘) # # @timmer_out(FLAGE) # def erguotou(): # time.sleep(0.1) # print(‘erguotoutoutou‘) # wahaha() # erguotou() #多个装饰器装饰一个函数 def wrapper1(func): def inner1(): print(‘wrapper1 ,before func‘) ret = func() print(‘wrapper1 ,after func‘) return ret return inner1 def wrapper2(func): def inner2(): print(‘wrapper2 ,before func‘) ret = func() print(‘wrapper2 ,after func‘) return ret return inner2 def wrapper3(func): def inner3(): print(‘wrapper3 ,before func‘) ret = func() print(‘wrapper3 ,after func‘) return ret return inner3 @wrapper3 @wrapper2 @wrapper1 def f(): print(‘in f‘) return ‘哈哈哈‘ print(f()) #记录用户的登录情况 #计算这个函数的执行时间
原文地址:https://www.cnblogs.com/xiao-zhi/p/9896251.html
时间: 2024-10-31 15:50:39