import time def timer(func): def warper(*args, **kwargs): #args:位置参数 [] kwargs:关键字参数 {} (*args, **kwargs)统称为可变长参数 start_time = time.time() res = func(*args, **kwargs) print('args === %s kwargs ======= %s' %(args, kwargs)) end_time = time.time() print('函数的运行时间=========%s' %(end_time - start_time)) return res #test函数的返回值 return warper # @timer # 无参函数 # def test(): # time.sleep(3) # print('函数执行完毕') # return 'test 函数的返回值' # # # res = test() # print(res) @timer def test(name, age): time.sleep(3) print('姓名是 [%s] 年龄是 [%s]' %(name, age)) @timer def test1(name, age, gender): time.sleep(3) print('姓名是 [%s] 年龄是 [%s] 性别是 [%s]' % (name, age, gender)) # res = test('alex', '18') res = test('alex', age='18') print(res) # res1 = test1('alex', '18', 'male') res1 = test1('alex', age='18', gender='male') print(res1)
Python学习笔记------带返回值的装饰器
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转载自blog.csdn.net/weixin_39180334/article/details/81487615
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