Python.装饰器

import time

def decorator(func):

def wrapper(*args,**kw):

print(time.time())

func(*args,**kw)

return wrapper

@decorator

def f1(func_name):

print("this is a function "+func_name)

@decorator

def f2(func_name,func_name2):

print("this is a function "+func_name)

print("this is a function "+func_name2)

@decorator

def f3(func_name,func_name2, **kw):

print("this is a function "+func_name)

print("this is a function "+func_name2)

print(kw)

f1('test func')

f2('test func','test func2')

f3('test func','test func2',a=1,b=2,c='123')

1512463591.4760053
this is a function test func
1512463591.4770052
this is a function test func
this is a function test func2
1512463591.4770052
this is a function test func
this is a function test func2
{'a': 1, 'b': 2, 'c': '123'}