python 3.x函数装饰器

函数对象在被调用时，函数装饰器将会起作用：

from time import ctime,sleepdef tsfunc(func):def wrappedFunc():print('[%s] %s() called'% (ctime(),func.__name__))return func()return wrappedFunc@tsfunc
def foo():passfoo()
sleep(4)for i in range(2):sleep(1)foo()

运行结果：

[Thu Feb 27 11:14:04 2020] foo() called
[Thu Feb 27 11:14:09 2020] foo() called
[Thu Feb 27 11:14:10 2020] foo() called