py装饰器

import time
import threading


def outer(func):
    def inner(*args, **kwargs):
        start_threading = time.time()
        time.sleep(2)
        print('\n方法(%s), 线程(%s), 用时(%d秒)' % (func.__name__, threading.current_thread().name, time.time() - start_threading))
        func(*args, **kwargs)

    return inner


@outer
def say(name, age, height):
    print("name = %s, age = %d, height = %d" % (name, age, height))


say("wws", 25, 22)
say("lbc", 25, 22)
say("yyy", 25, 22)

方法(say), 一共用时: 5.004613876342773秒
name = wws, age = 25, height = 22