装饰器

__author__ = "bubble"

import time
def timer(name):
    print(name)
    def fuck(func):
        def get_time(*agrs, **kwargs):
            start_time = time.time()
            func(*agrs, **kwargs)
            end_time = time.time()
            print("耗时%s" % (end_time - start_time))
        return get_time
    return fuck

@timer(name="qixuelong") #say_hello = timer()
def say_hello(name="111", age=7):
    time.sleep(3)
    print("名字%s年龄%d" % (name, age))

say_hello()

装饰器

原文：http://www.cnblogs.com/cancelbubble/p/6913169.html