python --多個疊加裝飾器

def deco1(func1):
    def wrapper1(*args,**kwargs):
        print("運行deco1_wrapper1")
        res1=func1(*args,**kwargs)
        return res1
    return wrapper1

def deco2(func2):
    def wrapper2(*args,**kwargs):
        print("運行deco2_wrapper2")
        res2=func2(*args,**kwargs)
        return res2
    return wrapper2

def deco3(x):
    def outter3(func3):
        def wrapper3(*args,**kwargs):
            print("運行deco3_wrapper3")
            res3=func3(*args,**kwargs)
            return res3
        return wrapper3
    return outter3
@deco1 #index=deco1(wrapper2的內存地址) ===> index=wrapper1 的內存地址
@deco2 #index=deco2(wrapper3的內存地址) ===> index=wrapper2 的內存地址
@deco3(1)   #===>@outter3===> index=outter3(index) ===>index=wrapper3 的內存地址
def index(x,y):
    print("from index %s,%s" %(x,y))
index(1,2)

'''執行順序是自上而下的，即wrapper1 --> wrapper2--> wrapper3'''

/usr/local/bin/python3.8 /Users/futantan/PycharmProjects/S14/函數的學習/迭代器.py
運行deco1_wrapper1
運行deco2_wrapper2
運行deco3_wrapper3
from index 1,2

Process finished with exit code 0