叠加多个装饰器

def deco1(func1): # func1 = wrapper2的内存地址
   def wrapper1(*args,**kwargs):
        print('正在运行===>deco1.wrapper1')
        res1=func1(*args,**kwargs)
        return res1
    return wrapper1
​
def deco2(func2): # func2 = wrapper3的内存地址
   def wrapper2(*args,**kwargs):
        print('正在运行===>deco2.wrapper2')
        res2=func2(*args,**kwargs)
        return res2
    return wrapper2
​
def deco3(x):
    def outter3(func3): # func3=被装饰对象index函数的内存地址
       def wrapper3(*args,**kwargs):
            print('正在运行===>deco3.outter3.wrapper3')
            res3=func3(*args,**kwargs)
            return res3
        return wrapper3
    return outter3
​
​
# 加载顺序自下而上(了解)
@deco1      # index=deco1(wrapper2的内存地址)       ===> index=wrapper1的内存地址
@deco2      # index=deco2(wrapper3的内存地址)       ===> index=wrapper2的内存地址
@deco3(111) # ===>@outter3===> index=outter3(index) ===> index=wrapper3的内存地址
def index(x,y):
    print('from index %s:%s' %(x,y))
​
# 执行顺序自上而下的，即wraper1-》wrapper2-》wrapper3
index(1,2) # wrapper1(1,2)

标签：wrapper3,index,叠加,return,多个,wrapper2,内存地址,装饰,def
来源： https://www.cnblogs.com/bailongcaptain/p/12567250.html