python 同一个函数被多个装饰器调用

kidylong

于 2021-03-06 17:29:54 发布

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文章标签：装饰器 wrapper 函数包装 Python 多重装饰

本文链接：https://blog.youkuaiyun.com/kidylong/article/details/114448627

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#定义2装饰器
def wrapper1(fn):
    def inner(*args,**kwargs):
        print("wrapper1 befor")
        fn()
        print("wrapper1 after")
 
 def wrapper2(fn):
    def inner(*args,**kwargs):
        print("wrapper2 befor")
        fn()
        print("wrapper2 after")
#定义函数
def target()
    print("this is target")

#调用函数
@wrapper2
@wrapper1
target()


#结果
"""
wrapper2 befor
wrapper1 befor
this is target
wrapper1 after
wrapper2 after

"""