3、多个装饰器装饰一个函数

# 3、多个装饰器装饰一个函数

def wrapper1(f):
    def inner1():
        print('wrapper1, before func')
        ret = f()
        print('wrapper1, after func')
        return ret
    return inner1

def wrapper2(f):
    def inner2():
        print('wrapper2, before func')
        ret = f()
        print('wrapper2, after func')
        return ret
    return inner2


@wrapper2  # f = wrapper2(f) 里面的f新变量 = inner1 外面的f最新变量 = inner2
@wrapper1  # f = wrapper1(f) 里面的f函数名  外面的f新变量=inner1
def f():
    print('in f')
f()


# '''
# 结果：
# wrapper2 ,before func
# wrapper1 ,before func
# in f
# wrapper1 ,after func
# wrapper2 ,after func
# '''