class ClassMethod:

    def __init__(self, func):

        self.func = func

    def __get__(self, instance, owner):

        """

        类来调用,instance为None,owner为类本身。

        实例来调用,instance为实例,owner为类本身。

        :param instance:

        :param owner:

        :return:

        """

        def feedback(*args, **kwargs):

            return self.func(owner, *args, **kwargs)

        return feedback

class People:

    name = 'edward'

    @ClassMethod

    def say_hi(cls, msg):

        print(f'你好{cls.name},{msg}')

People.say_hi('你好帅')

class StaticMethod:

    def __init__(self, func):

        self.func = func

    def __get__(self, instance, owner):

        def feedback(*args, **kwargs):

            return self.func(*args, **kwargs)

        return feedback

class People:

    name = 'edward'

    @StaticMethod

    def say_hi(x, y, z):  # say_hi = StaticMethod(say_hi)

        print('------>', x, y, z)

People.say_hi(1, 2, 3)