property的使用

class People:

    def __init__(self, name):
        # print('init')
        self.__name = name

    @property
    def name(self):
        print('get')
        return self.__name

    @name.setter
    def name(self, val):
        print('set')
        if not isinstance(val, str):
            print('名字必须是字符串类型')
            return
        self.__name = val

    @name.deleter
    def name(self):
        print('delet')

p = People('hhhh')
p.name  # 查询
p.name = 'safdfasfdasd'  # 赋值
del p.name  # 删除