python 描述器

import hashlib


class Student():

    s_name = ""
    _s_password = ""

    @property
    def s_password(self):

        print("获取")

        raise Exception("密码不可获取")

        # return self._s_password

    @s_password.setter
    def s_password(self, password):

        print("设置")

        self._s_password = hashlib.new("md5", password.encode("utf-8")).hexdigest()
        #为函数s_password设置东西 当调用s_password时先进行这个函数

    def check_password(self, password):
        return self._s_password == hashlib.new("md5", password.encode("utf-8")).hexdigest()

    # def __init__(self, s_name, s_password):
    #     pass


if __name__ == '__main__':
    s = Student()

    s.s_name = "Rock"
    s.s_password = "1204"

    # print(s.s_name)
    # print(s.s_password)

    if s.check_password("1024"):
        print("密码正确")
    else:
        print("密码错误")