class Bank(object):

    def__init__(self):

       self.__money = 100

 

    @property

    defmoney(self):

        returnself.__money

        #raise AttributeError("该属性不支持读取操作")

 

    # 如果只提供了读取操作，而不提供设置操作的，这样的属性叫做只读属性

 

 

    @money.setter

    defmoney(self, num):

        ifisinstance(num, int):

           self.__money = num

        else:

           raise Exception("参数类型不正确")

       

 

bank = Bank()

# print(bank.get_money())

# bank.set_money(1000)

 

# print(bank.money)   # bank.get_money()

bank.money = 10000 # bank.set_money(10000)

# print(bank.money)