class Person(object):

    @property

    def get_name(self):

        print('我叫xxx')

def main():

    person = Person()

    person.get_name

if __name__ == '__main__':

    main()

class Goods(object):

    @property

    def price(self):

        print('@property')

    @price.setter

    def price(self,value):

        print('@price.setter:'+str(value))

    @price.deleter

    def price(self):

        print('@price.deleter')

obj = Goods()

obj.price = 50

obj.price

del obj.price

class Goods(object):

    def __init__(self):

        #原价

        self.original_price = 100

        #折扣

        self.discount = 0.8

    @property

    def price(self):

        #实际价格=原价*折扣

        new_price = self.original_price*self.discount

        return new_price

    @price.setter

    def price(self,value):

        self.original_price = value

    @price.deleter

    def price(self):

        del self.original_price

obj = Goods()

obj.price

obj.price = 200

del obj.price

class Foo(object):

    def get_name(self):

        print('get_name')

        return 'laowang'

    def set_name(self, value):

        '''必须两个参数'''

        print('set_name')

        return 'set value' + value

    def del_name(self):

        print('del_name')

        return 'laowang'

    NAME = property(get_name, set_name, del_name, 'description.')

obj = Foo()

obj.NAME    #调用get方法

obj.NAME = 'alex'   #调用set方法

desc = Foo.NAME.__doc__     #调用第四个描述

print(desc)

del obj.NAME    #调用第三个删除方法

class Person(object):

    def __init__(self, age):

        self.__age = age

    def set_age(self, value):

        self.__age = value

    def get_age(self):

        return self.__age

    AGE = property(get_age, set_age)

person = Person(15)

person.AGE = 20

print(str(person.AGE))