1 # Author : Kelvin
2 # Date : 2019/1/25 15:20
3 class Foo:
4 def __init__(self):
5 self.original_price = 100
6 self.discount = 0.8
7
8 @property
9 def price(self):
10 new_price = self.original_price * self.discount
11 return new_price
12
13 @price.setter
14 def price(self, val):
15 self.original_price = val
16
17 @price.deleter
18 def price(self):
19 del self.original_price
20
21
22 f = Foo()
23 print(f.price)
24 f.price = 200
25 print(f.price)
26 del f.price
27 print(f.__dict__)
28
29 """输出结果：
30 80.0
31 160.0
32 {'discount': 0.8}
33 """
