property

hacklinshell · hacklinshell · commit ad00a75b090b · 2019-02-18T20:56:53.000+08:00
diff --git a/面向对象高级编程/Mult_inherit.py b/面向对象高级编程/Mult_inherit.py
@@ -0,0 +1,28 @@
+#Python允许使用多重继承  采用MixIn就是一种常见的设计
+
+
+class Animal(object):
+    pass
+
+
+#大类
+class Manmal(Animal):
+    pass
+
+
+class Bird(Animal):
+    pass
+
+
+#功能
+class RunnableMixIn(object):
+    pass
+
+
+class CarnivorousMixIn(object):
+    pass
+
+
+#MixIn 设计方式
+class Dog(Manmal, RunnableMixIn, CarnivorousMixIn):
+    pass
diff --git a/面向对象高级编程/property.py b/面向对象高级编程/property.py
@@ -0,0 +1,22 @@
+#用装饰器函数把 get/set 方法“装饰”成属性调用：
+
+
+class Student(object):
+    def __init__(self, name, score):
+        self.name = name
+        self.__score = score
+
+    @property
+    def score(self):
+        return self.__score
+
+    @score.setter                       #setter 是property的装饰后的副产品
+    def score(self, score):
+        if score < 0 or score > 100:
+            raise ValueError('invaild score')
+        self.__score = score
+
+
+s = Student('coa', 90)
+s.score = 80
+print(s.score)
