1 # 反射:
2 # hasattr() 判断一个对象里是否有对应的 name_str 字符串的方法
3 # getattr() 根据字符串获得对象里的对应的方法的内存地址 后面+()可调用
4 # setattr(obj, 'name', value) 通过字符串设置一个值
5 # delattr(obj, "str")
6 def eat(self):
7 print("eat")
8
9 class Dog(object):
10 def __init__(self, name, age):
11 self.name = name
12 self.age = age
13
14 def talk(self, who):
15 print("%s is talking wangwangwnag with %s!"% (self.name, who))
16
17 d = Dog("L", 11)
18 action = input("action:>>").strip()
19
20 if hasattr(d, action):
21 func = getattr(d, action)
22 func("Jy")
23 print(d.name)
24 delattr(d, 'name')
25 else:
26 setattr(d, action, eat)
27 func = getattr(d, action)
28 func(d)
29 print(d.name)
