python对象转字典

             1
            class
             TestDict:

             2     name = "wyb" 3     age = "21" 4 5def__init__(self):
 6         self.gender = ‘male‘ 7 8def keys(self):                         # 获取字典的键 9         s = (‘name‘, ‘age‘, ‘gender‘)
10return s
1112def__getitem__(self, item):            # 获取键对应的值13return getattr(self, item)          # getattr获取对象下某个属性的值141516 o = TestDict()
17print(dict(o))          # 创建字典 -> 先调用对象下的keys方法再用o["xxx"]获取值([]本质上是调用对象下的__getitem__方法)