__dict__:存储成员信息(字典),可以简化代码
class Person:
def __init__(self, obj):
self.name = obj['name']
self.age = obj['age']
self.energy = obj['energy']
self.gender = obj['gender']
self.email = obj['email']
self.phone = obj['phone']
self.country = obj['country']
简化成下面的代码
class Person:
def __init__(self, obj):
self.__dict__.update(obj)
或者也可以这样
class Person:
def __init__(self, obj):
self.__dict__ = obj
__getattr__:在访问对象访问类中不存在的属性时会自动调用
__setattr__:初始化对象成员的时候调用,即对属性赋值的时候将会被调用
参考:
python中的__dict__,__getattr__,__setattr__:
https://blog.csdn.net/xiaolewennofollow/article/details/51455185
python __getattr__,__setattr__方法的理解:
https://blog.csdn.net/chituozha5528/article/details/78355216
Python __dic__巧妙用法:
https://blog.csdn.net/Jones_qing/article/details/48206555