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| class People:
def __init__(self,name,age):
self.name = name
self.age = age
def talk(self):
print('%s is talking '%self.name)
obj = People('hjx',18)
# 判断是否含有属性和方法
print(hasattr(obj,'name'))
print(hasattr(obj,'talk'))
# 拿到对象的属性或方法
# print(getattr(obj,'namexxxx')) 报错因为 没有该属性
# 兜底写法
print(getattr(obj,'namexxxx',None))
# 修改对象的属性
setattr(obj,'sex','man')
print(obj.sex)
# 删除对象的属性
delattr(obj,'age')
print(obj.__dict__)
# 类的属性也是可以获取的
print(getattr(People,'city'))
|