python-@property、@setter

@property

• 把方法变成属性使用
• 对要读取的数据进行预处理

@setter

• 对要存入的数据进行预处理
• 设置可写属性

class User():    def __init__(self, name, age):        self._name = name        self._age = age    @property    def name(self):        return self._name    @property    def age(self):        return self._age    @name.setter    def name(self, name):        self._name = nameif __name__ == '__main__':    user = User(name="lisa", age=11)    print(user.name)    user.name = 'lili'    print(user.name)    print(user.age)    user.age = 12

lisaliliTraceback (most recent call last):11  File "E:/ProgramWorkSpace/PythonWS/summary/_property.py", line 30, in     user.age = 12AttributeError: can't set attributeProcess finished with exit code 1