发布时间:2019-09-08 09:13:06编辑:auto阅读(1855)
class Computer:
    """电脑"""
    # __slots__ = ('_name', 'mem', 'cpu')
    def __init__(self, name, mem, cpu):
        self._name = name
        self.mem = mem
        self.cpu = cpu
    @property
    def name(self): # 只读, getter方法
        return self._name
    def play(self, game='qq游戏'):
        print('play', game)
pc2 = Computer('admin', '8G', 8)
pc2.name   # name()函数变成属性了,
'admin'
pc2.name = 1  # 不能修改属性
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-33-91d30e8bb3c6> in <module>()
----> 1 pc2.name = 1
AttributeError: can't set attribute
pc2.name()  # 加了@property,不能调用name()函数了
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-34-e97dcaa201d9> in <module>()
----> 1 pc2.name()
TypeError: 'str' object is not callable
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