class Screen(object):
@property
def width(self):
return self._width
@width.setter
def width(self,value):
if not isinstance(value,int):
raise ValueError('value must be an integer!')
self._width = value
@property
def height(self):
return self._height
@height.setter
def height(self,value):
if not isinstance(value,int):
raise ValueError('value must be an integer!')
self._height = value
@property
def resolution(self):
return self._width*self._height
人生如梦君不知
class Screen(object): @property def width(self): return self._width @width.setter def width(self,value): if not isinstance(value,int): raise ValueError('value must be an integer!') self._width = value @property def height(self): return self._height @height.setter def height(self,value): if not isinstance(value,int): raise ValueError('value must be an integer!') self._height = value @property def resolution(self): return self._width*self._height