python开发基础(五)面向对象--静态属性
# 静态属性
class Room:
tag = 100
def __init__(self, name, owner, length, width, high):
self.name = name
self.owner = owner
self.length = length
self.width = width
self.high = high
@property
def cal_area(self):
msg1 = '%s 住的%s 的的面积为: %s ' % (self.owner, self.name, self.length * self.width)
area = self.length * self.width
return area
@property
def cal_volume(self):
msg1 = '%s 住的%s 的的体积为: %s ' % (self.owner, self.name, self.length * self.width * self.high)
volume = self.length * self.width * self.high
return volume
def test(self):
print('from test', self.name)
@classmethod # 类方法
def tell_info(cls, num):
print(cls)
print(cls.tag, num)
pass
r1 = Room('room', 'alex', 100, 100, 1000)
r2 = Room('room', 'jack', 1, 1, 1)
# print('%s住的%s的的面积为:%s ' % (r1.owner, r1.name, r1.length * r1.width))
# print('%s住的%s的的面积为:%s ' % (r2.owner, r2.name, r2.length * r2.width))
# 面积
"""
print(r1.cal_area)
print(r2.cal_area)
"""
# 体积
"""
print(r1.cal_volume)
print(r2.cal_volume)
"""
# print(Room.tag)
Room.tell_info(10)
本文来自博客园,作者:关于段主任的一切,转载请注明原文链接:https://www.cnblogs.com/fairylandfuture/p/15106569.html