版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/bq_cui/article/details/90173379
# -*- coding: utf-8 -*-
"""
Created on Sun May 12 23:13:39 2019
@author: User
"""
class Human(object):
domain = 'eukarya'
def __init__(self, kingdom='Animalia',phylum='Chordata',
order='Primates',family='Human Being'):
self.kingdom = kingdom
self.phylum=phylum
self.__order = order
self.family = family
def typewrite(self):
print('This is %s typing words!' %self.family)
def add(self, n1, n2):
n = n1 + n2
print(str(n1) + '+' + str(n2) + '+' + str(n))
print('You see! %s can calculate!' %self.family)
@classmethod
def showclassmethodinfo(cls):
print(cls.__name__) #__name__属性,其值为类名
print(dir(cls)) #使用dir列示本类的所有方法
@staticmethod
def showclassmethodinfo():
print(Human.__name__)
class Male(Human):
pass
someoneismale = Male()
print(someoneismale.family)
#父类私有成员是不能继承的,下面这句出错
print(someoneismale.__order)
运行:
Human Being
Traceback (most recent call last):
File "<ipython-input-52-5f8db62bf0fb>", line 1, in <module>
runfile('D:/0python/2.1.3.4继承_0512.py', wdir='D:/0python')
File "C:\ProgramData\Anaconda3\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 786, in runfile
execfile(filename, namespace)
File "C:\ProgramData\Anaconda3\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 110, in execfile
exec(compile(f.read(), filename, 'exec'), namespace)
File "D:/0python/2.1.3.4继承_0512.py", line 40, in <module>
print(someoneismale.__order)
AttributeError: 'Male' object has no attribute '__order'