类的私有属性及私方法

# -*- coding: utf-8 -*-
#python 27
#xiaodeng
#http://blog.csdn.net/wklken/article/details/6313265

#类的私有属性及私方法
class MyClass():

def __init__(self,name,age):

#定义私有属性name
self.__name=name
self.age=age

def printName(self):
return self.__name

#私有方法
def __printAge(self):
return self.age

if __name__=='__main__':
print
b=MyClass('xiaodeng',28)
print b.printName()
print b.age#28
#print b.__name#弹出错误，提示为实例(instance)没有该属性(attribute),由于name为私有，所以无法访问其属性
print b.__printAge()#错误和b.__name一致

'''
xiaodeng
28

Traceback (most recent call last):
File "C:\Users\Administrator\Desktop\te.py", line 22, in <module>
print b.__name#
AttributeError: MyClass instance has no attribute '__name'
'''