Python 私有化操作实例分析

#coding=utf-8
class Person(object):
  def __init__(self, name, age, taste):
    self.name = name
    self._age = age 
    self.__taste = taste
  def showperson(self):
    print(self.name)
    print(self._age)
    print(self.__taste)
  def dowork(self):
    self._work()
    self.__away()
  def _work(self):
    print('my _work')
  def __away(self):
    print('my __away')
class Student(Person):
  def construction(self, name, age, taste):
    self.name = name
    self._age = age 
    self.__taste = taste
  def showstudent(self):
    print(self.name)
    print(self._age)
    print(self.__taste)
  @staticmethod
  def testbug():
    _Bug.showbug()
# 模块内可以访问，当from cur_module import *时，不导入
class _Bug(object):
  @staticmethod
  def showbug():
    print("showbug")
s1 = Student('jack', 25, 'football')
s1.showperson()
print('*'*20)
# 无法访问__taste,导致报错
# s1.showstudent() 
s1.construction('rose', 30, 'basketball')
s1.showperson()
print('*'*20)
s1.showstudent()
print('*'*20)
Student.testbug()