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python类和继承用法 python类和继承用法实例

defias 人气:0
想了解python类和继承用法实例的相关内容吗,defias在本文为您仔细讲解python类和继承用法的相关知识和一些Code实例,欢迎阅读和指正,我们先划重点:python,类,继承,下面大家一起来学习吧。

本文实例讲述了python类和继承定义与用法。分享给大家供大家参考。具体如下:

class Employee:
  pass
lee = Employee()
lee.name = 'leefang'
lee.age = 28

class cAA:
  i = 8
  def __init__(self):
    self.__a = 7
    self.m_a = 1
    self.m_b = 2
  def __Method1(self):
    self.__a += 1
    return self.__a
  def Method2(self, _x):
    print self.__Method1(), _x
class cCC:
  def Method2(self,_x):
    print 'aaaaaaaaa'
class cBB(cCC, cAA):
  def kk(self, _x):
    self.Method2(_x)
  def tt(self):
    print self.m_a
a = cAA()
a.Method2(3)
print a.m_a
b = cBB()
b.Method2(4)
b.kk('ffffff')
b.tt()

类继承如下:

#!/usr/bin/python
class Oneclass:
  def setdata(self,value):
    self.data = value
  def display(self):
    print self.data
class Twoclass(Oneclass):
  def display(self):
    print "current value is %s" % self.data
class Threeclass(Twoclass):
  def __init__(self,value):
    self.data = value
  def __add__(self,other1):
    self.data = self.data + other1
  def __mul__(self,other2):
    self.data = self.data * other2
object1 = Oneclass()
object1.setdata(1234)
object1.display()
object2 = Twoclass()
object2.setdata(1234)
object2.display()
object3 = Threeclass(12)
object3.display()
object3.setdata(1234)
object3.display()
object3 + 22
object3.display()
object3 * 10
object3.display()

希望本文所述对大家的Python程序设计有所帮助。

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