python类和继承用法实例

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()

#!/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()