标签:
继承和多态:
继承:
根据已有的类,定义新的类
继承的目的:代码重用,多态
调用父类方法:父类.方法名(self);super(子类名,self).方法名()
多重继承:
class A(object):
def __init__(self):
pass
def sayHi(self):
print ‘in A‘
class B(A):
def sayHi(self):
#A.sayHi(self)
super(B,self).sayHi()
print ‘in B‘
class C(A):
def sayHi(self):
super(C,self).sayHi()
print ‘in C‘
class D(B,C):
pass
菱形继承问题:
经典类:深度优先
新式类:广度优先
标签:
原文地址:http://www.cnblogs.com/TinaGao/p/5762327.html