Python_类的继承

1.语法：class Man(People):　　#People 为父类

2.重构父类函数：

# Author:soap

# class People:                   #经典类
class People（object）:            #新式类
    def __init__(self,name,age):
        self.name = name
        self.age = age

class Man(People):
    def __init__(self,name,age,money):
        People.__init__(self,name,age)      #经典类
        #super(Man,self).__init__(name,age) #新式类
        self.money = money

3.多继承：

# Author:soap

class People:
    def __init__(self,name,age):
        self.name = name
        self.age = age

class Relation(object):
    def make_friends(self,obj):
        print('%s is making friends with %s' % (self.name,obj.name))

class Man(People,Relation):
    def __init__(self,name,age,money):
        People.__init__(self,name,age)
        #super(Man,self).__init__(name,age)
        self.money = money

man_1 = Man('soap',24,100)
man_2 = Man('george',24,100)

man_1.make_friends(man_2)

 

1）继承顺序从左到右，构造函数优先级从左到右。　

2）从Python3开始，所有继承都为广度优先。在Python2中，经典类采用深度优先，新式类采用广度优先