Home Backend Development Python Tutorial A brief discussion of the definition of interfaces, abstract classes and abstract methods in Python

A brief discussion of the definition of interfaces, abstract classes and abstract methods in Python

Nov 19, 2016 am 09:27 AM
python

#_*_ coding:utf-8 _*_
#知识点:接口的定义和抽象类以及抽象方法
 
'''
1、抽象类式啥?
抽象类加上抽象方法就等于接口
 
2、接口的定义
含义1、别人给你暴露一个URL,然后调用这个URL
含义2、定义一个规范,不写具体实现,按照这个规范去实现相关功能,抽象类就是属于这种
'''
 
from abc import  ABCMeta, abstractmethod
 
#定义一个抽象类
class Alert:
    __metaclass__ = ABCMeta
    @abstractmethod
    def Send(self):pass #抽象方法
 
class Foo(Alert): #继承抽象类(或者说继承接口),就得按照抽象类的规范
    def __init__(self):
        print '__init__'
 
    def Send(self): #抽象类里有send方法,所以,在这里也必须要有send方法
        print 'send.Weixin'
 
f = Foo()
f.Send()
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