Big talk involves pattern Python implementation-proxy mode

Proxy pattern: Provides a proxy for other objects to control access to this object

1 #!/usr/bin/env python2 #-*-coding:utf-8-*-3 4 __author__='Andy'5 6 """7 Liar design Mode8 design mode--proxy mode9 Proxy Pattern: Provides a proxy for other objects to control access to this objectTen realization: Dai for Cho Jayi gift to Jiao Jiao One Model: A #公共接口类 - class InterFace: - def request (self): the Pass - #真实类 - class Realsubject (InterFace): - def request (self): + print ' Realsubject request ' - #代理类 Call the inner method of the real class + class Proxysubject (InterFace) A def request (self): at self.real = Realsubject () - self.real.request () - """ -  -  - #Send Gift Interface in classGivegift (object): -     #Send a Doll to     defgivedolls (self): +         Pass -  the     #Send Flowers *     defgiveflowers (self): $         PassPanax Notoginseng  -     #Chocolate Delivery the     defgivechocolate (self): +         Pass A  the  + #The pursued person class - classschoolgirl (object): $     def __init__(self, name): $Self.name =name -  -  the #Suitor Class - classPursuit (givegift):Wuyi     def __init__(self, Girl): theSelf. Girl =Girl -  Wu     defgivedolls (self): -         PrintSelf. Girl.name,'give you a doll .' About  $     defgiveflowers (self): -         PrintSelf. Girl.name,'Send you flowers' -  -     defgivechocolate (self): A         PrintSelf. Girl.name,'give you the chocolates .' +  the  - #proxy class $ classProxy (givegift): the     def __init__(self, Girl): theSelf.proxy =Pursuit (Girl) the  the     #Send a Doll -     defgivedolls (self): in self.proxy.GiveDolls () the  the     #Send Flowers About     defgiveflowers (self): the self.proxy.GiveFlowers () the  the     #Chocolate Delivery +     defgivechocolate (self): - self.proxy.GiveChocolate () the Bayi  the if __name__=='__main__': theJiaojiao = Schoolgirl ('Jiaojiao') -Daili =Proxy (Jiaojiao) - Daili. Givedolls () the Daili. Giveflowers () theDaili. Givechocolate ()

The above class is designed like this:

Proxy proxies refer to the entity pursite of the proxy, providing the same interface as the Pursite to replace the entity

Andy
Source: http://www.cnblogs.com/onepiece-andy/
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Big talk involves pattern Python implementation-proxy mode