设计模式(一)——概述

https: www cnblogs com greyzeng p 15775683 html %E8%B4%A3%E4%BB%BB%E9%93%B

 

 

https://www.cnblogs.com/greyzeng/p/15775683.html#%E8%B4%A3%E4%BB%BB%E9%93%BE%E6%A8%A1%E5%BC%8F

 

 

https://processon.com/view/623928ae5653bb071e74ddd1?fromnew=1

 

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