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装饰器模式
http://blog.csdn.net/wwh578867817/article/details/51480441
https://www.cnblogs.com/zhangtianq/p/6091047.html
https://www.cnblogs.com/jzb-blog/p/6717349.html
标签：targe www. sdn https .com get detail ref .net
原文地址：https://www.cnblogs.com/hunter-zyg/p/9246601.html
