标签：相关 https htm org log com www. targe class
UML信息相关介绍
http://www.uml.org.cn/oobject/OObject-bk.asp
https://www.cnblogs.com/lcw/p/4073712.html
UML建模
原文地址：https://www.cnblogs.com/baidaye/p/8582337.html
