标签：
uml tool
http://cruise.site.uottawa.ca/umple/
http://www.umldesigner.org/download/
http://www.eclipse.org/papyrus/
https://www.modelio.org/downloads/download-modelio.html
desin pattern
原文地址：http://www.cnblogs.com/anjuncc/p/5322277.html
