1. UML教程
http://www.yiibai.com/html/uml/
2. 【博客】 UML和模式设计系列
http://blog.csdn.net/xingjiarong/article/category/5974783
http://blog.csdn.net/jiuqiyuliang/article/category/1336718
4. 【shan9liang】UML(13)
http://blog.csdn.net/shan9liang/article/category/864877