淘宝沈询博客：http://blog.sina.com.cn/s/blog_693f08470102vibt.html
mycat配置：http://www.songwie.com/articlelist/55
ax事务讲解：http://blog.csdn.net/hengyunabc/article/details/19433947
Spring + mybatis 配置http://blog.csdn.net/fhx007/article/details/12530735
jotm atomikos