http://japi.javaeye.com/blog/285800
http://mrzhangtufu.javaeye.com/blog/241341
http://blog.exis.com/colin/archives/2005/07/18/spring-12s-java-5-based-transaction-annotations/
http://topic.csdn.net/u/20080612/18/69d920fe-20d6-404b-9c3b-1c2656be0f12.html
http://www.21java.com/html/19/t-1719.html
http://justry28.javaeye.com/blog/264241