http://www.cnblogs.com/oumyye/p/4480196.html
http://blog.csdn.net/hjm4702192/article/details/17277669
脏读、幻读和不可重复读 + 事务隔离级别
http://uule.iteye.com/blog/1109647
spring aop的配置
原文:http://www.cnblogs.com/mabaishui/p/5192990.html