后台推送给前台数据。前台类十于ajax。展示数据
http://blog.csdn.net/lhjtianji/article/details/6928654
2.消息中涉及主题和订阅
http://cuisuqiang.iteye.com/blog/1693775
3.java消息队列使用场景
http://blog.163.com/sir_876/blog/static/11705223201332444647261/
4.java消息机制
http://blog.csdn.net/ocean1010/article/details/7881773