基于策略的节点间通信流程，策略决策点和策略执行点交互一条策略的报文交互过程；包括单层的和两层的两种策略通信流程，以及使用MYSQL作为数据库的两个数据库里的策略存储；-Including single-and two-story two strategies of communication processes, as well as the strategies used MYSQL database where two databases an interactive process pa