http://blog.csdn.net/clj198606061111/article/details/38236679
点对点的同步消息模型
http://blog.csdn.net/jiuqiyuliang/article/details/48608237
http://blog.csdn.net/clj198606061111/article/details/38236679
点对点的同步消息模型
http://blog.csdn.net/jiuqiyuliang/article/details/48608237