基于JXTA的P2P即时通信和文件共享系统设计，内有代码和类设计-Based on JXTA' s P2P real-time communication and file-sharing system design, with a design code and category

功能简单的p2p文件共享系统。。入门级的代码，对菜鸟入门有很大帮助。-Simple function of p2p file sharing system. . Entry-level code, the rookie entry.