利用JXTA的P2P技术，进行Socket发送和Socket接收的程序，JXTA是一种比较简单易用的P2P技术，Java中有main函数，放到IDE编译后运行，如果提示缺少库引用，可加载JXTA库即可。-By using the technology of P2P JXTA, Socket Socket sending and receiving procedures, JXTA is a relatively simple and easy to use P2P technology, main Java function, in IDE compiled to run, if prompted the lack of library reference, can be loaded with a JXTA library.