自己写的，望多指教。importjava.io.*;importjava.net.*;publicclasslinkimplementsRunnable{publicServerSocketserversocket=null;//服务器套接字对象publicSocketsocket=null;//客户端套接字publicPrintWriterout=null;//输出流对象publicBufferedReaderin=null;//输入流对象publicDataOutputStreamtsf=null;//输出流对象publicDataInputStreamrcv=null;//输入流对象