首先,参考http://www.cnblogs.com/itlqs/p/6104672.html和http://www.cnblogs.com/itlqs/p/6079301.html
然后,LocalSocketServer类继承Thread类
把单线程的实现代码
public static void main(String[] args) throws IOException { ServerSocket server=new ServerSocket(5678); while (true) { Socket client=server.accept(); BufferedReader in=new BufferedReader(new InputStreamReader(client.getInputStream())); PrintWriter out=new PrintWriter(client.getOutputStream()); String str=in.readLine(); System.out.println(str); out.println(indexSearch(str)); out.flush(); client.close(); } }