try { ServerSocket ss = new ServerSocket(8989); Socket s = ss.accept(); OutputStream o = s.getOutputStream(); PrintWriter p = new PrintWriter(o); p.write("中国科技大学"); p.close(); o.close(); s.close(); ss.close(); } catch (Exception e) { e.printStackTrace(); }
侦听并接受此套接字的连接
中间就是建立连接后的通信内容,实例为输出一段内容
InetAddress add = InetAddress.getByName("127.0.0.1"); Socket sc = new Socket(add,8989); InputStream in = sc.getInputStream(); BufferedReader reader = new BufferedReader(new InputStreamReader(in)); System.out.println("^_^:"+reader.readLine()); sc.close();
以上是简单的IO通信,下面演示一个网络通信中传文件的实例
InputStream in = new FileInputStream( new File("D:\\workspace\\java\\src\\demo"+File.separator+"hello.txt")); byte buffer[] = new byte[1024]; int len = 0; OutputStream out = s.getOutputStream(); while((len=in.read())!=-1) { out.write(buffer,0,len); }
InputStream in = sc.getInputStream(); OutputStream out = new FileOutputStream("d:\\2.txt"); byte buffer[] = new byte[1024]; int len = 0; while((len=in.read())!=-1) { out.write(buffer,0,len); }