[网络协议]Java TCP通信

Socket发送数据

  //端口和IP  套接字  两台机器的通信的端点
  Socket s1 = new Socket("127.0.0.1",10001);
    //数据来自键盘录入使用 BufferedReader
  BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    //封装输出对象
  BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(s1.getOutputStream()));
  String line;
  while ((line = br.readLine()) != null){
      bw.write(line);
      bw.newLine();
      bw.flush();
  }
  s1.close();
  System.out.println(br.lines());

Socket接收数据

    //接收端口  接收前IP或者端口要一致，不同的Wifi电脑IP会变化
  ServerSocket ss = new ServerSocket(10001);
   //转成Socket可以使用getInputStream
  Socket s = ss.accept();
    //获取
  BufferedReader br = new BufferedReader(new InputStreamReader(s.getInputStream()));
  String line;
  while((line=br.readLine())!=null){
      System.out.println(line);
  }
  ss.close();