在Java Socket使用TCP的基礎上，通過ObjectInputStream和ObjectOutputStream來讀寫對象。

//傳輸的對象，需要序列化

package socket;

import java.io.Serializable;

public class MsgTO implements Serializable

{

private static final long serialVersionUID = 1L;

private String msg;

private int status;

private String response;

public String getMsg() {

return msg;

}

public void setMsg(String msg) {

this.msg = msg;

}

public int getStatus() {

return status;

}

public void setStatus(int status) {

this.status = status;

}

public String getResponse() {

return response;

}

public void setResponse(String response) {

this.response = response;

}

}

//客戶端

public class SocketClient

{

private final Logger logger = LoggerFactory.getLogger(getClass());

public static void main(String args[]) throws Exception

{

Socket socket = new Socket("192.168.100.236", 2221);

System.out.println("socket created");

//send request

OutputStream os = socket.getOutputStream();

ObjectOutputStream oos = new ObjectOutputStream(os);

System.out.println("send hello");

MsgTO obj = new MsgTO();

obj.setMsg("Hello");

oos.writeObject(obj);;

oos.flush();

socket.shutdownOutput();

//receive response

InputStream is = socket.getInputStream();

ObjectInputStream ois = new ObjectInputStream(is);

obj = (MsgTO) ois.readObject();

System.out.println("Received:"+obj);

if(obj != null)

{

System.out.println("status="+obj.getStatus());

System.out.println("response="+obj.getResponse());

}

socket.shutdownInput();

//close resource

oos.close();

os.close();

socket.close();

}

}

//服務端

public class SocketServer

{

public static void main(String args[]) throws Exception

{

ServerSocket serverSocket = new ServerSocket(2221);

System.out.println("server socket created");

//for multiple clients

while (true) //循環監聽，等待客戶端的連接

{

System.out.println("***");

Socket socket = serverSocket.accept();

ServerHandler serverHandler = new ServerHandler(socket);

serverHandler.setPriority(4);//設置線程的優先級來保證運行速度， 范圍為[1,10]， 默認為5.

serverHandler.start();

}

}

}

class ServerHandler extends Thread

{

private final Logger logger = LoggerFactory.getLogger(getClass());

//與本線程相關的Socket

private Socket socket = null;

public ServerHandler(Socket socket)

{

this.socket = socket;

}

//線程執行的操作

//for object

public void run()

{

InputStream is = null;

ObjectInputStream ois = null;

OutputStream os = null;

ObjectOutputStream oos = null;

try

{

//receives request

is = socket.getInputStream();

ois = new ObjectInputStream(is);

MsgTO obj = (MsgTO) ois.readObject();

logger.debug("received:" + obj);

if(obj!=null)

{

logger.debug("status=" + obj.getStatus());

logger.debug("msg=" + obj.getMsg());

}

socket.shutdownInput();

//deal is still to do

//send response

os = socket.getOutputStream();

oos = new ObjectOutputStream(os);

logger.debug("send response");

if(obj != null)

{

obj.setStatus(0);

obj.setResponse("123");

oos.writeObject(obj);

}

oos.flush();

socket.shutdownOutput();

} catch (Exception ex)

{

logger.error(ex.getMessage());

ex.printStackTrace(System.out);

} finally

{

try //close resource

{

oos.close();

ois.close();

is.close();

socket.close();

} catch (Exception ex)

{

ex.printStackTrace(System.out);

}

}

}

}

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