Socket编程基础之服务端与客户端简单通信-蒲公英云

Socket编程基础之服务端与客户端简单通信

灰太狼 2022-08-09 02:11 331阅读 0赞

服务端代码如下：

/**
 * 
 */
package com.baoxiu123.net;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;
/**
 * @author ping
 * @createtime 2015-10-4下午11:49:15
 * @function 服务端
 */
public class MySocketServer {
    private int serverPort;
    private ServerSocket serverSocket;
    private Socket socket;
    public static void main(String[] args) {
        MySocketServer socketServer = new MySocketServer();
        socketServer.start();
    }
    private void start() {
        serverPort = 9898;
        try {
            serverSocket = new ServerSocket(serverPort);
            System.out.println("server started...");
            while (true) {
                socket = serverSocket.accept();
                manageConection(socket);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                socket.close();
                serverSocket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    private void manageConection(Socket socket) {
        new Thread(new Runnable() {
            private BufferedReader reader;
            private BufferedWriter writer;
            @Override
            public void run() {
                System.out.println("client :" + socket.hashCode() + "  connedted" + " remote port:" + socket.getPort());
                try {
                    reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
                    writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
                    String receivedMsg;
                    while ((receivedMsg = reader.readLine()) != null) {
                        System.out.println("client " + socket.hashCode() + "   :" + receivedMsg);
                        writer.write("server reply:" + receivedMsg + "\n");
                        writer.flush();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    try {
                        reader.close();
                        writer.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        }).start();
    }
}

客户端代码如下：

/**
 * 
 */
package com.test.net;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.Socket;
/**
 * @author ping
 * @createtime 2015-10-4下午11:49:15
 * @function 客户端
 */
public class MySocketClient {
    private String serverIp = "127.0.0.1";
    private int serverPort = 9898;
    private Socket socket;
    private BufferedWriter writer;
    private BufferedReader inputReader;
    private BufferedReader reader;
    public static void main(String[] args) {
        MySocketClient socketClient = new MySocketClient();
        socketClient.start();
    }
    private void start() {
        try {
            socket = new Socket(serverIp, serverPort);
            System.out
                    .println("connected at " + serverIp + "  server  port"
                            + socket.getPort() + " local port:"
                            + socket.getLocalPort());
            reader = new BufferedReader(new InputStreamReader(
                    socket.getInputStream()));
            writer = new BufferedWriter(new OutputStreamWriter(
                    socket.getOutputStream()));
            startServerReplyListener(reader);
            inputReader = new BufferedReader(new InputStreamReader(System.in));
            String inputString;
            while (!(inputString = inputReader.readLine()).equals("bye")) {
                writer.write(inputString + "\n");
                writer.flush();
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                socket.close();
                writer.close();
                reader.close();
                inputReader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    private void startServerReplyListener(final BufferedReader reader) {
        new Thread(new Runnable() {
            public void run() {
                String replyStr;
                try {
                    while ((replyStr = reader.readLine()) != null) {
                        System.out.println(replyStr);
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }
}