Socket多次通信多个客户端

服务端：

package test;

import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;

/**
 * @author Cris
 * @version 1.0
 * @className TestServer
 * @description <功能描述>
 * @date 2020/1/24 14:53
 */
public class TestServerMore {
    public static void main(String[] args) throws IOException {
        //开启服务器
        ServerSocket server = new ServerSocket(9980);
        boolean flag = true;
        while(flag){
            //接收客户端的连接
            Socket socket = server.accept();
            //为每一个客户端创建单独的线程
            new Thread(() -> {
                try {
                    //创建输入输出流流
                    InputStream is = socket.getInputStream();
                    OutputStream os = socket.getOutputStream();
                    //字节字符转换流
                    InputStreamReader isr = new InputStreamReader(is);
                    PrintStream ps = new PrintStream(os);
                    //创建缓冲流，利用其中的readLine()方法
                    BufferedReader br = new BufferedReader(isr);
                    handle(ps, br);
                } catch (IOException e) {
                    e.printStackTrace();
                }finally {
                    try {
                        //断开连接
                        if(socket!=null) {
                            socket.close();
                        }
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }).start();
        }
        server.close();
    }

    static void handle(PrintStream ps, BufferedReader br) throws IOException {
        String word;
        while((word = br.readLine()) != null){
            //接收到"bye"意味着停止
            if("bye".equals(word)){
                break;
            }
            //对数据进行反转处理
            StringBuffer sb = new StringBuffer(word);
            sb.reverse();
            //处理后的数据返回给客户端
            ps.println(sb.toString());
        }
    }
}

客户端

package test;

import java.io.*;
import java.net.Socket;
import java.util.Scanner;

/**
 * @author WangXuekui
 * @version 1.0
 * @className TestClient
 * @description <功能描述>
 * @date 2020/1/24 14:53
 */
public class TestClient {
    public static void main(String[] args) throws IOException {
        /**
         * 1、从键盘输入词语
         * 2、发送给服务器
         * 3、接收服务器处理后的数据
         * 4、重复1-3，直到发送bye
         * 5、断开连接
         */
        //连接服务器
        Socket socket = new Socket("192.168.31.195",9980);

        //从键盘输入
        Scanner scanner = new Scanner(System.in);
        //输出流
        PrintStream ps = new PrintStream(socket.getOutputStream());
        //输入流
        InputStream is = socket.getInputStream();
        BufferedReader br = new BufferedReader(new InputStreamReader(is));

        while(true){
            System.out.println("请输入词语：");
            String word = scanner.next();
            ps.println(word);
            if("bye".equals(word)){
                break;
            }
            System.out.println("服务器返回的结果："+br.readLine());
        }
        //断开连接
        scanner.close();
        socket.close();
    }
}

来源：CSDN

作者：Cris28797

链接：https://blog.csdn.net/Cris_Ronaldo/article/details/104080996

标签

socket

通信