字節碼學院之Java socket 控制臺聊天室

學了個把月基礎，終于寫出了一個雙工通信的控制臺版本的聊天室了，廢話不說啦，直接上代碼：
服務端代碼

package com.zijiemaedu.socketdemo;

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

/**
 * @author: Mr-zhang
 * @create: 2019-05-30 09:48
 * @emall: 2680775774@qq.com
 * @program: thread-demo
 * @ClassName: Server
 * @purpose:
 */
public class Server {
    public final static int PORT = 8888; // 服務端監聽端口

    public static void main(String[] args) throws IOException {
        ServerSocket server = new ServerSocket(PORT); // 服務端對象
        Socket socket = server.accept(); // 等待客戶端鏈接(導致程序阻塞)
        InputStream inputStream = socket.getInputStream();// 獲取客戶端發送過來的數據流
        OutputStream outputStream = socket.getOutputStream();// 獲取客戶端發送過來的數據流

        // 將流進行轉換
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));

        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(outputStream));

        // 向客戶端輸出消息
        new Thread(new Runnable() {
            @Override
            public void run() {
                Scanner scanner = new Scanner(System.in);
                System.out.println("請輸入您想發送給客戶端的消息:");
                String line = scanner.next();
                while (line != null) {
                    try {
                        writer.write(line);
                        writer.newLine();
                        writer.flush();
                        System.out.println("請輸入您想發送給客戶端的消息:");
                        line = scanner.next();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        }).start();

        String line = null;

        while ((line = reader.readLine()) != null) {
            System.out.println(line);
        }

        socket.close();
        server.close();
    }
}

客戶端代碼：

package com.zijiemaedu.socketdemo;

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

/**
 * @author: Mr-zhangY
 * @create: 2019-05-30 09:57
 * @emall: 2680775774@qq.com
 * @program: thread-demo
 * @ClassName: Client
 * @purpose:
 */
public class Client {
    private final static String HOST = "localhost";
    private final static int PORT = Server.PORT;

    public static void main(String[] args) throws IOException {
        Socket socket = new Socket(HOST, PORT); // 創建客戶端socket
        OutputStream output = socket.getOutputStream();
        InputStream inputStream = socket.getInputStream(); // 獲取服務端輸入過來的消息流

        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(output));
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
        new Thread(() -> {
            try {
                while (true) {
                    String message = reader.readLine();
                    System.out.println("服務端響應了: " + message);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }).start();

        Scanner scanner = new Scanner(System.in);
        String input = scanner.next();

        while (input != null) {
            if ("q".equals(input)) {
                break;
            }

            writer.write(input);
            writer.newLine();
            writer.flush();
            input = scanner.next();
        }

        writer.close();
        socket.close();
    }
}

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