使用Socket实现两个人聊天

比眉伴天荒 2022-11-30 04:16 138阅读 0赞

## Client ##

public class Client {
        public static void main(String[] args) throws Exception{
            Socket socket = new Socket("127.0.0.1",9999);
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            OutputStream os = socket.getOutputStream();
            new Thread(() -> {
                while (true) {
                    try {
                        String s = br.readLine();
                        byte[] bytes = s.getBytes();
                        os.write(bytes,0,bytes.length);
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
    
                }
            }).start();
    
            InputStream is = socket.getInputStream();
            new Thread(() -> {
                while (true) {
                    try {
                        int len;
                        byte[] b = new byte[1024];
                        len = is.read(b);
                        System.out.println("127.0.0.1 : " + new String(b,0,len));
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }).start();
        }
    }

## Server ##

public class Service {
        public static void main(String[] args) throws Exception{
            ServerSocket server = new ServerSocket(9999);
            Socket socket = server.accept();
            InputStream is = socket.getInputStream();
            String ip = socket.getInetAddress().getHostAddress();
            new Thread(() -> {
                while (true) {
                    try {
                        int len;
                        byte[] b = new byte[1024];
                        len = is.read(b);
                        System.out.println(ip + ": " + new String(b,0,len));
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }).start();
    
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            OutputStream os = socket.getOutputStream();
            new Thread(() -> {
                while (true) {
                    try {
                        String s = br.readLine();
                        byte[] bytes = s.getBytes();
                        os.write(bytes,0,bytes.length);
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
    
                }
            }).start();
        }
    }