检查Java TCP服务器上的客户端断开连接 - 仅输出

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class TCPServer {
    public static void main(String[] args) {
        int port = 8080; // 服务器监听的端口号

        try {
            ServerSocket serverSocket = new ServerSocket(port);
            System.out.println("服务器已启动，等待客户端连接...");

            while (true) {
                Socket clientSocket = serverSocket.accept();
                System.out.println("客户端连接成功：" + clientSocket.getInetAddress().getHostAddress());

                // 创建新线程处理客户端请求
                Thread clientThread = new Thread(() -> {
                    try {
                        InputStream inputStream = clientSocket.getInputStream();
                        OutputStream outputStream = clientSocket.getOutputStream();

                        // 处理客户端请求
                        // 在这里添加你的业务逻辑代码

                        // 检查客户端是否断开连接
                        while (true) {
                            try {
                                int data = inputStream.read();
                                if (data == -1) {
                                    System.out.println("客户端断开连接：" + clientSocket.getInetAddress().getHostAddress());
                                    break;
                                }
                            } catch (IOException e) {
                                System.out.println("客户端断开连接：" + clientSocket.getInetAddress().getHostAddress());
                                break;
                            }
                        }

                        // 关闭连接
                        inputStream.close();
                        outputStream.close();
                        clientSocket.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                });

                clientThread.start();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}