开启状态线程，优化结束程序逻辑

张世豪

昨天 7be65a0428a4527889b6955c56aafdb81dda28a8

 src/home/Homein.java

@@ -1,5 +1,4 @@
package home;

import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
@@ -7,11 +6,25 @@
import chushihua.Chushihua;
import chushihua.SlotManager;
import chushihua.lunxun;
import chushihua.lunxunzaixian;
import dialog.Dingshidialog;
import jiekou.lunxunkazhuangtai;

import java.io.IOException;
import java.net.ServerSocket;

public class Homein {
    // 单实例锁的端口号，选择一个不常用的端口
    private static final int SINGLE_INSTANCE_PORT = 9999;
    private static ServerSocket singleInstanceSocket;
    
    public static void main(String[] args) {
        // 检查是否已有实例在运行
        if (!checkSingleInstance()) {            
            Dingshidialog.showTimedDialog(null,5, "软件已经在运行中，不能重复打开！");
            System.exit(0);
            return;
        }
        
        SwingUtilities.invokeLater(() -> {
            try {
                // 设置系统外观
@@ -29,6 +42,7 @@
                        "系统初始化失败，无法启动应用程序", 
                        "错误", 
                        JOptionPane.ERROR_MESSAGE);
                    cleanupSingleInstanceLock();
                    System.exit(1);
                }
                
@@ -38,9 +52,50 @@
                    "程序启动失败: " + e.getMessage(), 
                    "错误", 
                    JOptionPane.ERROR_MESSAGE);
                cleanupSingleInstanceLock();
                System.exit(1);
            }
        });        
    }
    
    /**
     * 检查是否单实例运行
     * @return 如果是唯一实例返回true，如果已有实例运行返回false
     */
    private static boolean checkSingleInstance() {
        try {
            // 尝试绑定到指定端口，如果成功说明是第一个实例
            singleInstanceSocket = new ServerSocket(SINGLE_INSTANCE_PORT);
            return true;
        } catch (IOException e) {
            // 端口已被占用，说明已有实例在运行
            return false;
        }
    }
    
    /**
     * 清理单实例锁 - 改为公共静态方法以便外部调用
     */
    public static void cleanupSingleInstanceLock() {
        if (singleInstanceSocket != null && !singleInstanceSocket.isClosed()) {
            try {
                singleInstanceSocket.close();
                //System.out.println("单实例锁已清理");
            } catch (IOException e) {
                System.err.println("关闭单实例锁时发生异常: " + e.getMessage());
            } finally {
                singleInstanceSocket = null;
            }
        }
        
        // 额外确保：尝试再次绑定端口来确认是否已释放
        try {
            ServerSocket testSocket = new ServerSocket(SINGLE_INSTANCE_PORT);
            testSocket.close();
            //System.out.println("端口确认已释放");
        } catch (IOException e) {
            System.err.println("端口可能仍被占用: " + e.getMessage());
        }
    }
    
    /**
@@ -107,7 +162,7 @@
    private static boolean initializeSlotManager() {
        try {
            // SlotManager 会在构造函数中自动初始化所有卡槽
            SlotManager slotManager = new SlotManager();
            new SlotManager();
            //System.out.println("✓ 卡槽管理器初始化成功");
            //System.out.println("  总卡槽数: " + slotManager.getTotalSlots());
            
@@ -129,24 +184,15 @@
            
            if (serialConnected) {
                // 4. 串口连接成功后，启动轮询
                boolean pollingStarted = startPollingService();
                startPollingService();
                showMainInterface();
                lunxunkazhuangtai.startPolling();//启动卡状态轮询发给服务器
                
                if (pollingStarted) {
                    showMainInterface();
                    //启动轮询卡状态给服务器发数据
                    lunxunkazhuangtai.startPolling();
                    //启动在线的卡状态轮询
                    lunxunzaixian.startOnlinePolling();
                } else {
                    System.err.println("轮询服务启动失败");
                    JOptionPane.showMessageDialog(null, 
                        "轮询服务启动失败，应用程序无法正常运行", 
                        "警告", 
                        JOptionPane.WARNING_MESSAGE);
                }
                
            } else {
                System.err.println("串口连接失败");
                // 串口连接失败已经由SerialPortConnectionDialog处理，直接退出
                cleanupSingleInstanceLock();
                System.exit(0);
            }
            
@@ -157,6 +203,7 @@
                "应用程序启动过程中发生错误: " + e.getMessage(), 
                "错误", 
                JOptionPane.ERROR_MESSAGE);
            cleanupSingleInstanceLock();
            System.exit(1);
        }
    }
@@ -282,6 +329,9 @@
                    mainUI.dispose();
                }
                
                // 清理单实例锁 - 确保在关闭钩子中也调用
                cleanupSingleInstanceLock();
                
                //System.out.println("应用程序关闭完成");
                
            } catch (Exception e) {