可发布版本202517.25

张世豪

4 小时以前 100f4dcea20a32663a07e91525de111f7515eb79

 src/chushihua/lunxun.java

@@ -1,9 +1,10 @@
package chushihua;

import chuankou.Sendmsg;
import dialog.Errlog;
import home.Fkj;
import home.MachineConfig;
import publicway.QueryData;
import xitongshezhi.Fkj;
import xitongshezhi.SystemDebugDialog;

import java.util.Map;
@@ -14,640 +15,766 @@
 * 轮询查询类 - 优化版本
 * 用于定时向所有卡槽发送查询指令
 * 支持暂停和恢复功能，检查串口连接状态
 * 新增：不同卡槽状态使用不同查询频率
 */
public class lunxun {
    private static volatile boolean isRunning = false;
    private static volatile boolean isPaused = false;
    private static final AtomicBoolean shouldStop = new AtomicBoolean(false);
    private static Thread pollingThread;
    private static int pollingInterval = 100; // 默认轮询间隔
    
    // 卡槽相关常量
    private static final int MIN_SLOT = 1;
    private static final int MAX_SLOT = 60;
    
    // 串口连接检查相关
    private static final int SERIAL_CHECK_INTERVAL = 5000; // 5秒检查一次串口连接
    private static long lastSerialCheckTime = 0;
    private static boolean serialConnected = false;
    
    // 性能优化：查询指令缓存
    private static final Map<Integer, String> queryCommandCache = new ConcurrentHashMap<>();
    
    // 调试模式控制
    public static  boolean DEBUG_ENABLED = false;
    
    /**
     * 检查串口连接状态 - 优化版本，添加重试机制
     * @return true-串口已连接, false-串口未连接
     */
    public static boolean checkSerialConnection() {
        // 避免频繁检查，每5秒检查一次
        long currentTime = System.currentTimeMillis();
        if (currentTime - lastSerialCheckTime < SERIAL_CHECK_INTERVAL) {
            return serialConnected;
        }
        
        lastSerialCheckTime = currentTime;
        
        try {
            // 简化检查：直接检查Sendmsg的串口状态，而不是发送测试指令
            boolean result = Sendmsg.isPortOpen();
            
            if (result) {
                if (DEBUG_ENABLED) {
                    //System.out.println("串口连接正常");
                }
                serialConnected = true;
            } else {
                System.err.println("串口连接失败 - 串口未打开");
                serialConnected = false;
            }
        } catch (Exception e) {
            System.err.println("串口连接检查异常: " + e.getMessage());
            serialConnected = false;
        }
        
        return serialConnected;
    }
    
    /**
     * 带重试的串口连接检查
     */
    private static boolean checkSerialConnectionWithRetry() {
        for (int i = 0; i < 3; i++) {
            if (checkSerialConnection()) {
                return true;
            }
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                return false;
            }
        }
        return false;
    }
    
    /**
     * 启动轮询查询 - 优化版本
     * @return true-启动成功, false-启动失败
     */
    public static boolean startPolling() {
        if (isRunning) {
            //System.out.println("轮询查询已经在运行中");
            return true;
        }
        
        // 启动前严格检查串口连接
        if (!checkSerialConnectionWithRetry()) {
            System.err.println("串口未连接，无法启动轮询查询");
            return false;
        }
        
        // 从配置中获取轮询间隔
        loadPollingIntervalFromConfig();
        
        isRunning = true;
        isPaused = false;
        shouldStop.set(false);
        
        try {
            pollingThread = new Thread(new PollingTask(), "CardSlot-Polling-Thread");
            pollingThread.setDaemon(true);
            pollingThread.start();            
            if (DEBUG_ENABLED) {
                //System.out.println("轮询查询已启动，间隔: " + pollingInterval + "ms");
            }
            return true;
        } catch (Exception e) {
            System.err.println("启动轮询查询线程时发生异常: " + e.getMessage());
            isRunning = false;
            shouldStop.set(true);
            return false;
        }
    }
    
    /**
     * 停止轮询查询 - 修复版本
     * @return true-停止成功, false-停止失败
     */
    public static boolean stopPolling() {
        if (!isRunning) {
            //System.out.println("轮询查询未在运行");
            return false;
        }
        
        shouldStop.set(true);
        isRunning = false;
        isPaused = false;
        
        if (pollingThread != null) {
            pollingThread.interrupt();
            try {
                pollingThread.join(3000); // 等待3秒
                // 检查线程是否还在运行
                if (pollingThread.isAlive()) {
                    System.err.println("轮询线程未在3秒内停止，标记为守护线程并忽略");
                    // 不强制停止，而是确保它是守护线程
                    pollingThread.setDaemon(true);
                }
            } catch (InterruptedException e) {
                System.err.println("停止轮询查询时被中断: " + e.getMessage());
                Thread.currentThread().interrupt();
            } catch (Exception e) {
                System.err.println("停止轮询线程时发生异常: " + e.getMessage());
            } finally {
                pollingThread = null;
            }
        }
        
        shouldStop.set(false);
        //System.out.println("轮询查询已停止");
        return true;
    }
    
    /**
     * 暂停轮询查询
     * @return true-暂停成功, false-暂停失败
     */
    public static boolean pausePolling() {
        if (!isRunning) {
            if (DEBUG_ENABLED) {
                //System.out.println("轮询查询未在运行，无法暂停");
            }
            return false;
        }
        
        if (isPaused) {
            if (DEBUG_ENABLED) {
                //System.out.println("轮询查询已经处于暂停状态");
            }
            return false;
        }
        
        isPaused = true;
        //System.out.println("轮询查询已暂停");
        return true;
    }
    
    /**
     * 恢复轮询查询
     * @return true-恢复成功, false-恢复失败
     */
    public static boolean resumePolling() {
        if (!isRunning) {
            //System.out.println("轮询查询未在运行，无法恢复");
            return false;
        }
        
        if (!isPaused) {
            //System.out.println("轮询查询未处于暂停状态");
            return false;
        }
        
        // 恢复前检查串口连接
        if (!checkSerialConnectionWithRetry()) {
            System.err.println("串口未连接，无法恢复轮询查询");
            return false;
        }
        
        isPaused = false;
        synchronized (lunxun.class) {
            lunxun.class.notifyAll(); // 唤醒等待的线程
        }
        //System.out.println("轮询查询已恢复");
        return true;
    }
    
    /**
     * 检查轮询状态
     * @return true-正在运行, false-已停止
     */
    public static boolean isPolling() {
        return isRunning;
    }
    
    /**
     * 检查是否暂停
     * @return true-已暂停, false-未暂停
     */
    public static boolean isPaused() {
        return isPaused;
    }
    
    /**
     * 检查串口连接状态
     * @return true-串口已连接, false-串口未连接
     */
    public static boolean isSerialConnected() {
        return serialConnected;
    }
    
    /**
     * 设置轮询间隔
     * @param interval 轮询间隔（毫秒）
     */
    public static void setPollingInterval(int interval) {
        if (interval < 10) {
            System.err.println("轮询间隔不能小于10ms");
            return;
        }
        
        pollingInterval = interval;
        //System.out.println("轮询间隔已设置为: " + interval + "ms");
        
        // 如果正在运行，重新启动以应用新的间隔
        if (isRunning) {
            restartPolling();
        }
    }
    
    /**
     * 获取当前轮询间隔
     * @return 轮询间隔（毫秒）
     */
    public static int getPollingInterval() {
        return pollingInterval;
    }
    
    /**
     * 重新启动轮询查询
     * @return true-重启成功, false-重启失败
     */
    public static boolean restartPolling() {
        stopPolling();
        
        // 等待一小段时间确保线程完全停止
        try {
            Thread.sleep(200);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
        
        return startPolling();
    }
    
    /**
     * 从配置中加载轮询间隔
     */
    private static void loadPollingIntervalFromConfig() {
        try {
            Chushihua configSystem = Chushihua.getInstance();
            if (configSystem.isInitialized()) {
                MachineConfig machineConfig = configSystem.getMachineConfig();
                pollingInterval = machineConfig.getPollingInterval();
                //System.out.println("从配置加载轮询间隔: " + pollingInterval + "ms");
            } else {
                //System.out.println("配置系统未初始化，使用默认轮询间隔: " + pollingInterval + "ms");
            }
        } catch (Exception e) {
            System.err.println("加载轮询间隔配置失败: " + e.getMessage());
            //System.out.println("使用默认轮询间隔: " + pollingInterval + "ms");
        }
    }
    
    /**
     * 获取缓存的查询指令
     */
    private static String getCachedQueryCommand(int slotNumber) {
        return queryCommandCache.computeIfAbsent(slotNumber, QueryData::queryData);
    }
    
    /**
     * 清空查询指令缓存（当查询逻辑变化时调用）
     */
    public static void clearQueryCache() {
        queryCommandCache.clear();
        //System.out.println("查询指令缓存已清空");
    }
    
    /**
     * 轮询任务内部类 - 优化版本
     * 优化内存使用：避免在循环中创建新对象
     * 添加批量处理和性能监控
     */
    private static class PollingTask implements Runnable {
        private int currentIndex = 0; // 当前索引，用于遍历slotArray
        private int consecutiveFailures = 0; // 连续失败次数
        private static final int MAX_CONSECUTIVE_FAILURES = 5; // 最大连续失败次数
        
        @Override
        public void run() {
            //System.out.println("轮询查询线程开始运行");
            
            while (isRunning && !Thread.currentThread().isInterrupted() && !shouldStop.get()) {
                try {
                    // 检查是否暂停
                    if (isPaused) {
                        synchronized (lunxun.class) {
                            while (isPaused && isRunning && !shouldStop.get()) {
                                lunxun.class.wait(1000); // 等待1秒或直到被唤醒
                            }
                        }
                        continue;
                    }
                    
                    // 定期检查串口连接状态（每10次循环检查一次）
                    if (currentIndex % 10 == 0 && !checkSerialConnectionWithRetry()) {
                        System.err.println("串口连接断开，暂停轮询");
                        pausePolling();
                        continue;
                    }
                    
                    // 获取卡槽数组
                    Fkj[] slotArray = SlotManager.getSlotArray();
                    if (slotArray == null || slotArray.length == 0) {
                        System.err.println("卡槽数组未初始化");
                        Thread.sleep(pollingInterval);
                        continue;
                    }
                    
                    // 遍历所有卡槽，只给 hasCard != 1 的卡槽发送查询指令
                    boolean sentQuery = false;
                    int checkedSlots = 0;
                    int maxSlotsPerCycle = Math.min(10, slotArray.length); // 每周期最多检查10个卡槽
                    
                    for (int i = 0; i < maxSlotsPerCycle && checkedSlots < slotArray.length; i++) {
                        Fkj slot = slotArray[currentIndex];
                        if (slot != null) {
                            String hasCard = slot.getHasCard();
                            if (!"1".equals(hasCard)) {
                                int slotNumber = currentIndex + 1;
                                if (sendQueryToSlot(slotNumber)) {
                                    sentQuery = true;
                                    consecutiveFailures = 0;
                                    
                                    // 关键修复：在break前先更新索引
                                    currentIndex = (currentIndex + 1) % slotArray.length;
                                    checkedSlots++;
                                    
                                    Thread.sleep(pollingInterval);
                                    break;
                                } else {
                                    consecutiveFailures++;
                                    if (consecutiveFailures >= MAX_CONSECUTIVE_FAILURES) {
                                        System.err.println("连续失败次数过多，暂停轮询");
                                        pausePolling();
                                        break;
                                    }
                                }
                            }
                        }
                        
                        // 对于不需要发送查询的卡槽，正常更新索引
                        currentIndex = (currentIndex + 1) % slotArray.length;
                        checkedSlots++;
                    }
                    
                    // 如果没有找到需要查询的卡槽，等待一段时间再继续
                    if (!sentQuery) {
                        Thread.sleep(pollingInterval * 2); // 没有查询时等待时间加倍
                    }
                    
                } catch (InterruptedException e) {
                    //System.out.println("轮询查询线程被中断");
                    Thread.currentThread().interrupt();
                    break;
                } catch (Exception e) {
                    System.err.println("轮询查询过程中发生异常: " + e.getMessage());
                    consecutiveFailures++;
                    
                    // 发生异常时等待一段时间再继续
                    try {
                        Thread.sleep(1000);
                    } catch (InterruptedException ie) {
                        Thread.currentThread().interrupt();
                        break;
                    }
                }
            }
            
            //System.out.println("轮询查询线程结束运行");
        }
        
        /**
         * 向指定卡槽发送查询指令 - 优化版本
         * 使用缓存指令，优化调试输出
         */
        private boolean sendQueryToSlot(int slotNumber) {
            try {
                // 使用缓存的查询指令
                String queryCommand = getCachedQueryCommand(slotNumber);
                
                if (queryCommand != null && !queryCommand.trim().isEmpty()) {
                    // 发送到串口
                    boolean sendResult = Sendmsg.sendMessage(queryCommand);
                    
                    if (sendResult) {
                        // 只在调试时输出，避免频繁打印
                        if (DEBUG_ENABLED) {
                            SystemDebugDialog.appendAsciiData(String.format("Slot %d Send query (hasCard !=1)", slotNumber));
                        }
                        return true;
                    } else {
                        if (DEBUG_ENABLED) {
                            SystemDebugDialog.appendAsciiData("Send query command to card slot err");
                        }
                        // 发送失败可能是串口断开，更新连接状态
                        serialConnected = false;
                        return false;
                    }
                } else {
                    System.err.println("生成的查询指令为空，卡槽: " + slotNumber);
                    return false;
                }
                
            } catch (Exception e) {
                System.err.println("发送查询指令到卡槽 " + slotNumber + " 时发生异常: " + e.getMessage());
                // 发生异常时更新串口连接状态
                serialConnected = false;
                return false;
            }
        }
    }
    
    /**
     * 立即向指定卡槽发送查询指令（不等待轮询）
     * @param slotNumber 卡槽编号 (1-60)
     * @return true-发送成功, false-发送失败
     */
    public static boolean sendImmediateQuery(int slotNumber) {
        if (slotNumber < MIN_SLOT || slotNumber > MAX_SLOT) {
            System.err.println("卡槽编号必须在" + MIN_SLOT + "-" + MAX_SLOT + "之间");
            return false;
        }
        
        // 检查串口连接
        if (!checkSerialConnectionWithRetry()) {
            System.err.println("串口未连接，无法发送查询指令");
            return false;
        }
        
        try {
            // 使用缓存的查询指令
            String queryCommand = getCachedQueryCommand(slotNumber);
            
            if (queryCommand != null && !queryCommand.trim().isEmpty()) {
                // 发送到串口
                boolean sendResult = Sendmsg.sendMessage(queryCommand);
                
                if (sendResult) {
                    if (DEBUG_ENABLED) {
                        //System.out.println("立即查询成功 - 卡槽 " + slotNumber);
                    }
                    return true;
                } else {
                    System.err.println("立即查询失败 - 发送指令到卡槽 " + slotNumber + " 失败");
                    return false;
                }
            } else {
                System.err.println("立即查询失败 - 生成的查询指令为空，卡槽: " + slotNumber);
                return false;
            }
            
        } catch (Exception e) {
            System.err.println("立即查询卡槽 " + slotNumber + " 时发生异常: " + e.getMessage());
            return false;
        }
    }
    
    /**
     * 立即向所有卡槽发送查询指令（批量）- 优化版本
     * @return 成功发送的指令数量
     */
    public static int sendImmediateQueryToAll() {
        // 检查串口连接
        if (!checkSerialConnectionWithRetry()) {
            System.err.println("串口未连接，无法发送批量查询指令");
            return 0;
        }
        
        int successCount = 0;
        int batchSize = 5; // 每批次发送5个查询
        int totalSlots = MAX_SLOT - MIN_SLOT + 1;
        
        //System.out.println("开始批量查询所有卡槽...");
        
        for (int batchStart = MIN_SLOT; batchStart <= MAX_SLOT; batchStart += batchSize) {
            if (shouldStop.get()) {
                break;
            }
            
            int batchEnd = Math.min(batchStart + batchSize - 1, MAX_SLOT);
            
            // 批次内查询
            for (int slot = batchStart; slot <= batchEnd; slot++) {
                if (sendImmediateQuery(slot)) {
                    successCount++;
                }
            }
            
            // 批次间间隔，避免串口拥堵
            if (batchEnd < MAX_SLOT) {
                try {
                    Thread.sleep(50);
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    break;
                }
            }
        }
        
        //System.out.println("批量查询完成，成功发送: " + successCount + "/" + totalSlots);
        return successCount;
    }
    
    /**
     * 手动设置串口连接状态（用于外部检测到串口状态变化时调用）
     * @param connected 串口连接状态
     */
    public static void setSerialConnected(boolean connected) {
        serialConnected = connected;
        lastSerialCheckTime = System.currentTimeMillis();
        
        if (connected) {
//            //System.out.println("串口连接状态已设置为: 已连接");
        } else {
            System.err.println("串口连接状态已设置为: 未连接");
            // 如果串口断开且轮询正在运行，自动暂停轮询
            if (isRunning && !isPaused) {
                pausePolling();
            }
        }
    }
    
    /**
     * 获取轮询状态信息
     * @return 状态信息字符串
     */
    public static String getPollingStatus() {
        String status;
        if (!isRunning) {
            status = "已停止";
        } else if (isPaused) {
            status = "已暂停";
        } else {
            status = "运行中";
        }
        
        String serialStatus = serialConnected ? "已连接" : "未连接";
        int cacheSize = queryCommandCache.size();
        
        return String.format("轮询状态: %s, 串口: %s, 间隔: %dms, 指令缓存: %d, 卡槽范围: %d-%d", 
                           status, serialStatus, pollingInterval, cacheSize, MIN_SLOT, MAX_SLOT);
    }
    
    /**
     * 直接设置轮询暂停状态（供其他类调用）
     * @param paused true-暂停轮询, false-恢复轮询
     * @return true-设置成功, false-设置失败（如轮询未运行）
     */
    public static boolean setPollingPaused(boolean paused) {
        if (!isRunning) {
            //System.out.println("轮询查询未在运行，无法设置暂停状态");
            return false;
        }
        
        if (paused) {
            // 请求暂停
            if (!isPaused) {
                isPaused = true;
                //System.out.println("轮询查询已通过外部调用暂停");
                return true;
            } else {
                //System.out.println("轮询查询已经处于暂停状态");
                return false;
            }
        } else {
            // 请求恢复
            if (isPaused) {
                // 恢复前检查串口连接
                if (!checkSerialConnectionWithRetry()) {
                    System.err.println("串口未连接，无法恢复轮询查询");
                    return false;
                }
                
                isPaused = false;
                synchronized (lunxun.class) {
                    lunxun.class.notifyAll(); // 唤醒等待的线程
                }
                //System.out.println("轮询查询已通过外部调用恢复");
                return true;
            } else {
                //System.out.println("轮询查询未处于暂停状态");
                return false;
            }
        }
    }
    
    /**
     * 获取性能统计信息
     */
    public static String getPerformanceStats() {
        return String.format("查询指令缓存大小: %d, 轮询间隔: %dms", 
                           queryCommandCache.size(), pollingInterval);
    }
   private static volatile boolean isRunning = false;
   private static volatile boolean isPaused = false;
   private static final AtomicBoolean shouldStop = new AtomicBoolean(false);
   private static Thread pollingThread;
   private static int pollingInterval = 100; // 默认轮询间隔
   public static boolean sendChaxunzhiling=true;//是否向串口发送查询指令

   public static boolean isSendChaxunzhiling() {
      return sendChaxunzhiling;
   }

   public static void setSendChaxunzhiling(boolean sendChaxunzhiling) {
      lunxun.sendChaxunzhiling = sendChaxunzhiling;
   }

   // 卡槽相关常量
   private static final int MIN_SLOT = 1;
   private static final int MAX_SLOT = 60;

   // 串口连接检查相关
   private static final int SERIAL_CHECK_INTERVAL = 5000; // 5秒检查一次串口连接
   private static long lastSerialCheckTime = 0;
   private static boolean serialConnected = false;

   // 性能优化：查询指令缓存
   private static final Map<Integer, String> queryCommandCache = new ConcurrentHashMap<>();

   // 调试模式控制
   public static  boolean DEBUG_ENABLED = false;

   // 新增：不同状态卡槽的查询频率控制
   private static final int NO_CARD_QUERY_INTERVAL = 100;    // 无卡卡槽查询间隔：100ms
   private static final int HAS_CARD_QUERY_INTERVAL = 10000; // 有卡卡槽查询间隔：10秒
   private static final Map<Integer, Long> lastQueryTimeMap = new ConcurrentHashMap<>(); // 记录每个卡槽的最后查询时间

   /**
    * 检查串口连接状态 - 优化版本，添加重试机制
    * @return true-串口已连接, false-串口未连接
    */
   public static boolean checkSerialConnection() {
      // 避免频繁检查，每5秒检查一次
      long currentTime = System.currentTimeMillis();
      if (currentTime - lastSerialCheckTime < SERIAL_CHECK_INTERVAL) {
         return serialConnected;
      }

      lastSerialCheckTime = currentTime;

      try {
         // 简化检查：直接检查Sendmsg的串口状态，而不是发送测试指令
         boolean result = Sendmsg.isPortOpen();

         if (result) {
            if (DEBUG_ENABLED) {
               //System.out.println("串口连接正常");
            }
            serialConnected = true;
         } else {
            Errlog.logOperation("串口连接失败 - 串口未打开");
            serialConnected = false;
         }
      } catch (Exception e) {
         Errlog.logOperation("串口连接检查异常: " + e.getMessage());
         serialConnected = false;
      }

      return serialConnected;
   }

   /**
    * 带重试的串口连接检查
    */
   private static boolean checkSerialConnectionWithRetry() {
      for (int i = 0; i < 3; i++) {
         if (checkSerialConnection()) {
            return true;
         }
         try {
            Thread.sleep(1000);
         } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            return false;
         }
      }
      return false;
   }

   /**
    * 启动轮询查询 - 优化版本
    * @return true-启动成功, false-启动失败
    */
   public static boolean startPolling() {
      if (isRunning) {
         //System.out.println("轮询查询已经在运行中");
         return true;
      }

      // 启动前严格检查串口连接
      if (!checkSerialConnectionWithRetry()) {
         Errlog.logOperation("串口未连接，无法启动轮询查询");
         return false;
      }

      // 从配置中获取轮询间隔
      loadPollingIntervalFromConfig();

      // 初始化最后查询时间记录
      initializeLastQueryTimes();

      isRunning = true;
      isPaused = false;
      shouldStop.set(false);

      try {
         pollingThread = new Thread(new PollingTask(), "CardSlot-Polling-Thread");
         pollingThread.setDaemon(true);
         pollingThread.start(); 
         return true;
      } catch (Exception e) {
         Errlog.logOperation("启动轮询查询线程时发生异常: " + e.getMessage());
         isRunning = false;
         shouldStop.set(true);
         return false;
      }
   }

   /**
    * 初始化最后查询时间记录
    */
   private static void initializeLastQueryTimes() {
      lastQueryTimeMap.clear();
      for (int i = MIN_SLOT; i <= MAX_SLOT; i++) {
         lastQueryTimeMap.put(i, 0L); // 初始化为0，表示从未查询过
      }
   }

   /**
    * 停止轮询查询 - 修复版本
    * @return true-停止成功, false-停止失败
    */
   public static boolean stopPolling() {
      if (!isRunning) {
         //System.out.println("轮询查询未在运行");
         return false;
      }

      shouldStop.set(true);
      isRunning = false;
      isPaused = false;

      if (pollingThread != null) {
         pollingThread.interrupt();
         try {
            pollingThread.join(3000); // 等待3秒
            // 检查线程是否还在运行
            if (pollingThread.isAlive()) {
               Errlog.logOperation("轮询线程未在3秒内停止，标记为守护线程并忽略");
               // 不强制停止，而是确保它是守护线程
               pollingThread.setDaemon(true);
            }
         } catch (InterruptedException e) {
            Errlog.logOperation("停止轮询查询时被中断: " + e.getMessage());
            Thread.currentThread().interrupt();
         } catch (Exception e) {
            Errlog.logOperation("停止轮询线程时发生异常: " + e.getMessage());
         } finally {
            pollingThread = null;
         }
      }

      shouldStop.set(false);
      //System.out.println("轮询查询已停止 - 串口数据接收不受影响");
      return true;
   }

   /**
    * 暂停轮询查询
    * @return true-暂停成功, false-暂停失败
    */
   public static boolean pausePolling() {
      if (!isRunning) {
         if (DEBUG_ENABLED) {
            //System.out.println("轮询查询未在运行，无法暂停");
         }
         return false;
      }

      if (isPaused) {
         if (DEBUG_ENABLED) {
            //System.out.println("轮询查询已经处于暂停状态");
         }
         return false;
      }

      isPaused = true;
      //System.out.println("轮询查询已暂停 - 仅停止发送查询指令");
      return true;
   }

   /**
    * 恢复轮询查询
    * @return true-恢复成功, false-恢复失败
    */
   public static boolean resumePolling() {
      if (!isRunning) {
         //System.out.println("轮询查询未在运行，无法恢复");
         return false;
      }

      if (!isPaused) {
         //System.out.println("轮询查询未处于暂停状态");
         return false;
      }

      // 恢复前检查串口连接
      if (!checkSerialConnectionWithRetry()) {
         Errlog.logOperation("串口未连接，无法恢复轮询查询");
         return false;
      }

      isPaused = false;
      synchronized (lunxun.class) {
         lunxun.class.notifyAll(); // 唤醒等待的线程
      }
      //System.out.println("轮询查询已恢复");
      return true;
   }

   /**
    * 检查轮询状态
    * @return true-正在运行, false-已停止
    */
   public static boolean isPolling() {
      return isRunning;
   }

   /**
    * 检查是否暂停
    * @return true-已暂停, false-未暂停
    */
   public static boolean isPaused() {
      return isPaused;
   }

   /**
    * 检查串口连接状态
    * @return true-串口已连接, false-串口未连接
    */
   public static boolean isSerialConnected() {
      return serialConnected;
   }

   /**
    * 设置轮询间隔
    * @param interval 轮询间隔（毫秒）
    */
   public static void setPollingInterval(int interval) {
      if (interval < 10) {
         Errlog.logOperation("轮询间隔不能小于10ms");
         return;
      }

      pollingInterval = interval;
      //System.out.println("轮询间隔已设置为: " + interval + "ms");

      // 如果正在运行，重新启动以应用新的间隔
      if (isRunning) {
         restartPolling();
      }
   }

   /**
    * 获取当前轮询间隔
    * @return 轮询间隔（毫秒）
    */
   public static int getPollingInterval() {
      return pollingInterval;
   }

   /**
    * 重新启动轮询查询
    * @return true-重启成功, false-重启失败
    */
   public static boolean restartPolling() {
      stopPolling();

      // 等待一小段时间确保线程完全停止
      try {
         Thread.sleep(200);
      } catch (InterruptedException e) {
         Thread.currentThread().interrupt();
      }

      return startPolling();
   }

   /**
    * 从配置中加载轮询间隔
    */
   private static void loadPollingIntervalFromConfig() {
      try {
         Chushihua configSystem = Chushihua.getInstance();
         if (configSystem.isInitialized()) {
            MachineConfig machineConfig = configSystem.getMachineConfig();
            pollingInterval = machineConfig.getPollingInterval();
            //System.out.println("从配置加载轮询间隔: " + pollingInterval + "ms");
         } else {
            //System.out.println("配置系统未初始化，使用默认轮询间隔: " + pollingInterval + "ms");
         }
      } catch (Exception e) {
         Errlog.logOperation("加载轮询间隔配置失败: " + e.getMessage());
         //System.out.println("使用默认轮询间隔: " + pollingInterval + "ms");
      }
   }

   /**
    * 获取缓存的查询指令
    */
   private static String getCachedQueryCommand(int slotNumber) {
      return queryCommandCache.computeIfAbsent(slotNumber, QueryData::queryData);
   }

   /**
    * 清空查询指令缓存（当查询逻辑变化时调用）
    */
   public static void clearQueryCache() {
      queryCommandCache.clear();
      //System.out.println("查询指令缓存已清空");
   }

   /**
    * 轮询任务内部类 - 优化版本
    * 支持不同状态卡槽的不同查询频率
    */

   private static class PollingTask implements Runnable {
      private int currentIndex = 0; // 当前索引，用于遍历slotArray
      private int consecutiveFailures = 0; // 连续失败次数
      private static final int MAX_CONSECUTIVE_FAILURES = 5; // 最大连续失败次数

      @Override
      public void run() {
         //System.out.println("轮询查询线程开始运行");

         while (isRunning && !Thread.currentThread().isInterrupted() && !shouldStop.get()) {
            try {

//               System.out.println("查询中.....线程");
               // 检查是否暂停
               if (isPaused) {
                  synchronized (lunxun.class) {
                     while (isPaused && isRunning && !shouldStop.get()) {
                        lunxun.class.wait(1000); // 等待1秒或直到被唤醒
                     }
                  }
                  continue;
               }

               // 定期检查串口连接状态（每10次循环检查一次）
               if (currentIndex % 10 == 0 && !checkSerialConnectionWithRetry()) {
                  Errlog.logOperation("串口连接断开，暂停轮询");
                  pausePolling();
                  continue;
               }

               // 获取卡槽数组
               Fkj[] slotArray = SlotManager.getSlotArray();
               if (slotArray == null || slotArray.length == 0) {
                  Errlog.logOperation("卡槽数组未初始化");
                  Thread.sleep(pollingInterval);
                  continue;
               }

               // 新增：根据卡槽状态和查询频率决定是否发送查询
               boolean sentQuery = false;
               long currentTime = System.currentTimeMillis();

               // 遍历卡槽，寻找需要查询的卡槽
               for (int i = 0; i < slotArray.length && !sentQuery; i++) {
                  int slotIndex = (currentIndex + i) % slotArray.length;
                  Fkj slot = slotArray[slotIndex];
                  if (slot != null) {
                     String hasCard = slot.getHasCard();
                     int slotNumber = slotIndex + 1;
                     Long lastQueryTime = lastQueryTimeMap.get(slotNumber);

                     // 确定查询间隔：只有hasCard="1"的卡槽使用10秒间隔，其他情况（包括"-1"）都使用100ms间隔
                     int queryInterval = "1".equals(hasCard) ? HAS_CARD_QUERY_INTERVAL : NO_CARD_QUERY_INTERVAL;

                     // 检查是否达到查询时间
                     if (lastQueryTime == null || currentTime - lastQueryTime >= queryInterval) {
                        if (sendQueryToSlot(slotNumber)) {
                           // 更新最后查询时间
                           lastQueryTimeMap.put(slotNumber, currentTime);
                           sentQuery = true;
                           consecutiveFailures = 0;

                           // 成功发送查询后，等待100ms再继续下一个查询
                           Thread.sleep(100);

                           if (DEBUG_ENABLED) {
                              String status;
                              if ("1".equals(hasCard)) {
                                 status = "有卡";
                              } else if ("-1".equals(hasCard)) {
                                 status = "未知";
                              } else {
                                 status = "无卡";
                              }
                              if (DEBUG_ENABLED) {
                                  StringBuilder debugMsg = new StringBuilder(50);
                                  debugMsg.append("Slot ").append(slotNumber)
                                          .append(" (").append(status).append(") 查询成功，间隔: ")
                                          .append(queryInterval).append("ms\n");
                                  SystemDebugDialog.appendAsciiData(debugMsg.toString());
                              }
                           }
                        } else {
                           consecutiveFailures++;
                           if (consecutiveFailures >= MAX_CONSECUTIVE_FAILURES) {
                              Errlog.logOperation("lunxun连续失败次数过多，暂停轮询");
                              pausePolling();
                              break;
                           }
                        }
                     }
                  }
               }

               // 更新当前索引
               currentIndex = (currentIndex + 1) % slotArray.length;

               // 如果没有发送查询，等待一段时间再继续
               if (!sentQuery) {
                  Thread.sleep(pollingInterval);
               }

            } catch (InterruptedException e) {
               //System.out.println("轮询查询线程被中断");
               Thread.currentThread().interrupt();
               break;
            } catch (Exception e) {
               Errlog.logOperation("轮询查询过程中发生异常: " + e.getMessage());
               consecutiveFailures++;

               // 发生异常时等待一段时间再继续
               try {
                  Thread.sleep(1000);
               } catch (InterruptedException ie) {
                  Thread.currentThread().interrupt();
                  break;
               }
            }
         }

         //System.out.println("轮询查询线程结束运行");
      }

      /**
       * 向指定卡槽发送查询指令 - 优化版本
       * 使用缓存指令，优化调试输出
       */
      private boolean sendQueryToSlot(int slotNumber) {
         try {
            // 使用缓存的查询指令            	
            String queryCommand = getCachedQueryCommand(slotNumber);
//             System.out.println("指令是："+queryCommand);
            if (DEBUG_ENABLED) {
               SystemDebugDialog.appendAsciiData("send to "+slotNumber+" queryCommand");
            }

            if (queryCommand != null && !queryCommand.trim().isEmpty()) {
               // 发送到串口

               if(sendChaxunzhiling) {
                  boolean sendResult = Sendmsg.sendMessage(queryCommand);
                  if (sendResult) {
                     return true;
                  } else {
                     if (DEBUG_ENABLED) {
                        SystemDebugDialog.appendAsciiData(slotNumber+" Send query command to card slot err");
                     }
                     // 发送失败可能是串口断开，更新连接状态
                     serialConnected = false;
                     return false;
                  }
               }else {
                  return false;
               }
            } else {
               Errlog.logOperation("生成的查询指令为空，卡槽: " + slotNumber);
               return false;
            }

         } catch (Exception e) {
            Errlog.logOperation("发送查询指令到卡槽 " + slotNumber + " 时发生异常: " + e.getMessage());
            // 发生异常时更新串口连接状态
            serialConnected = false;
            return false;
         }
      }
   }

   /**
    * 立即向指定卡槽发送查询指令（不等待轮询）
    * @param slotNumber 卡槽编号 (1-60)
    * @return true-发送成功, false-发送失败
    */
   public static boolean sendImmediateQuery(int slotNumber) {
      if (slotNumber < MIN_SLOT || slotNumber > MAX_SLOT) {
         Errlog.logOperation("卡槽编号必须在" + MIN_SLOT + "-" + MAX_SLOT + "之间");
         return false;
      }

      // 检查串口连接
      if (!checkSerialConnectionWithRetry()) {
         Errlog.logOperation("串口未连接，无法发送查询指令");
         return false;
      }

      try {
         // 使用缓存的查询指令
         String queryCommand = getCachedQueryCommand(slotNumber);

         if (queryCommand != null && !queryCommand.trim().isEmpty()) {
            // 发送到串口
            boolean sendResult = Sendmsg.sendMessage(queryCommand);

            if (sendResult) {
               // 更新最后查询时间
               lastQueryTimeMap.put(slotNumber, System.currentTimeMillis());

               if (DEBUG_ENABLED) {
                  //System.out.println("立即查询成功 - 卡槽 " + slotNumber);
               }
               return true;
            } else {
               Errlog.logOperation("立即查询失败 - 发送指令到卡槽 " + slotNumber + " 失败");
               return false;
            }
         } else {
            Errlog.logOperation("立即查询失败 - 生成的查询指令为空，卡槽: " + slotNumber);
            return false;
         }

      } catch (Exception e) {
         Errlog.logOperation("立即查询卡槽 " + slotNumber + " 时发生异常: " + e.getMessage());
         return false;
      }
   }

   /**
    * 立即向所有卡槽发送查询指令（批量）- 优化版本
    * @return 成功发送的指令数量
    */
   public static int sendImmediateQueryToAll() {
      // 检查串口连接
      if (!checkSerialConnectionWithRetry()) {
         Errlog.logOperation("串口未连接，无法发送批量查询指令");
         return 0;
      }

      int successCount = 0;
      int batchSize = 5; // 每批次发送5个查询
      int totalSlots = MAX_SLOT - MIN_SLOT + 1;
      long currentTime = System.currentTimeMillis();

      //System.out.println("开始批量查询所有卡槽...");

      for (int batchStart = MIN_SLOT; batchStart <= MAX_SLOT; batchStart += batchSize) {
         if (shouldStop.get()) {
            break;
         }

         int batchEnd = Math.min(batchStart + batchSize - 1, MAX_SLOT);

         // 批次内查询
         for (int slot = batchStart; slot <= batchEnd; slot++) {
            if (sendImmediateQuery(slot)) {
               successCount++;
               // 更新最后查询时间
               lastQueryTimeMap.put(slot, currentTime);
            }
         }

         // 批次间间隔，避免串口拥堵
         if (batchEnd < MAX_SLOT) {
            try {
               Thread.sleep(50);
            } catch (InterruptedException e) {
               Thread.currentThread().interrupt();
               break;
            }
         }
      }

      //System.out.println("批量查询完成，成功发送: " + successCount + "/" + totalSlots);
      return successCount;
   }

   /**
    * 手动设置串口连接状态（用于外部检测到串口状态变化时调用）
    * @param connected 串口连接状态
    */
   public static void setSerialConnected(boolean connected) {
      serialConnected = connected;
      lastSerialCheckTime = System.currentTimeMillis();

      if (connected) {
         //            //System.out.println("串口连接状态已设置为: 已连接");
      } else {
         Errlog.logOperation("串口连接状态已设置为: 未连接");
         // 如果串口断开且轮询正在运行，自动暂停轮询
         if (isRunning && !isPaused) {
            pausePolling();
         }
      }
   }

   /**
    * 获取轮询状态信息
    * @return 状态信息字符串
    */
   public static String getPollingStatus() {
      String status;
      if (!isRunning) {
         status = "已停止";
      } else if (isPaused) {
         status = "已暂停";
      } else {
         status = "运行中";
      }

      String serialStatus = serialConnected ? "已连接" : "未连接";
      int cacheSize = queryCommandCache.size();

      // 统计不同状态的卡槽数量
      int noCardCount = 0;
      int hasCardCount = 0;
      Fkj[] slotArray = SlotManager.getSlotArray();
      if (slotArray != null) {
         for (Fkj slot : slotArray) {
            if (slot != null && "1".equals(slot.getHasCard())) {
               hasCardCount++;
            } else {
               noCardCount++;
            }
         }
      }

      return String.format("轮询状态: %s, 串口: %s, 间隔: %dms, 指令缓存: %d, 卡槽范围: %d-%d, 无卡: %d(100ms), 有卡: %d(10s)", 
            status, serialStatus, pollingInterval, cacheSize, MIN_SLOT, MAX_SLOT, 
            noCardCount, hasCardCount);
   }

   /**
    * 直接设置轮询暂停状态（供其他类调用）
    * @param paused true-暂停轮询, false-恢复轮询
    * @return true-设置成功, false-设置失败（如轮询未运行）
    */
   public static boolean setPollingPaused(boolean paused) {
      if (!isRunning) {
         //System.out.println("轮询查询未在运行，无法设置暂停状态");
         return false;
      }

      if (paused) {
         // 请求暂停
         if (!isPaused) {
            isPaused = true;
            //System.out.println("轮询查询已通过外部调用暂停");
            return true;
         } else {
            //System.out.println("轮询查询已经处于暂停状态");
            return false;
         }
      } else {
         // 请求恢复
         if (isPaused) {
            // 恢复前检查串口连接
            if (!checkSerialConnectionWithRetry()) {
               Errlog.logOperation("串口未连接，无法恢复轮询查询");
               return false;
            }

            isPaused = false;
            synchronized (lunxun.class) {
               lunxun.class.notifyAll(); // 唤醒等待的线程
            }
            //System.out.println("轮询查询已通过外部调用恢复");
            return true;
         } else {
            //System.out.println("轮询查询未处于暂停状态");
            return false;
         }
      }
   }

   /**
    * 获取性能统计信息
    */
   public static String getPerformanceStats() {
      long currentTime = System.currentTimeMillis();
      int overdueNoCard = 0;
      int overdueHasCard = 0;

      Fkj[] slotArray = SlotManager.getSlotArray();
      if (slotArray != null) {
         for (int i = 0; i < slotArray.length; i++) {
            Fkj slot = slotArray[i];
            if (slot != null) {
               int slotNumber = i + 1;
               Long lastQueryTime = lastQueryTimeMap.get(slotNumber);
               if (lastQueryTime != null) {
                  String hasCard = slot.getHasCard();
                  int queryInterval = "1".equals(hasCard) ? HAS_CARD_QUERY_INTERVAL : NO_CARD_QUERY_INTERVAL;
                  if (currentTime - lastQueryTime > queryInterval) {
                     if ("1".equals(hasCard)) {
                        overdueHasCard++;
                     } else {
                        overdueNoCard++;
                     }
                  }
               }
            }
         }
      }

      return String.format("查询指令缓存大小: %d, 轮询间隔: %dms, 超时无卡: %d, 超时有卡: %d", 
            queryCommandCache.size(), pollingInterval, overdueNoCard, overdueHasCard);
   }

   /**
    * 设置无卡卡槽查询间隔
    * @param interval 查询间隔（毫秒）
    */
   public static void setNoCardQueryInterval(int interval) {
      if (interval < 10) {
         Errlog.logOperation("无卡卡槽查询间隔不能小于10ms");
         return;
      }
      // 注意：这里只是设置常量，实际运行时需要重新启动轮询才能生效
      //System.out.println("无卡卡槽查询间隔已设置为: " + interval + "ms");
   }

   /**
    * 设置有卡卡槽查询间隔
    * @param interval 查询间隔（毫秒）
    */
   public static void setHasCardQueryInterval(int interval) {
      if (interval < 1000) {
         Errlog.logOperation("有卡卡槽查询间隔不能小于1000ms");
         return;
      }
      // 注意：这里只是设置常量，实际运行时需要重新启动轮询才能生效
      //System.out.println("有卡卡槽查询间隔已设置为: " + interval + "ms");
   }

   public static boolean isDEBUG_ENABLED() {
      return DEBUG_ENABLED;