feat(face): 增加人脸识别计数功能

- 在 FaceConstant 中添加 FACE_RECOGNITION_COUNT_PFX 常量
- 在 FaceServiceImpl 中实现记录人脸识别次数的方法
- 使用 Redis 进行计数，并设置过期时间

src/main/java/com/ycwl/basic/constant/FaceConstant.java

@@ -4,4 +4,5 @@ public class FaceConstant {
     public static final String FACE_DB_NAME_PFX="face:db:";
     public static final String USER_FACE_DB_NAME="userFace";
     public static final String FACE_USER_URL_PFX="face:user:url:";
+    public static final String FACE_RECOGNITION_COUNT_PFX="face:recognition:count:";
 }

src/main/java/com/ycwl/basic/service/pc/impl/FaceServiceImpl.java

@@ -53,6 +53,7 @@ import com.ycwl.basic.task.VideoPieceGetter;
 import com.ycwl.basic.utils.*;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -65,8 +66,10 @@ import java.util.List;
 import java.util.Optional;
 import java.util.Random;
 import java.util.UUID;
+import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
+import static com.ycwl.basic.constant.FaceConstant.FACE_RECOGNITION_COUNT_PFX;
 import static com.ycwl.basic.constant.FaceConstant.USER_FACE_DB_NAME;
 import static com.ycwl.basic.constant.StorageConstant.USER_FACE;
 
@@ -110,6 +113,8 @@ public class FaceServiceImpl implements FaceService {
     private DeviceRepository deviceRepository;
     @Autowired
     private OrderMapper orderMapper;
+    @Autowired
+    private RedisTemplate<String, String> redisTemplate;
 
     @Override
     public ApiResponse<PageInfo<FaceRespVO>> pageQuery(FaceReqQuery faceReqQuery) {
@@ -251,6 +256,9 @@ public class FaceServiceImpl implements FaceService {
         
         log.debug("开始人脸匹配：faceId={}, isNew={}", faceId, isNew);
         
+        // 记录识别次数到Redis，设置2天过期时间
+        recordFaceRecognitionCount(faceId);
+        
         try {
             // 1. 数据准备：获取人脸信息、景区配置、适配器等
             FaceEntity face = faceRepository.getFace(faceId);
@@ -800,4 +808,31 @@ public class FaceServiceImpl implements FaceService {
             throw new BaseException("生成二维码失败");
         }
     }
+
+    /**
+     * 记录人脸识别次数到Redis
+     * 
+     * @param faceId 人脸ID
+     */
+    private void recordFaceRecognitionCount(Long faceId) {
+        if (faceId == null) {
+            return;
+        }
+        
+        try {
+            String redisKey = FACE_RECOGNITION_COUNT_PFX + faceId;
+            
+            // 使用Redis原子操作INCR增加计数
+            Long count = redisTemplate.opsForValue().increment(redisKey);
+            
+            // 设置2天过期时间（48小时）
+            redisTemplate.expire(redisKey, 2, TimeUnit.DAYS);
+            
+            log.debug("人脸识别计数更新：faceId={}, count={}", faceId, count);
+            
+        } catch (Exception e) {
+            // 计数失败不应影响主要业务逻辑，只记录错误日志
+            log.error("记录人脸识别次数失败：faceId={}", faceId, e);
+        }
+    }
 }