限制台桌选择人数

src/main/java/com/chaozhanggui/system/cashierservice/redis/RedisCst.java

@@ -32,6 +32,8 @@ public class RedisCst {
     public static final String SONG_PAY_LOCK = "song_pay_lock:";
     public static final String ORDER_PRINT_PRO = "ORDER_PRINT_PRODUCT:";
     public static final String ORDER_PRINT = "ORDER_PRINT:";
+    // 选择人数锁
+    public static final String CHOSE_TABLE_COUNT = "CHOSE_TABLE_COUNT";
 
     static final String CURRENT_TABLE_ORDER = "CURRENT_TABLE_ORDER:";
 

src/main/java/com/chaozhanggui/system/cashierservice/service/ProductService.java

@@ -32,6 +32,7 @@ import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
 
@@ -102,6 +103,8 @@ public class ProductService {
     private MpOrderInfoMapper mpOrderInfoMapper;
     @Autowired
     private RedisUtil redisUtil;
+    @Autowired
+    private StringRedisTemplate stringRedisTemplate;
 
     public ProductService(ShopUtils shopUtils) {
         this.shopUtils = shopUtils;
@@ -878,6 +881,7 @@ public class ProductService {
     }
 
     public TbCashierCart choseCount(ChoseCountDTO choseCountDTO) {
+        return Utils.runFunAndCheckKey(() -> {
             ShopEatTypeInfoDTO shopEatTypeInfoDTO = shopUtils.checkEatModel(choseCountDTO.getTableId(), choseCountDTO.getShopId());
 
             TbShopInfo shopInfo = tbShopInfoMapper.selectByPrimaryKey(choseCountDTO.getShopId());
@@ -945,6 +949,7 @@ public class ProductService {
             redisUtil.saveMessage(tableCartKey, jsonArray.toJSONString());
 
             return tbCashierCart;
+        }, stringRedisTemplate, RedisCst.getLockKey(RedisCst.CHOSE_TABLE_COUNT, choseCountDTO.getShopId(), choseCountDTO.getTableId()));
     }
 
     private TbCashierCart getSeatCartInfo(Object shopId, String tableId, Integer userId, ShopEatTypeInfoDTO shopEatTypeInfoDTO) {