在线商城修改

pjcloud-supermarket/pjcloud-supermarket-api/src/main/java/com/bsd/pjcloud/supermarket/entity/ShopSkuEntity.java

@@ -116,4 +116,10 @@ public class ShopSkuEntity extends Model<ShopSkuEntity> {
 
 	@Schema(description="版本号")
 	private Integer version;
+
+	/**
+	 * 销量
+	 */
+	@Schema(description="销量")
+	private Integer salesCount;
 }

pjcloud-supermarket/pjcloud-supermarket-api/src/main/java/com/bsd/pjcloud/supermarket/vo/app/ShopSpuListAppVo.java

@@ -46,7 +46,7 @@ public class ShopSpuListAppVo {
     /**
      * 总库存
      */
-    @Schema(description="总库存")
-    private Double totalStock;
+    @Schema(description="总销量")
+    private Double salesCount;
 
 } 

pjcloud-supermarket/pjcloud-supermarket-biz/src/main/java/com/bsd/pjcloud/supermarket/controller/AppShopSpuController.java

@@ -60,13 +60,13 @@ public class AppShopSpuController {
                     .map(price -> new java.math.BigDecimal(price).divide(new java.math.BigDecimal(100)))
                     .min(java.math.BigDecimal::compareTo)
                     .orElse(java.math.BigDecimal.ZERO));
-            vo.setTotalStock(
-                    skus.stream()
-                            .map(ShopSkuEntity::getStock)
-                            .filter(java.util.Objects::nonNull)
-                            .mapToDouble(Double::doubleValue)
-                            .sum()
-            );
+//            vo.setTotalStock(
+//                    skus.stream()
+//                            .map(ShopSkuEntity::gets)
+//                            .filter(java.util.Objects::nonNull)
+//                            .mapToDouble(Double::doubleValue)
+//                            .sum()
+//            );
             return vo;
         });
         return R.ok(voPage);

pjcloud-supermarket/pjcloud-supermarket-biz/src/main/java/com/bsd/pjcloud/supermarket/mapper/ShopSpuMapper.java

@@ -8,4 +8,9 @@ import org.apache.ibatis.annotations.Mapper;
 public interface ShopSpuMapper extends PjcloudBaseMapper<ShopSpuEntity> {
 
 
+    /**
+     * 修改销量
+     * @param num
+     */
+    void updateSalesCount(Long spuId,Integer num);
 }

pjcloud-supermarket/pjcloud-supermarket-biz/src/main/java/com/bsd/pjcloud/supermarket/service/impl/ShopSkuServiceImpl.java

@@ -1,9 +1,12 @@
 package com.bsd.pjcloud.supermarket.service.impl;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.bsd.pjcloud.supermarket.entity.ShopSkuEntity;
 import com.bsd.pjcloud.supermarket.mapper.ShopSkuMapper;
+import com.bsd.pjcloud.supermarket.mapper.ShopSpuMapper;
 import com.bsd.pjcloud.supermarket.service.ShopSkuService;
+import lombok.AllArgsConstructor;
 import org.springframework.stereotype.Service;
 /**
  * sku
@@ -12,7 +15,10 @@ import org.springframework.stereotype.Service;
  * @date 2025-06-19 12:43:40
  */
 @Service
+@AllArgsConstructor
 public class ShopSkuServiceImpl extends ServiceImpl<ShopSkuMapper, ShopSkuEntity> implements ShopSkuService {
+
+    private final ShopSpuMapper shopSpuMapper;
     /**
      * 修改库存（乐观锁）
      * 正数：增加库存，负数：扣减库存
@@ -24,7 +30,15 @@ public class ShopSkuServiceImpl extends ServiceImpl<ShopSkuMapper, ShopSkuEntity
             if (sku == null) return false;
             // 扣减时判断库存是否足够
             if (num < 0 && sku.getStock() < -num) return false;
+            LambdaQueryWrapper<ShopSkuEntity> shopSkuEntityLambdaQueryWrapper = new LambdaQueryWrapper<>();
+            shopSkuEntityLambdaQueryWrapper.eq(ShopSkuEntity::getId, skuId);
+            ShopSkuEntity shopSkuEntity = baseMapper.selectOne(shopSkuEntityLambdaQueryWrapper);
+            if (null==shopSkuEntity){
+                return false;
+            }
             int updated = baseMapper.deductStock(skuId, num, sku.getVersion());
+            //更新spu已售总数
+            shopSpuMapper.updateSalesCount(shopSkuEntity.getSpuId(),num);
             if (updated > 0) return true;
         }
         return false;

pjcloud-supermarket/pjcloud-supermarket-biz/src/main/resources/mapper/ShopSkuMapper.xml

@@ -22,11 +22,12 @@
         <result property="delFlag" column="del_flag"/>
         <result property="tenantId" column="tenant_id"/>
         <result property="version" column="version"/>
+        <result property="salesCount" column="sales_count"/>
   </resultMap>
 
   <update id="deductStock">
         UPDATE shop_sku
-        SET stock = stock + #{num}, version = version + 1
+        SET stock = stock + #{num}, version = version + 1,sales_count=sales_count+#{num}
         WHERE id = #{skuId} AND stock + #{num} &gt;= 0 AND version = #{version}
   </update>
 </mapper>

pjcloud-supermarket/pjcloud-supermarket-biz/src/main/resources/mapper/ShopSpuMapper.xml

@@ -28,4 +28,9 @@
         <result property="delFlag" column="del_flag"/>
         <result property="tenantId" column="tenant_id"/>
   </resultMap>
+    <update id="updateSalesCount">
+          UPDATE shop_spu
+          SET sales_count=sales_count+#{num}
+          WHERE id = #{spuId}
+    </update>
 </mapper>