add GaoProductStockBatchRequest

src/main/java/com/imyeyu/api/modules/gao/controller/GaoPackageConfigController.java

@@ -101,8 +101,8 @@ public class GaoPackageConfigController {
 		if (skuIdList.isEmpty()) {
 			return;
 		}
-		Map<String, GaoProductSku> skuMap = skuIdList.stream()
+		Map<String, GaoProductSku> skuMap = skuService.listByIdList(skuIdList).stream()
-			.collect(java.util.stream.Collectors.toMap(item -> item, skuService::detail));
+			.collect(java.util.stream.Collectors.toMap(GaoProductSku::getId, item -> item));
 		for (GaoPackageConfig config : configList) {
 			for (GaoPackageConfigItem item : config.getItemList()) {
 				item.setSku(skuMap.get(item.getSkuId()));

src/main/java/com/imyeyu/api/modules/gao/controller/GaoProductStockController.java

@@ -7,6 +7,7 @@ import com.imyeyu.api.modules.gao.entity.GaoProductStockRecord;
 import com.imyeyu.api.modules.gao.service.GaoProductStockService;
 import com.imyeyu.api.modules.gao.service.GaoProductStockRecordService;
 import com.imyeyu.api.modules.gao.service.GaoStoreScopeService;
+import com.imyeyu.api.modules.gao.vo.GaoProductStockBatchRequest;
 import com.imyeyu.api.modules.gao.vo.GaoProductStockChangeRequest;
 import com.imyeyu.api.modules.gao.vo.GaoProductStockManualRevokeRequest;
 import com.imyeyu.api.modules.gao.vo.GaoProductStockPage;
@@ -23,6 +24,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.List;
+
 /// GAO 产品库存接口
 ///
 /// @author Codex
@@ -64,6 +67,16 @@ public class GaoProductStockController {
 		return stockService.detail(storeScopeService.resolveStoreId(storeId), skuId);
 	}
 
+	@AOPLog
+	@RequestRateLimit
+	@RequireGaoPermission(GaoPermissionCode.PRODUCT_STOCK_READ)
+	@PostMapping("/batch-detail")
+	public List<GaoProductStock> batchDetail(@RequestBody GaoProductStockBatchRequest request) {
+		TimiException.required(request, "not found stock batch request");
+		request.setStoreId(storeScopeService.resolveStoreId(request.getStoreId()));
+		return stockService.batchDetail(request.getStoreId(), request.getSkuIdList());
+	}
+
 	@AOPLog
 	@RequestRateLimit
 	@RequireGaoPermission(GaoPermissionCode.PRODUCT_STOCK_CREATE)

src/main/java/com/imyeyu/api/modules/gao/mapper/GaoProductStockMapper.java

@@ -32,6 +32,9 @@ public interface GaoProductStockMapper extends BaseMapper<GaoProductStock, Strin
 	/// 按门店和产品查询库存余额
 	GaoProductStock selectByStoreIdAndSkuId(@Param("storeId") String storeId, @Param("skuId") String skuId);
 
+	/// 按门店和 SKU 批量查询库存余额
+	List<GaoProductStock> selectByStoreIdAndSkuIdList(@Param("storeId") String storeId, @Param("skuIdList") List<String> skuIdList);
+
 	/// 条件更新库存余额
 	int updateQuantity(@Param("id") String id, @Param("onHandDelta") java.math.BigDecimal onHandDelta, @Param("reservedDelta") java.math.BigDecimal reservedDelta, @Param("updatedBy") String updatedBy);
 

src/main/java/com/imyeyu/api/modules/gao/service/GaoProductStockService.java

@@ -26,6 +26,9 @@ public interface GaoProductStockService {
 	/// 查询库存余额详情
 	GaoProductStock detail(String storeId, String skuId);
 
+	/// 批量查询指定 SKU 库存余额
+	List<GaoProductStock> batchDetail(String storeId, List<String> skuIdList);
+
 	/// 期初入库
 	GaoProductStock initialIn(GaoProductStockChangeRequest request);
 

src/main/java/com/imyeyu/api/modules/gao/service/implement/GaoProductServiceImplement.java

@@ -8,7 +8,9 @@ import com.imyeyu.api.modules.gao.entity.GaoProductCategory;
 import com.imyeyu.api.modules.gao.entity.GaoProductSpec;
 import com.imyeyu.api.modules.gao.entity.GaoProductSpecValue;
 import com.imyeyu.api.modules.gao.entity.GaoProductSku;
+import com.imyeyu.api.modules.gao.entity.GaoProductStock;
 import com.imyeyu.api.modules.gao.mapper.GaoProductMapper;
+import com.imyeyu.api.modules.gao.mapper.GaoProductStockMapper;
 import com.imyeyu.api.modules.gao.service.GaoProductCategoryService;
 import com.imyeyu.api.modules.gao.service.GaoProductService;
 import com.imyeyu.api.modules.gao.service.GaoProductSkuService;
@@ -48,6 +50,7 @@ import java.util.stream.Collectors;
 public class GaoProductServiceImplement extends AbstractEntityService<GaoProduct, String> implements GaoProductService {
 
 	private final GaoProductMapper mapper;
+	private final GaoProductStockMapper stockMapper;
 	private final AttachmentService attachmentService;
 	private final ObjectProvider<GaoProductCategoryService> categoryServiceProvider;
 	private final ObjectProvider<GaoProductSkuService> skuServiceProvider;
@@ -120,6 +123,9 @@ public class GaoProductServiceImplement extends AbstractEntityService<GaoProduct
 		TimiException.required(request.getId(), "not found product.id");
 		GaoProduct product = get(request.getId());
 		TimiException.required(product, "not found product");
+		if (request.getProductType() == GaoProduct.ProductType.SERVICE && product.getProductType() != GaoProduct.ProductType.SERVICE) {
+			verifyNoReservedStock(product);
+		}
 		product.setCategoryId(request.getCategoryId());
 		product.setCode(TimiJava.defaultIfNull(request.getCode(), product.getCode()));
 		product.setName(TimiJava.defaultIfNull(request.getName(), product.getName()));
@@ -139,6 +145,19 @@ public class GaoProductServiceImplement extends AbstractEntityService<GaoProduct
 		}
 	}
 
+	private void verifyNoReservedStock(GaoProduct product) {
+		List<String> skuIdList = skuServiceProvider.getObject().listByProductId(product.getId()).stream()
+			.map(GaoProductSku::getId)
+			.filter(id -> id != null && !id.isBlank())
+			.toList();
+		if (skuIdList.isEmpty()) {
+			return;
+		}
+		boolean hasReservedStock = stockMapper.selectByStoreIdAndSkuIdList(product.getStoreId(), skuIdList).stream()
+			.anyMatch(stock -> stock.getReservedQuantity() != null && 0 < stock.getReservedQuantity().signum());
+		TimiException.requiredTrue(!hasReservedStock, "当前产品存在预占库存，不能切换为服务产品，请先完成或取消相关订单");
+	}
+
 	@OperationAudit(AuditOperation.GAO_PRODUCT_DISABLE)
 	@Transactional(TimiServerDBConfig.ROLLBACKER)
 	@Override

src/main/java/com/imyeyu/api/modules/gao/service/implement/GaoProductStockServiceImplement.java

@@ -68,7 +68,8 @@ public class GaoProductStockServiceImplement implements GaoProductStockService {
 		List<GaoProductStock> list = stockMapper.selectByQuery(page);
 		Map<String, Attachment> photoMap = attachmentService.mapFirstImageByIdList(
 			Attachment.BizType.GAO_PRODUCT_SKU,
-			list.stream().map(GaoProductStock::getSkuId).filter(id -> id != null && !id.isBlank()).toList()
+			list.stream().map(GaoProductStock::getSkuId).filter(id -> id != null && !id.isBlank()).toList(),
+			"PHOTO"
 		);
 		for (GaoProductStock stock : list) {
 			fillBalance(stock);
@@ -86,7 +87,17 @@ public class GaoProductStockServiceImplement implements GaoProductStockService {
 		TimiException.required(page, "not found stock product page");
 		PageResult<GaoProductStockProductView> result = new PageResult<>();
 		result.setTotal(stockMapper.countProductByQuery(page));
-		result.setList(stockMapper.selectProductByQuery(page));
+		List<GaoProductStockProductView> list = stockMapper.selectProductByQuery(page);
+		Map<String, Attachment> photoMap = attachmentService.mapFirstImageByIdList(
+			Attachment.BizType.GAO_PRODUCT,
+			list.stream().map(GaoProductStockProductView::getProductId).filter(id -> id != null && !id.isBlank()).toList(),
+			"PHOTO"
+		);
+		for (GaoProductStockProductView product : list) {
+			Attachment photo = photoMap.get(product.getProductId());
+			product.setAttachmentList(photo == null ? List.of() : List.of(photo));
+		}
+		result.setList(list);
 		return result;
 	}
 
@@ -111,6 +122,27 @@ public class GaoProductStockServiceImplement implements GaoProductStockService {
 		return stock;
 	}
 
+	@Override
+	public List<GaoProductStock> batchDetail(String storeId, List<String> skuIdList) {
+		TimiException.required(storeId, "not found storeId");
+		storeScopeService.checkStoreId(storeId);
+		if (skuIdList == null || skuIdList.isEmpty()) {
+			return List.of();
+		}
+		List<String> normalizedSkuIdList = skuIdList.stream()
+			.filter(value -> value != null && !value.isBlank())
+			.distinct()
+			.toList();
+		if (normalizedSkuIdList.isEmpty()) {
+			return List.of();
+		}
+		List<GaoProductStock> result = stockMapper.selectByStoreIdAndSkuIdList(storeId, normalizedSkuIdList);
+		for (GaoProductStock stock : result) {
+			fillBalance(stock);
+		}
+		return result;
+	}
+
 	@OperationAudit(AuditOperation.GAO_PRODUCT_STOCK_INITIAL_IN)
 	@Transactional(TimiServerDBConfig.ROLLBACKER)
 	@Override

src/main/java/com/imyeyu/api/modules/gao/vo/GaoProductStockBatchRequest.java

@@ -0,0 +1,19 @@
+package com.imyeyu.api.modules.gao.vo;
+
+import lombok.Data;
+
+import java.util.List;
+
+/// GAO 产品库存批量查询请求
+///
+/// @author Codex
+/// @since 2026-09-16
+@Data
+public class GaoProductStockBatchRequest {
+
+	/// 门店 ID
+	private String storeId;
+
+	/// SKU ID 列表
+	private List<String> skuIdList;
+}

src/main/java/com/imyeyu/api/modules/gao/vo/GaoProductStockProductView.java

@@ -1,9 +1,11 @@
 package com.imyeyu.api.modules.gao.vo;
 
+import com.imyeyu.api.modules.common.entity.Attachment;
 import com.imyeyu.api.modules.gao.entity.GaoProduct;
 import lombok.Data;
 
 import java.math.BigDecimal;
+import java.util.List;
 
 /// 产品库存第一层汇总视图
 ///
@@ -21,6 +23,9 @@ public class GaoProductStockProductView {
 	/// 产品名称
 	private String productName;
 
+	/// 产品图片
+	private List<Attachment> attachmentList;
+
 	/// 产品类型
 	private GaoProduct.ProductType productType;
 

src/main/resources/mapper/timi-server/gao/GaoProductStockMapper.xml

@@ -10,6 +10,25 @@
 		SELECT * FROM `gao_product_stock`
 		WHERE `store_id` = #{storeId} AND `sku_id` = #{skuId}
 	</select>
+	<select id="selectByStoreIdAndSkuIdList" resultType="com.imyeyu.api.modules.gao.entity.GaoProductStock">
+		SELECT s.`id`,
+			k.`store_id`,
+			k.`id` AS `sku_id`,
+			COALESCE(s.`on_hand_quantity`, 0) AS `on_hand_quantity`,
+			COALESCE(s.`reserved_quantity`, 0) AS `reserved_quantity`,
+			s.`updated_by`,
+			s.`created_at`,
+			s.`updated_at`
+		FROM `gao_product_sku` k
+		JOIN `gao_product` p ON p.`id` = k.`product_id`
+		LEFT JOIN `gao_product_stock` s ON s.`sku_id` = k.`id` AND s.`store_id` = #{storeId}
+		WHERE k.`store_id` = #{storeId}
+			AND p.`deleted_at` IS NULL AND k.`deleted_at` IS NULL
+			AND k.`id` IN
+			<foreach collection="skuIdList" item="skuId" open="(" separator="," close=")">
+				#{skuId}
+			</foreach>
+	</select>
 	<select id="countByQuery" resultType="long">
 		SELECT COUNT(1)
 		FROM `gao_product_sku` k