实现了商品删除功能

src/main/java/icu/sunway/ai_spring_example/Controllers/ProductController.java

@@ -48,6 +48,13 @@ public class ProductController {
         return ResponseEntity.success("商品修改成功");
     }
 
+    @DeleteMapping
+    public ResponseEntity delete(@RequestParam Long id) {
+        log.info("删除商品及关联规格: {}", id);
+        productService.deleteProduct(id);
+        return ResponseEntity.success("商品及关联规格删除成功");
+    }
+
     /**
      * 商品上下架
      */

src/main/java/icu/sunway/ai_spring_example/Mapper/ProductMapper.java

@@ -27,5 +27,5 @@ public interface ProductMapper extends BaseMapper<Product> {
             @Param("status") Integer status
     );
 
-    IPage<ProductListVO> selectProductPageByUser(Page<ProductListVO> pageInfo, Long categoryId, String name, Integer status);
+    IPage<ProductListVO> selectProductPageByUser(Page<ProductListVO> pageInfo, Long categoryId, String name, Integer status, @Param("userId") Long userId);
 }

src/main/java/icu/sunway/ai_spring_example/Service/Impl/ProductServiceImpl.java

@@ -50,17 +50,41 @@ public class ProductServiceImpl extends ServiceImpl<ProductMapper, Product> impl
 
         // 2. 保存商品规格
         List<ProductSku> skuList = new ArrayList<>();
-        for (ProductSkuDTO skuDTO : productDTO.getSkuList()) {
-            ProductSku sku = new ProductSku();
-            BeanUtils.copyProperties(skuDTO, sku);
-            sku.setProductId(product.getId()); // 设置商品ID关联
-            skuList.add(sku);
+        if(productDTO.getSkuList() != null){
+            for (ProductSkuDTO skuDTO : productDTO.getSkuList()) {
+                ProductSku sku = new ProductSku();
+                BeanUtils.copyProperties(skuDTO, sku);
+                sku.setProductId(product.getId()); // 设置商品ID关联
+                skuList.add(sku);
+            }
         }
         if (!skuList.isEmpty()) {
             productSkuMapper.batchInsert(skuList);
         }
     }
 
+    @Override
+    @Transactional // 保证事务一致性
+    public void deleteProduct(Long productId) {
+        // 1. 验证商品是否存在
+        Product product = baseMapper.selectById(productId);
+        if (product == null) {
+            throw new BusinessException("商品不存在");
+        }
+
+        // 2. 删除商品关联的所有规格
+        LambdaQueryWrapper<ProductSku> skuQueryWrapper = new LambdaQueryWrapper<>();
+        skuQueryWrapper.eq(ProductSku::getProductId, productId);
+        int skuDeleteCount = productSkuMapper.delete(skuQueryWrapper);
+        log.info("删除商品[{}]关联的规格数量: {}", productId, skuDeleteCount);
+
+        // 3. 删除商品本身（如果是逻辑删除会自动触发，物理删除则执行此操作）
+        int productDeleteCount = baseMapper.deleteById(productId);
+        if (productDeleteCount > 0) {
+            log.info("商品[{}]删除成功", productId);
+        }
+    }
+
     @Override
     @Transactional
     public void updateProduct(ProductDTO productDTO) {
@@ -112,7 +136,8 @@ public class ProductServiceImpl extends ServiceImpl<ProductMapper, Product> impl
                 pageInfo,
                 categoryId,
                 name,
-                status
+                status,
+                currentUserId  // 添加这个参数
         );
         return (Page<ProductListVO>) result;
     }

src/main/java/icu/sunway/ai_spring_example/Service/ProductService.java

@@ -58,4 +58,10 @@ public interface ProductService extends IService<Product> {
      * @param status 状态（0-下架，1-上架）
      */
     void updateStatus(Long id, Integer status);
+
+    /**
+     * 删除商品及关联规格
+     * @param productId 商品ID
+     */
+    void deleteProduct(Long productId);
 }