添加商品关联推荐

cash-common/cash-common-service/src/main/java/com/czg/product/dto/ProductDTO.java

@@ -1,12 +1,15 @@
 package com.czg.product.dto;
 
+import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.convert.Convert;
 import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONArray;
 import com.alibaba.fastjson2.annotation.JSONField;
 import com.czg.product.vo.ProductGroupVo;
 import com.czg.validator.group.DefaultGroup;
 import com.czg.validator.group.InsertGroup;
 import com.czg.validator.group.UpdateGroup;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.validation.constraints.*;
 import lombok.Data;
 
@@ -235,6 +238,12 @@ public class ProductDTO implements Serializable {
      * 是否可售时间 1-是 0-否
      */
     private Integer isSaleTime;
+    /**
+     * 相关推荐商品
+     */
+    private List<RelatedProductDTO> relatedRecommendJson;
+    @JsonIgnore
+    private String relatedRecommend;
 
     public Object getImages() {
         return JSON.parseArray(Convert.toStr(images, "[]"));
@@ -250,4 +259,16 @@ public class ProductDTO implements Serializable {
     public Object getGroupSnap() {
         return JSON.parseArray(Convert.toStr(groupSnap, "[]"));
     }
+
+    public String getRelatedRecommendStr() {
+        if (CollUtil.isNotEmpty(relatedRecommendJson)) {
+            JSONArray array = new JSONArray();
+            for (RelatedProductDTO relatedProductDTO : relatedRecommendJson) {
+                array.add(relatedProductDTO.getId());
+            }
+            return array.toJSONString();
+        }
+
+        return "[]";
+    }
 }

cash-common/cash-common-service/src/main/java/com/czg/product/dto/RelatedProductDTO.java

@@ -0,0 +1,31 @@
+package com.czg.product.dto;
+
+import lombok.Data;
+
+import java.io.Serial;
+import java.io.Serializable;
+
+/**
+ * 相关推荐 商品 DTO
+ *
+ * @author yjjie
+ * @date 2025/12/24 13:34
+ */
+@Data
+public class RelatedProductDTO implements Serializable {
+    @Serial
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 商品 ID
+     */
+    private Long id;
+    /**
+     * 商品名称
+     */
+    private String name;
+    /**
+     * 商品图片
+     */
+    private String coverImg;
+}

cash-common/cash-common-service/src/main/java/com/czg/product/entity/Product.java

@@ -142,6 +142,10 @@ public class Product implements Serializable {
 	* 退款是否退回库存
 	*/
 	private Integer isRefundStock;
+	/**
+	 * 相关推荐
+	 */
+	private String relatedRecommend;
 	/**
 	* 创建时间
 	*/

cash-common/cash-common-service/src/main/java/com/czg/product/service/ProductService.java

@@ -1,6 +1,7 @@
 package com.czg.product.service;
 
 import com.czg.product.dto.ProductDTO;
+import com.czg.product.dto.RelatedProductDTO;
 import com.czg.product.entity.Product;
 import com.czg.product.entity.ProductStockFlow;
 import com.czg.product.param.*;

cash-common/cash-common-service/src/main/java/com/czg/product/service/UProductService.java

@@ -1,5 +1,6 @@
 package com.czg.product.service;
 
+import com.czg.product.dto.RelatedProductDTO;
 import com.czg.product.entity.Product;
 import com.czg.product.param.ShopProductSkuParam;
 import com.czg.product.vo.ShopGroupProductVo;
@@ -95,4 +96,6 @@ public interface UProductService extends IService<Product> {
      * @return 是否可售时间 1-是，0-否
      */
     Integer calcIsSaleTime(String days, LocalTime startTime, LocalTime endTime);
+
+    List<ShopProductVo> queryProductRelatedList(Long productId);
 }