会员商品 添加购物车 记录

src/main/resources/mapper/TbActivateProductMapper.xml

@@ -58,6 +58,15 @@ id, activate_id, product_id, num, create_time, update_time  </sql>
         activate_id = #{activateId}
     </select>
 
+    <select id="queryProsByActivateId" resultType="java.lang.String">
+        select
+            CONCAT(tb_product.name, '*', SUM(tb_activate_product.num))
+        from tb_activate_product
+                 LEFT JOIN tb_product ON tb_activate_product.product_id = tb_product.id
+        where
+            activate_id = #{activateId}
+    </select>
+
 
     <!--新增所有列-->
     <insert id="insert" keyProperty="id" useGeneratedKeys="true">