商品券

src/main/resources/mapper/TbCouponProductMapper.xml

@@ -68,6 +68,14 @@
         group by tb_coupon_product.product_id
     </select>
 
+    <select id="queryProInfoByActivateId" resultType="com.chaozhanggui.system.cashierservice.entity.TbCouponProduct" >
+        select tb_coupon_product.*,tb_product name as proName,tb_product.cover_img as proImg SUM(tb_coupon_product.num)*#{num} as num
+        from tb_coupon_product
+                 LEFT JOIN tb_product ON tb_coupon_product.product_id = tb_product.id
+        where coupon_id = #{couponId}
+        group by tb_coupon_product.product_id
+    </select>
+
     <!--新增所有列-->
     <insert id="insert" keyProperty="id" useGeneratedKeys="true">
         insert into tb_coupon_product(coupon_id, product_id, num, create_time, update_time)