后端：增加商品修改时，发送 MQ 消息

后端：增加搜索服务，监听 MQ 消息，建立商品索引

product/product-service-impl/src/main/resources/config/application.yaml

@@ -22,4 +22,11 @@ dubbo:
     port: -1
     name: dubbo
   scan:
-    base-packages: cn.iocoder.mall.product.service
+    base-packages: cn.iocoder.mall.product.service
+
+
+# rocketmq
+rocketmq:
+  name-server: 127.0.0.1:9876
+  producer:
+    group: product-producer-group

product/product-service-impl/src/main/resources/mapper/ProductCategoryMapper.xml

@@ -32,6 +32,17 @@
         AND deleted = 0
     </select>
 
+    <select id="selectByIds" resultType="ProductCategoryDO">
+        SELECT
+            <include refid="FIELDS" />
+        FROM product_category
+        WHERE id IN
+            <foreach collection="ids" item="id" separator="," open="(" close=")">
+                #{id}
+            </foreach>
+        AND deleted = 0
+    </select>
+
     <insert id="insert" parameterType="ProductCategoryDO" useGeneratedKeys="true" keyColumn="id" keyProperty="id">
         INSERT INTO product_category (
           pid, name, description, pic_url, sort,
@@ -70,4 +81,4 @@
         WHERE id = #{id}
     </update>
 
-</mapper>
+</mapper>