- 添加一个搜索功能呢

order/order-service-impl/src/main/resources/mapper/OrderReturnMapper.xml

@@ -145,4 +145,14 @@
         <bind name="limitIndex" value="pageSize * (index - 1)"/>
         LIMIT #{limitIndex}, #{pageSize}
     </select>
+
+    <!--
+        查询 - 根据 id 查询
+    -->
+    <select id="selectById" resultType="cn.iocoder.mall.order.biz.dataobject.OrderReturnDO">
+        SELECT
+        <include refid="FIELDS"/>
+        FROM `order_return`
+        WHERE id = #{id}
+    </select>
 </mapper>