添加广告投放管理的接口：立刻进行一次统计——用于测试

ruoyi-demo/src/main/resources/mapper/demo/ExposureMapper.xml

@@ -10,9 +10,11 @@
         FROM
             `dl_exposure`
         <where>
-            <foreach collection="itemIds" item="id" open="WHERE item_id in (" separator="," close=")">
-                #{id,jdbcType=VARCHAR}
-            </foreach>
+            <if test="itemIds != null">
+                <foreach collection="itemIds" item="id" open="item_id in (" separator="," close=")">
+                    #{id,jdbcType=VARCHAR}
+                </foreach>
+            </if>
         </where>
     </select>
 </mapper>