feat(wms): 新增发货计划统计功能

- 在 IWmsDeliveryPlanService 接口中新增 getDeliveryPlanStatistics 方法
- 在 WmsDeliveryPlanController 中添加 /statistics 接口用于获取统计信息
- 在 WmsDeliveryPlanMapper 中新增 selectDeliveryPlanStatistics 查询方法
- 在 WmsDeliveryPlanMapper.xml 中编写对应的 SQL 查询语句
- 在 WmsDeliveryPlanServiceImpl 中实现统计方法调用 Mapper 层
- 新增 WmsDeliveryPlanStatisticsVo 类用于封装统计结果数据
- 引入相关类导入依赖以支持新功能开发

klp-wms/src/main/resources/mapper/klp/WmsDeliveryPlanMapper.xml

@@ -16,5 +16,46 @@
         <result property="updateBy" column="update_by"/>
     </resultMap>
 
+    <select id="selectDeliveryPlanStatistics" resultType="com.klp.domain.vo.WmsDeliveryPlanStatisticsVo">
+        SELECT
+        dp.plan_id as planId,
+        dp.plan_name as planName,
+        COUNT(DISTINCT dw.waybill_id) as waybillCount,
+        COALESCE(SUM(completed_waybills.completed_count), 0) as completedWaybillCount,
+        COALESCE(SUM(detail_stats.total_coil_count), 0) as totalCoilCount,
+        COALESCE(SUM(detail_stats.total_weight), 0) as totalWeight,
+        CASE
+        WHEN COUNT(DISTINCT dw.waybill_id) > 0 THEN
+        ROUND((COALESCE(SUM(completed_waybills.completed_count), 0) * 100.0) / COUNT(DISTINCT dw.waybill_id), 2)
+        ELSE 0
+        END as completionRate
+        FROM wms_delivery_plan dp
+        LEFT JOIN wms_delivery_waybill dw ON dp.plan_id = dw.plan_id AND dw.del_flag = 0
+        LEFT JOIN (
+        SELECT
+        waybill_id,
+        COUNT(*) as total_coil_count,
+        SUM(weight/1000.0) as total_weight
+        FROM wms_delivery_waybill_detail
+        WHERE del_flag = 0
+        GROUP BY waybill_id
+        ) detail_stats ON dw.waybill_id = detail_stats.waybill_id
+        LEFT JOIN (
+        SELECT
+        plan_id,
+        COUNT(*) as completed_count
+        FROM wms_delivery_waybill
+        WHERE status = 2 AND del_flag = 0
+        GROUP BY plan_id
+        ) completed_waybills ON dp.plan_id = completed_waybills.plan_id
+        WHERE dp.del_flag = 0
+        <if test="planId != null">
+            AND dp.plan_id = #{planId}
+        </if>
+        GROUP BY dp.plan_id, dp.plan_name
+        ORDER BY dp.create_time DESC
+    </select>
+
+
 
 </mapper>