klp-oa/klp-wms/src/main/resources/mapper/klp/WmsStockMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.klp.mapper.WmsStockMapper">

    <resultMap type="com.klp.domain.WmsStock" id="WmsStockResult">
        <result property="stockId" column="stock_id"/>
        <result property="warehouseId" column="warehouse_id"/>
        <result property="itemType" column="item_type"/>
        <result property="itemId" column="item_id"/>
        <result property="batchNo" column="batch_no"/>
        <result property="remark" column="remark"/>
        <result property="delFlag" column="del_flag"/>
        <result property="createTime" column="create_time"/>
        <result property="createBy" column="create_by"/>
        <result property="updateTime" column="update_time"/>
        <result property="updateBy" column="update_by"/>
    </resultMap>

    <select id="getStockByItemId" resultType="java.math.BigDecimal">
        select sum(quantity) as quantity from wms_stock
        where item_id = #{rawMaterialId} and item_type = 'raw_material' and del_flag = 0
    </select>

    <!-- 分页联查物品名称和编码，支持Wrapper动态条件，返回Page<WmsStockVo> -->
    <select id="selectVoPagePlus" resultType="com.klp.domain.vo.WmsStockVo">
        SELECT
            s.*,
            w.warehouse_name,
            CASE
                WHEN s.item_type = 'product' THEN p.product_name
                WHEN s.item_type = 'raw_material' THEN r.raw_material_name
                ELSE NULL
            END AS itemName,
            CASE
                WHEN s.item_type = 'product' THEN p.product_code
                WHEN s.item_type = 'raw_material' THEN r.raw_material_code
                ELSE NULL
            END AS itemCode,
            (SELECT COUNT(*) 
             FROM wms_material_coil mc 
             WHERE mc.item_type = s.item_type 
               AND mc.item_id = s.item_id 
               AND mc.del_flag = 0) AS totalQuantity
        FROM wms_stock s
        LEFT JOIN wms_product p ON s.item_type = 'product' AND s.item_id = p.product_id and p.del_flag = 0
        LEFT JOIN wms_raw_material r ON s.item_type = 'raw_material' AND s.item_id = r.raw_material_id and r.del_flag = 0
        left join wms_warehouse w on s.warehouse_id = w.warehouse_id and w.del_flag = 0
        ${ew.customSqlSegment}
    </select>

    <!-- 按仓库统计库存分布 -->
    <select id="selectStockDistribution" resultType="com.klp.domain.vo.WmsStockVo">
        SELECT
            mc.warehouse_id AS warehouseId,
            w.warehouse_name AS warehouseName,
            COUNT(*) AS totalQuantity,
            mc.item_type AS itemType,
            mc.item_id AS itemId
        FROM wms_material_coil mc
        INNER JOIN wms_warehouse w ON mc.warehouse_id = w.warehouse_id AND w.del_flag = 0
        WHERE mc.item_type = #{itemType}
          AND mc.item_id = #{itemId}
          AND mc.del_flag = 0
          AND mc.data_type = 1
        GROUP BY mc.warehouse_id, w.warehouse_name, mc.item_type, mc.item_id
        ORDER BY totalQuantity DESC
    </select>

</mapper>