wms-java/build/resources/main/mapper/app/TransdetailDao.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.gaotao.modules.finishedProduct.dao.TransdetailDao">


    <select id="getPickingPartNumber" resultType="java.lang.Double">

        select SUM(picked_qty) FROM picking_info WHERE order_no = #{orderNo} AND part_no=#{partNo}

    </select>
</mapper>