新增配送物料字段

优化u其他逻辑

src/main/resources/mybatis/information/MtdMapper.xml

@@ -45,6 +45,10 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         WHERE mid = #{materialCode}
     </select>
 
+    <select id="selectMtdByMid" resultMap="MtdResult">
+        SELECT * FROM mtd WHERE mid = #{mid} LIMIT 1
+    </select>
+
     <insert id="insertMtd" parameterType="Mtd" useGeneratedKeys="true" keyProperty="Id">
         insert into mtd
         <trim prefix="(" suffix=")" suffixOverrides=",">