kg/target/classes/mapping/MajorDao.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.zglc.kg.dao.MajorDao">

	<!-- 可根据自己的需求，是否要使用 -->
    <resultMap type="com.zglc.kg.entity.MajorEntity" id="userMap">
        <result property="id" column="id"/>
        <result property="major" column="major"/>
        <result property="mark" column="mark"/>
    </resultMap>

    <select id="listAll" resultMap="userMap">
        select id,major,mark
        from t_major
        where id > 0
    </select>

    <select id="getCount" resultType="java.lang.Integer">
        select count(1)
        from t_major
        where id > 1
    </select>

<!--    <insert id="batchAdd" parameterType="java.util.List">-->
<!--        <foreach collection="list" item="equ" separator=";">-->
<!--            insert into t_equipment (equipment_type)-->
<!--            SELECT #{equ.equipment_type}-->
<!--            FROM DUAL WHERE NOT EXISTS (SELECT equipment_type FROM  t_equipment WHERE equipment_type = #{equ.equipment_type})-->
<!--        </foreach>-->
<!--    </insert>-->

<!--    <select id="findByName" parameterType="String" resultMap="userMap">-->
<!--        select id,equipment_name,equipment_type, equipment_time, retirement_time,mark from t_equipment where equipment_type-->
<!--        like #{name}-->
<!--    </select>-->

</mapper>