UniversityMajorMapper.xml
1.5 KB
<?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.sincere.student.mapper.UniversityMajorMapper">
<resultMap id="UniversityMajorMap" type="com.sincere.student.model.UniversityMajor">
<result column="university_id" property="universityId"/>
<result column="major_id" property="majorId"/>
</resultMap>
<insert id="insertBatch" parameterType="java.util.List">
insert into university_relate_major ( university_id , major_id)
values
<foreach collection="list" item="emp" separator=",">
(#{emp.universityId,jdbcType=INTEGER}, #{emp.majorId,jdbcType=INTEGER})
</foreach>
</insert>
<delete id="deleteByUniversityId" parameterType="java.lang.Integer">
delete university_relate_major where university_id = #{universityId}
</delete>
<select id="selectUniversityMajor" parameterType="java.lang.Integer" resultType="java.lang.String" >
select m.major from university_relate_major r
join university_major m on m.id = r.major_id
where r.university_id = #{id}
</select>
<select id="selectIdByMajor" parameterType="java.util.Map" resultType="java.lang.Integer">
select m.id from university_info info join university_relate_major rm on info.id=rm.university_id
join university_major m on rm.major_id = m.id
where m.major = #{major} and info.id = #{id}
</select>
</mapper>