mec/mec-biz/src/main/resources/config/mybatis/ClassGroupTeacherMapperMapper.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">
<!-- 这个文件是自动生成的。 不要修改此文件。所有改动将在下次重新自动生成时丢失。 -->
<mapper namespace="com.ym.mec.biz.dal.dao.ClassGroupTeacherMapperDao">

    <resultMap type="com.ym.mec.biz.dal.entity.ClassGroupTeacherMapper"
               id="ClassGroupTeacherMapper">
        <result column="id_" property="id"/>
        <result column="music_group_id_" property="musicGroupId"/>
        <result column="class_group_id_" property="classGroupId"/>
        <result column="teacher_role_" property="teacherRole"/>
        <result column="username_" property="userName"/>
        <result column="user_id_" property="userId"/>
        <result column="salary_" property="salary"/>
        <result column="create_time_" property="createTime"/>
        <result column="update_time_" property="updateTime"/>
    </resultMap>

    <!-- 根据主键查询一条记录 -->
    <select id="get" resultMap="ClassGroupTeacherMapper">
        SELECT *
        FROM class_group_teacher_mapper WHERE id_ = #{id}
    </select>

    <!-- 全查询 -->
    <select id="findAll" resultMap="ClassGroupTeacherMapper">
        SELECT *
        FROM class_group_teacher_mapper
        ORDER BY id_
    </select>

    <!-- 向数据库增加一条记录 -->
    <insert id="insert" parameterType="com.ym.mec.biz.dal.entity.ClassGroupTeacherMapper"
            useGeneratedKeys="true" keyColumn="id" keyProperty="id">
        <!-- <selectKey resultClass="int" keyProperty="id" > SELECT SEQ_WSDEFINITION_ID.nextval
            AS ID FROM DUAL </selectKey> -->
        INSERT INTO class_group_teacher_mapper
        (id_,music_group_id_,class_group_id_,teacher_role_,user_id_,salary_,create_time_,update_time_)
        VALUES(#{id},#{musicGroupId},#{classGroupId},#{teacherRole},#{userId},#{salary},#{createTime},#{updateTime})
    </insert>

    <!-- 根据主键查询一条记录 -->
    <update id="update" parameterType="com.ym.mec.biz.dal.entity.ClassGroupTeacherMapper">
        UPDATE class_group_teacher_mapper
        <set>
            <if test="userId != null">
                user_id_ = #{userId},
            </if>
            <if test="id != null">
                id_ = #{id},
            </if>
            <if test="classGroupId != null">
                class_group_id_ = #{classGroupId},
            </if>
            <if test="salary != null">
                salary_ = #{salary},
            </if>
            <if test="updateTime != null">
                update_time_ = #{updateTime},
            </if>
            <if test="teacherRole != null">
                teacher_role_ = #{teacherRole},
            </if>
            <if test="musicGroupId != null">
                music_group_id_ = #{musicGroupId},
            </if>
            <if test="createTime != null">
                create_time_ = #{createTime},
            </if>
        </set>
        WHERE id_ = #{id}
    </update>

    <!-- 根据主键删除一条记录 -->
    <delete id="delete">
        DELETE FROM class_group_teacher_mapper WHERE
        id_ = #{id}
    </delete>

    <!-- 分页查询 -->
    <select id="queryPage" resultMap="ClassGroupTeacherMapper"
            parameterType="map">
        SELECT * FROM class_group_teacher_mapper ORDER BY id_
        <include refid="global.limit"/>
    </select>

    <!-- 查询当前表的总记录数 -->
    <select id="queryCount" resultType="int">
        SELECT COUNT(*)
        FROM class_group_teacher_mapper
    </select>

    <!-- 批量插入班级老师 -->
    <insert id="classGroupTeachersInsert" parameterType="java.util.List">
        INSERT INTO class_group_teacher_mapper
        (id_,music_group_id_,class_group_id_,teacher_role_,user_id_,salary_,create_time_,update_time_)
        <foreach collection="classGroupTeacherMapperList" item="item" index="index" separator=",">
            (#{item.id},#{item.musicGroupId},#{item.classGroupId},#{item.teacherRole},#{item.userId},#{item.salary},#{item.createTime},#{item.updateTime})
        </foreach>
    </insert>

    <!-- 获取乐团班级的老师 -->
    <select id="findClassGroupTeachers" resultMap="ClassGroupTeacherMapper">
        SELECT u.username_, ct.*
        FROM sys_user u,
        class_group_teacher_mapper ct
        WHERE class_group_id_ IN
        <foreach collection="classGroupList" item="classGroup" index="index" open="(" close=")" separator=",">
            #{classGroup.id}
        </foreach>
    </select>
</mapper>