stu-man/ruoyi-system/src/main/resources/mapper/department/StuClassMapper.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.ruoyi.system.mapper.StuClassMapper">

    <resultMap type="StuClass" id="StuClassResult">
        <result property="id"    column="id"    />
        <result property="professionId"    column="profession_id"    />
        <result property="professionName"    column="profession_name"    />

        <result property="departmentId"    column="department_id"    />
        <result property="departmentName"    column="department_name"    />

        <result property="collegeId"    column="college_id"    />
        <result property="collegeName"    column="college_name"    />

        <result property="className"    column="class_name"    />
        <result property="classTeacher"    column="class_teacher"    />
        <result property="grade"    column="grade"    />
        <result property="graduationStatus"    column="graduation_status"    />
        <result property="remark"    column="remark"    />
        <result property="createBy"    column="create_by"    />
        <result property="createTime"    column="create_time"    />
        <result property="updateBy"    column="update_by"    />
        <result property="updateTime"    column="update_time"    />
    </resultMap>

    <sql id="selectStuClassVo">
        select cl.id, cl.profession_id,p.profession_name,p.department_id,d.department_name,d.college_id,co.college_name, cl.class_name, cl.class_teacher, cl.grade, cl.graduation_status, cl.remark, cl.create_by, cl.create_time, cl.update_by, cl.update_time from stu_class cl
    </sql>

    <select id="selectStuClassList" parameterType="StuClass" resultMap="StuClassResult">
        <include refid="selectStuClassVo"/>
        LEFT JOIN stu_profession p ON cl.profession_id = p.id
        LEFT JOIN stu_department d ON p.department_id = d.id
        LEFT JOIN stu_college co ON d.college_id = co.id
        <where>
            <if test="professionId != null "> and profession_id = #{professionId}</if>
            <if test="className != null  and className != ''"> and class_name like concat('%', #{className}, '%')</if>
            <if test="classTeacher != null  and classTeacher != ''"> and class_teacher like concat('%',#{classTeacher}, '%')</if>
            <if test="grade != null "> and grade = #{grade}</if>
            <if test="graduationStatus != null "> and graduation_status = #{graduationStatus}</if>
            <if test="delStatus != null "> and cl.del_status = #{delStatus}</if>
        </where>
        order by update_time desc
    </select>

    <select id="selectStuClassById" parameterType="Long" resultMap="StuClassResult">
        <include refid="selectStuClassVo"/>
        LEFT JOIN stu_profession p ON cl.profession_id = p.id
        LEFT JOIN stu_department d ON p.department_id = d.id
        LEFT JOIN stu_college co ON d.college_id = co.id
        where cl.id = #{id}
    </select>

    <insert id="insertStuClass" parameterType="StuClass">
        insert into stu_class
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="id != null">id,</if>
            <if test="professionId != null">profession_id,</if>
            <if test="className != null">class_name,</if>
            <if test="classTeacher != null">class_teacher,</if>
            <if test="grade != null">grade,</if>
            <if test="graduationStatus != null">graduation_status,</if>
            <if test="remark != null">remark,</if>
            <if test="delStatus != null">del_status,</if>
            <if test="createBy != null">create_by,</if>
            <if test="createTime != null">create_time,</if>
            <if test="updateBy != null">update_by,</if>
            <if test="updateTime != null">update_time,</if>
         </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
            <if test="id != null">#{id},</if>
            <if test="professionId != null">#{professionId},</if>
            <if test="className != null">#{className},</if>
            <if test="classTeacher != null">#{classTeacher},</if>
            <if test="grade != null">#{grade},</if>
            <if test="graduationStatus != null">#{graduationStatus},</if>
            <if test="remark != null">#{remark},</if>
            <if test="delStatus != null">#{delStatus},</if>
            <if test="createBy != null">#{createBy},</if>
            <if test="createTime != null">#{createTime},</if>
            <if test="updateBy != null">#{updateBy},</if>
            <if test="updateTime != null">#{updateTime},</if>
         </trim>
    </insert>

    <update id="updateStuClass" parameterType="StuClass">
        update stu_class
        <trim prefix="SET" suffixOverrides=",">
            <if test="professionId != null">profession_id = #{professionId},</if>
            <if test="className != null">class_name = #{className},</if>
            <if test="classTeacher != null">class_teacher = #{classTeacher},</if>
            <if test="grade != null">grade = #{grade},</if>
            <if test="graduationStatus != null">graduation_status = #{graduationStatus},</if>
            <if test="remark != null">remark = #{remark},</if>
            <if test="delStatus != null">del_status = #{delStatus},</if>
            <if test="createBy != null">create_by = #{createBy},</if>
            <if test="createTime != null">create_time = #{createTime},</if>
            <if test="updateBy != null">update_by = #{updateBy},</if>
            <if test="updateTime != null">update_time = #{updateTime},</if>
        </trim>
        where id = #{id}
    </update>

    <delete id="deleteStuClassById" parameterType="Long">
        delete from stu_class where id = #{id}
    </delete>

    <delete id="deleteStuClassByIds" parameterType="String">
        delete from stu_class where id in
        <foreach item="id" collection="array" open="(" separator="," close=")">
            #{id}
        </foreach>
    </delete>

    <!-- 根据专业id查询班级列表 -->
    <select id="queryList" parameterType="Long" resultType="Map">
       SELECT id,class_name AS className FROM stu_class WHERE del_status=0 AND profession_id=#{professionId}
    </select>

</mapper>