Student-Attendance-Management/target/classes/mapper/CurriculumMapper.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.lxq.model.dao.CurriculumDAO">

    <select id="getAllCurriculum" resultType="com.lxq.model.object.Curriculum">
        select * from curriculum
        <where>
            <if test="id !=null">
                and id = #{id}
            </if>
    
            <if test="curriculumName !=null">
                and curriculumName like CONCAT('%', #{curriculumName}, '%')
            </if>
            <if test="introduce !=null">
                and introduce like CONCAT('%', #{introduce}, '%')
            </if>
            <if test="place !=null">
                and place like CONCAT('%', #{place}, '%')
            </if>
            <if test="teacherId !=null">
                and teacherId like CONCAT('%', #{teacherId}, '%')
            </if>
            <if test="timeStart !=null">
                and timeStart = #{timeStart}
            </if>
            <if test="timeEndNum !=null">
                and timeEndNum = #{timeEndNum}
            </if>
            <if test="timeStartNum !=null">
                and timeStartNum = #{timeStartNum}
            </if>
            <if test="timeEnd !=null">
                and timeEnd = #{timeEnd}
            </if>
            <if test="timeLength !=null">
                and timeLength = #{timeLength}
            </if>
            <if test="userNum !=null">
                and userNum = #{userNum}
            </if>
            <if test="joinUserNum !=null">
                and joinUserNum = #{joinUserNum}
            </if>
        </where>
        ORDER BY `curriculum`.`joinUserNum` ASC
    </select>

    <select id="getCurriculum" resultType="com.lxq.model.object.Curriculum">
        select * from curriculum
        <where>
            <if test="id !=null">
                and id = #{id}
            </if>
            <if test="teacherId !=null">
                and teacherId like CONCAT('%', #{teacherId}, '%')
            </if>
            <if test="curriculumName !=null">
                and curriculumName like CONCAT('%', #{curriculumName}, '%')
            </if>
            <if test="place !=null">
                and place like CONCAT('%', #{place}, '%')
            </if>
            <if test="introduce !=null">
                and introduce like CONCAT('%', #{introduce}, '%')
            </if>
            <if test="timeStart !=null">
                and timeStart = #{timeStart}
            </if>
            <if test="timeEndNum !=null">
                and timeEndNum = #{timeEndNum}
            </if>
            <if test="timeStartNum !=null">
                and timeStartNum = #{timeStartNum}
            </if>
            <if test="timeEnd !=null">
                and timeEnd = #{timeEnd}
            </if>
            <if test="timeLength !=null">
                and timeLength = #{timeLength}
            </if>
            <if test="userNum !=null">
                and userNum = #{userNum}
            </if>
            <if test="joinUserNum !=null">
                and joinUserNum = #{joinUserNum}
            </if>

        </where>
        ORDER BY `curriculum`.`joinUserNum` ASC
    </select>

    <select id="getCurriculumbyPrimary" resultType="com.lxq.model.object.Curriculum">
        select * from curriculum
        <where>

            <if test="teacherId !=null">
                and teacherId = #{teacherId}
            </if>
            <if test="curriculumName !=null">
                and curriculumName = #{curriculumName}
            </if>

        </where>
        ORDER BY `curriculum`.`joinUserNum` ASC
    </select>

    <insert id="addCurriculum"  parameterType="com.lxq.model.object.Curriculum">
        insert into curriculum(teacherId,curriculumName,introduce,timeStart,timeEnd,timeStartNum,timeEndNum,timeLength,userNum,joinUserNum,place)
        values(#{teacherId},#{curriculumName},#{introduce},#{timeStart},#{timeEnd},#{timeStartNum},#{timeEndNum},#{timeLength},#{userNum},#{joinUserNum},#{place})
    </insert>

    <delete id="delCurriculum" parameterType="com.lxq.model.object.Curriculum">
        delete from curriculum
        where id = #{id}
    </delete>

    <update id="updateCurriculum"  parameterType="com.lxq.model.object.Curriculum">
        update curriculum
        <set>
            <if test="curriculumName !=null">
                curriculumName = #{curriculumName},
            </if>
            <if test="teacherId !=null">
                teacherId = #{teacherId},
            </if>
            <if test="introduce !=null">
                introduce = #{introduce},
            </if>
            <if test="timeStart !=null">
                timeStart = #{timeStart},
            </if>
            <if test="timeEnd !=null">
                timeEnd = #{timeEnd},
            </if>
            <if test="timeStartNum !=null">
                timeStartNum = #{timeStartNum},
            </if>
            <if test="timeEndNum !=null">
                timeEndNum = #{timeEndNum},
            </if>
            <if test="timeLength !=null">
                timeLength = #{timeLength},
            </if>
            <if test="userNum !=null">
                userNum = #{userNum},
            </if>
            <if test="joinUserNum !=null">
                joinUserNum = #{joinUserNum},
            </if>
            <if test="place !=null">
                place = #{place},
            </if>
        </set>
        where id = #{id}
    </update>


</mapper>