sczx_web/ruoyi-system/src/main/resources/mapper/system/SysNoticeMapper.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.SysNoticeMapper">

    <resultMap type="SysNotice" id="SysNoticeResult">
        <result property="noticeId"       column="notice_id"       />
        <result property="noticeTitle"    column="notice_title"    />
        <result property="noticeType"     column="notice_type"     />
        <result property="noticeContent"  column="notice_content"  />
        <result property="status"         column="status"          />
        <result property="readStatus"     column="read_status"     />
        <result property="userId"         column="user_id"         />
        <result property="createBy"       column="create_by"       />
        <result property="createTime"     column="create_time"     />
        <result property="updateBy"       column="update_by"       />
        <result property="updateTime"     column="update_time"     />
        <result property="remark"         column="remark"          />
    </resultMap>

    <sql id="selectNoticeVo">
        select notice_id, notice_title, notice_type, notice_content, status, read_status,user_id, create_by, create_time, update_by, update_time, remark
		from sys_notice
    </sql>

    <select id="selectNoticeById" parameterType="Long" resultMap="SysNoticeResult">
        <include refid="selectNoticeVo"/>
        where notice_id = #{noticeId}
    </select>

    <select id="selectNoticeList" parameterType="SysNotice" resultMap="SysNoticeResult">
        <include refid="selectNoticeVo"/>
        <where>
			<if test="noticeTitle != null and noticeTitle != ''">
				AND notice_title like concat('%', #{noticeTitle}, '%')
			</if>
			<if test="noticeType != null and noticeType != ''">
				AND notice_type = #{noticeType}
			</if>
            <if test="readStatus != null and readStatus != ''">
                AND read_status = #{readStatus}
            </if>
            <if test="userId != null">
                AND user_id = #{userId}
            </if>
			<if test="createBy != null and createBy != ''">
				AND create_by like concat('%', #{createBy}, '%')
			</if>
		</where>
    </select>

    <select id="selectVoList" resultType="com.ruoyi.system.domain.vo.NoticeListVo"
            parameterType="com.ruoyi.system.domain.form.NoticeForm">
        select
            notice_id as `id`,
            notice_title as `title`,
            update_time as `releaseTime`
        from sys_notice
        where `status` = '0'
        <if test="noticeType != null and noticeType != ''">
            and notice_type = #{noticeType}
        </if>
        order by update_time desc
    </select>

    <select id="selectVoInfo" resultType="com.ruoyi.system.domain.vo.NoticeInfoVo"
            parameterType="java.lang.Long">
        select
            notice_id as `id`,
            notice_title as `title`,
            notice_content as `noticeContent`,
            update_time as `releaseTime`
        from sys_notice
        where `status` = '0' and notice_id = #{id}
        order by update_time desc
    </select>

    <insert id="insertNotice" parameterType="SysNotice">
        insert into sys_notice (
			<if test="noticeTitle != null and noticeTitle != '' ">notice_title, </if>
			<if test="noticeType != null and noticeType != '' ">notice_type, </if>
			<if test="noticeContent != null and noticeContent != '' ">notice_content, </if>
			<if test="status != null and status != '' ">status, </if>
            <if test="userId != null">user_id, </if>
			<if test="remark != null and remark != ''">remark,</if>
 			<if test="createBy != null and createBy != ''">create_by,</if>
 			create_time,
            update_time
 		)values(
			<if test="noticeTitle != null and noticeTitle != ''">#{noticeTitle}, </if>
			<if test="noticeType != null and noticeType != ''">#{noticeType}, </if>
			<if test="noticeContent != null and noticeContent != ''">#{noticeContent}, </if>
			<if test="status != null and status != ''">#{status}, </if>
            <if test="userId != null ">#{userId}, </if>
			<if test="remark != null and remark != ''">#{remark},</if>
 			<if test="createBy != null and createBy != ''">#{createBy},</if>
 			sysdate(),
            sysdate()
		)
    </insert>

    <update id="updateNotice" parameterType="SysNotice">
        update sys_notice
        <set>
            <if test="noticeTitle != null and noticeTitle != ''">notice_title = #{noticeTitle}, </if>
            <if test="noticeType != null and noticeType != ''">notice_type = #{noticeType}, </if>
            <if test="noticeContent != null">notice_content = #{noticeContent}, </if>
            <if test="status != null and status != ''">status = #{status}, </if>
            <if test="readStatus != null and readStatus != ''">read_status = #{readStatus}, </if>
            <if test="updateBy != null and updateBy != ''">update_by = #{updateBy},</if>
 			update_time = sysdate()
        </set>
        where notice_id = #{noticeId}
    </update>

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

    <select id="selectHomeNoticeList" resultMap="SysNoticeResult" parameterType="java.lang.Long">
        select
            *
        from sys_notice
        where `status` = '0'
        order by create_time desc
        limit 8
    </select>

</mapper>