care/ruoyi-system/src/main/resources/mapper/system/SysNoticeUserMapper.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.SysNoticeUserMapper">
    
    <resultMap type="SysNoticeUser" id="SysNoticeUserResult">
        <result property="noticeUserId"       column="notice_user_id"       />
        <result property="noticeId"    column="notice_id"    />
        <result property="userId"     column="user_id"     />
        <result property="nickName"     column="nick_name"     />
        <result property="status"         column="status"          />
        <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="selectNoticeUserVo">
        SELECT
            o.notice_id,
            o.notice_user_id,
            o.user_id,
            o.STATUS,
            o.create_by,
            o.create_time,
            o.update_by,
            o.update_time,
            o.remark,
            u.nick_name
        FROM
            sys_notice_user o
                left join sys_user u on u.user_id=o.user_id
    </sql>
    
    <select id="selectNoticeUserById" parameterType="Long" resultMap="SysNoticeUserResult">
        <include refid="selectNoticeUserVo"/>
        where o.notice_user_id = #{noticeUserId}
    </select>
    
    <select id="selectNoticeUserList" parameterType="SysNoticeUser" resultMap="SysNoticeUserResult">
        <include refid="selectNoticeUserVo"/>
        <where>
			<if test="noticeId != null and noticeId != ''">
				AND o.notice_id = #{noticeId}
			</if>
			<if test="userId != null and userId != ''">
				AND o.user_id = #{userId}
			</if>
		</where>
    </select>
    
    <insert id="insertNoticeUser" parameterType="SysNoticeUser">
        insert into sys_notice_user (
			<if test="noticeId != null and noticeId != '' ">notice_id, </if>
			<if test="noticeUserId != null and noticeUserId != '' ">notice_user_id, </if>
			<if test="userId != null and userId != '' ">user_id, </if>
			<if test="status != null and status != '' ">status, </if>
			<if test="remark != null and remark != ''">remark,</if>
 			<if test="createBy != null and createBy != ''">create_by,</if>
 			create_time
 		)values(
			<if test="noticeId != null and noticeId != ''">#{noticeId}, </if>
			<if test="noticeUserId != null and noticeUserId != ''">#{noticeUserId}, </if>
			<if test="userId != null and userId != ''">#{userId}, </if>
			<if test="status != null and status != ''">#{status}, </if>
			<if test="remark != null and remark != ''">#{remark},</if>
 			<if test="createBy != null and createBy != ''">#{createBy},</if>
 			sysdate()
		)
    </insert>
	 
    <update id="updateNoticeUser" parameterType="SysNoticeUser">
        update sys_notice_user
        <set>
            <if test="noticeId != null and noticeId != ''">notice_id = #{noticeId}, </if>
            <if test="noticeUserId != null and noticeUserId != ''">notice_user_id = #{noticeUserId}, </if>
            <if test="userId != null">user_id = #{userId}, </if>
            <if test="status != null and status != ''">status = #{status}, </if>
            <if test="updateBy != null and updateBy != ''">update_by = #{updateBy},</if>
 			update_time = sysdate()
        </set>
        where notice_user_id = #{noticeId}
    </update>
	
    <delete id="deleteNoticeUserById" parameterType="Long">
        delete from sys_notice_user where notice_user_id = #{noticeUserId}
    </delete>
    
    <delete id="deleteNoticeUserByIds" parameterType="Long">
        delete from sys_notice_user where notice_user_id in
        <foreach item="noticeUserId" collection="array" open="(" separator="," close=")">
            #{noticeUserId}
        </foreach>
    </delete>

    <select id="selectNoticeUsers" resultType="com.ruoyi.system.domain.SysNoticeUser">
        select user_id
        from sys_notice_user
        where notice_id = #{noticeId} and
        user_id in
        <foreach item="id" collection="userIds" open="(" separator="," close=")">
            #{id}
        </foreach>;
    </select>

    <!--只做为公告关联用户时使用-->
    <insert id="insertBatch">
        INSERT INTO sys_notice_user (notice_id, user_id,create_time,create_by,status)
        VALUES
        <foreach collection="list" item="item" index="index" separator=",">
            (#{item.noticeId}, #{item.userId},#{item.createTime},#{item.createBy},#{item.status})
        </foreach>
    </insert>

    <select id="selectMyNoticeList" parameterType="SysNoticeUser" resultType="map">
        select n.*,u.`status` 'readStatus',u.notice_user_id from sys_notice_user u
        LEFT JOIN sys_notice n on n.notice_id=u.notice_id
        <where>
            <if test="noticeId != null and noticeId != ''">
                AND u.notice_id = #{noticeId}
            </if>
            <if test="userId != null and userId != ''">
                AND u.user_id = #{userId}
            </if>
            <if test="status != null and status != ''">
                AND u.status = #{status}
            </if>
        </where>
    </select>
</mapper>