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RuoYi-Vue/ruoyi-system/src/main/resources/mapper/system/SysNoticeReadMapper.xml
2026-04-14 15:40:13 +08:00

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<?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.SysNoticeReadMapper">
<resultMap type="SysNoticeRead" id="SysNoticeReadResult">
<id property="readId" column="read_id" />
<result property="noticeId" column="notice_id" />
<result property="userId" column="user_id" />
<result property="readTime" column="read_time" />
</resultMap>
<!-- 新增已读记录 -->
<insert id="insertNoticeRead" parameterType="SysNoticeRead">
insert ignore into sys_notice_read (notice_id, user_id, read_time)
values (#{noticeId}, #{userId}, sysdate())
</insert>
<!-- 查询未读数量:正常状态公告 减去 当前用户已读数 -->
<select id="selectUnreadCount" resultType="int">
select count(*) from sys_notice n
where n.status = '0' and not exists (select 1 from sys_notice_read r where r.notice_id = n.notice_id and r.user_id = #{userId})
</select>
<!-- 查询是否已读 -->
<select id="selectIsRead" resultType="int">
select count(*) from sys_notice_read where notice_id = #{noticeId} and user_id = #{userId}
</select>
<!-- 查询带已读状态的公告列表直接在SQL中限制条数 -->
<select id="selectNoticeListWithReadStatus" resultType="SysNotice">
select
n.notice_id as noticeId,
n.notice_title as noticeTitle,
n.notice_type as noticeType,
n.status,
n.create_by as createBy,
n.create_time as createTime,
case when r.notice_id is not null then true else false end as isRead
from sys_notice n
left join sys_notice_read r
on r.notice_id = n.notice_id and r.user_id = #{userId}
where n.status = '0'
order by n.notice_id desc
limit #{limit}
</select>
<!-- 批量标记已读 -->
<insert id="insertNoticeReadBatch">
insert ignore into sys_notice_read (notice_id, user_id, read_time)
values
<foreach collection="noticeIds" item="noticeId" separator=",">
(#{noticeId}, #{userId}, sysdate())
</foreach>
</insert>
<!-- 删除公告时清理已读记录 -->
<delete id="deleteByNoticeIds">
delete from sys_notice_read where notice_id in
<foreach collection="noticeIds" item="noticeId" open="(" separator="," close=")">
#{noticeId}
</foreach>
</delete>
<!-- 查询已阅读某公告的用户列表,支持按登录名/用户名模糊筛选 -->
<select id="selectReadUsersByNoticeId" resultType="java.util.Map">
select
u.user_id as userId,
u.user_name as userName,
u.nick_name as nickName,
d.dept_name as deptName,
u.phonenumber as phonenumber,
r.read_time as readTime
from sys_notice_read r
inner join sys_user u on u.user_id = r.user_id and u.del_flag = '0'
left join sys_dept d on d.dept_id = u.dept_id
where r.notice_id = #{noticeId}
<if test="searchValue != null and searchValue != ''">
and (
u.user_name like concat('%', #{searchValue}, '%')
or u.nick_name like concat('%', #{searchValue}, '%')
)
</if>
order by r.read_time desc
</select>
</mapper>