yunsu/target/classes/main/resources/mapper/NewsNoticeUserMapper.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.hssx.cloudmodel.mapper.NewsNoticeUserMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.hssx.cloudmodel.entity.NewsNoticeUser">
        <id column="id" property="id" />
        <result column="user_id" property="userId" />
        <result column="is_read" property="isRead" />
        <result column="news_id" property="newsId" />
    </resultMap>

    <!-- 通用查询结果列 -->
    <sql id="Base_Column_List">
        id, user_id, is_read, news_id
    </sql>
    
    <update id="updateNewsNoticeUserByNewsNoticeId">
        update
          tb_news_notice_user
        set
          is_read=0
        where
           news_id = #{id}
    </update>
</mapper>