NewsDictMapper.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.laowu.mapper.NewsDictMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.laowu.model.NewsDictDO">
        <id column="id" property="id" />
        <result column="create_date" property="createDate" />
        <result column="update_date" property="updateDate" />
        <result column="delete_date" property="deleteDate" />
        <result column="title" property="title" />
        <result column="guiding" property="guiding" />
        <result column="status" property="status" />
        <result column="publish_date" property="publishDate" />
        <result column="publish_id" property="publishId" />
        <result column="content" property="content" />
        <result column="cover_page" property="coverPage" />
    </resultMap>

    <!-- 通用查询结果列 -->
    <sql id="Base_Column_List">
        create_date,
        update_date,
        delete_date,
        id, title, guiding, status, publish_date, publish_id, content, cover_page
    </sql>

    <select id="news" resultType="com.laowu.vo.lables.NewsVO">
        SELECT DISTINCT
            t2.id,
            t2.title,
            t2.guiding,
            t2.`status`,
            t2.publish_date,
            t3.user_name,
            t2.top_flag,
            t2.cover_page
        FROM
            news_labels t
            LEFT JOIN news_dict t2 ON t.news_id = t2.id
            LEFT JOIN administer t3 ON t2.publish_id = t3.id
        WHERE
            t.delete_date IS NULL
            AND t2.delete_date IS NULL
            <if test="labelId != null and labelId != ''">
                AND t.label_id = #{labelId}
            </if>
            <if test="title != null and title != ''">
                AND t2.title like  concat('%', #{title}, '%')
            </if>
            order by t2.top_flag desc,t2.publish_date desc
    </select>

    <select id="newsLabels" parameterType="long" resultType="com.laowu.model.NewsLabelDictDO">
        SELECT
            t2.*
        FROM
            news_labels t
            LEFT JOIN news_label_dict t2 ON t.label_id = t2.id
        WHERE
            t.delete_date IS NULL
            AND t2.delete_date IS NULL
            AND t.news_id = #{newsId}
    </select>

    <update id="updateTopStatus">
        update news_dict set top_flag = 0
    </update>

    <select id="oneNews" resultType="com.laowu.vo.lables.NewsVO">
        SELECT DISTINCT
        t2.id,
        t2.title,
        t2.guiding,
        t2.`status`,
        t2.publish_date,
        t3.user_name,
        t2.top_flag,
        t2.cover_page,
        t2.content
        FROM
        news_labels t
        LEFT JOIN news_dict t2 ON t.news_id = t2.id
        LEFT JOIN administer t3 ON t2.publish_id = t3.id
        WHERE
        t.delete_date IS NULL
        AND t2.delete_date IS NULL
        and t2.id = #{id}
    </select>

    <select id="noTopNews" resultType="com.laowu.vo.lables.NewsVO">
        SELECT DISTINCT
        t2.id,
        t2.title,
        t2.guiding,
        t2.`status`,
        t2.publish_date,
        t3.user_name,
        t2.top_flag,
        t2.cover_page
        FROM
        news_labels t
        LEFT JOIN news_dict t2 ON t.news_id = t2.id
        LEFT JOIN administer t3 ON t2.publish_id = t3.id
        WHERE
        t.delete_date IS NULL
        AND t2.delete_date IS NULL
        and t2.top_flag != 1
        and t2.status = '已发布'
        <if test="labelId != null and labelId != ''">
            AND t.label_id = #{labelId}
        </if>
        <if test="title != null and title != ''">
            AND t2.title like  concat('%', #{title}, '%')
        </if>
        order by t2.top_flag desc,t2.publish_date desc
    </select>
</mapper>