PPA/src/main/resources/mapper/ArticleInfoMapper.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.cslg.ppa.mapper.ArticleInfoMapper">

    <select id="selectArticleInfoList" resultType="com.cslg.ppa.vo.SelectArticleInfoVO">
        SELECT
        ai.id as articleId,
        ai.title,
        CASE
            WHEN ai.old_content IS NOT NULL AND ai.old_content != '' THEN ai.old_content
            ELSE ai.digest
        END AS digest,
        ai.source_id,
        ai.public_time,
        ai.create_time,
        ai.article_url,
        ai.wx_article_icon,
        si.source_name,
        si.source_type,
        GROUP_CONCAT(acr.category_id) as categoryIdsStr,
        GROUP_CONCAT(ca.name) as categoryNamesStr
        FROM article_info ai
        LEFT JOIN article_category_relation acr ON acr.article_id = ai.id
        LEFT JOIN category ca ON ca.id = acr.category_id
        LEFT JOIN source_info si ON si.id = ai.source_id
        <where>
            <if test="vo.key != null and vo.key != ''">
                ai.title like concat('%',#{vo.key},'%')
            </if>
            <if test="vo.categoryId != null">
                and acr.category_id = #{vo.categoryId}
            </if>
            <if test="vo.sourceName != null and vo.sourceName != ''">
                and si.source_name like concat('%',#{vo.sourceName},'%')
            </if>
            <if test="vo.beginTime != null">
                and ai.public_time &gt;= #{vo.beginTime}
            </if>
            <if test="vo.endTime != null">
                and ai.public_time &lt;= #{vo.endTime}
            </if>
        </where>
        GROUP BY ai.id
        ORDER BY ai.public_time DESC, ai.id DESC
        <if test="vo.pageNum != null and vo.pageSize != null">
            LIMIT ${(vo.pageNum -1) * vo.pageSize},${vo.pageSize}
        </if>
    </select>

    <select id="selectArticleInfoCount" resultType="java.lang.Long">
        SELECT COUNT(DISTINCT ai.id)
        FROM article_info ai
        LEFT JOIN article_category_relation acr ON acr.article_id = ai.id
        LEFT JOIN category ca ON ca.id = acr.category_id
        LEFT JOIN source_info si ON si.id = ai.source_id
        <where>
            <if test="vo.key != null and vo.key != ''">
                ai.title like concat('%',#{vo.key},'%')
            </if>
            <if test="vo.categoryId != null">
                and acr.category_id = #{vo.categoryId}
            </if>
            <if test="vo.sourceName != null and vo.sourceName != ''">
                and si.source_name like concat('%',#{vo.sourceName},'%')
            </if>
            <if test="vo.beginTime != null">
                and ai.public_time &gt;= #{vo.beginTime}
            </if>
            <if test="vo.endTime != null">
                and ai.public_time &lt;= #{vo.endTime}
            </if>
        </where>
    </select>


    <select id="selectArticleList" resultType="com.cslg.ppa.vo.OneClickExportVO">
        select ai.id as articleId,
        ai.title,
        ai.digest,
        ai.old_content,
        ai.category_id,
        ai.public_time,
        ai.article_url,
        ai.if_export_from_local,
        ca.name as categoryName,
        ai.source_id,
        si.source_name,
        si.source_type
        from article_info ai
        left join category ca on ca.id = ai.category_id
        left join source_info si on si.id = ai.source_id
        <where>
            <if test="vo.type == 1">
                ai.category_id in (1,2,3,4,5)
            </if>
            <if test="vo.type == 2">
                ai.category_id in (16,17,18,19,20,21,22)
            </if>
            <if test="vo.beginTime != null">
                and ai.public_time &gt;= #{vo.beginTime}
            </if>
            <if test="vo.endTime != null">
                and ai.public_time &lt;= #{vo.endTime}
            </if>
        </where>
        order by ai.public_time asc,ai.id asc
    </select>

</mapper>