l1024-jav/src/main/resources/mapper/VideoInfoInfantryMapper.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" >

<!-- 当Mapper接口和XML文件关联的时候，namespace的值就需要配置成接口的全限定名称 -->
<mapper namespace="top.lvzhiqiang.mapper.VideoInfoInfantryMapper">

    <select id="getVideoInfoInfantryList" resultType="top.lvzhiqiang.entity.VideoInfo">
        select vi.id,vi.name,vi.identification_code,vi.issue_date,vi.modify_time,vi.img_url,vi.video_url,concat_ws('||', vi.cast, vi.genres) main_who,IFNULL(vio.score, 0) AS score, IFNULL(vio.comment, '暂无评论') AS comment
        from video_info_infantry vi
        left join video_info_other vio on vi.identification_code = vio.identification_code and vio.delete_flag = 1
        where vi.delete_flag = 1
        <if test="keyword != null and keyword != ''">
            and (vi.name like #{keyword} or vi.identification_code like #{keyword})
        </if>
        <if test="genres != null and genres != ''">
            and vi.main_who = #{genres}
        </if>
        <if test="cast != null and cast != ''">
            and vi.cast like concat('%',#{cast},'%')
        </if>
    </select>
</mapper>