zzjs/zzjs-service/src/main/resources/mapper/teachingVideo/TeachingVideoInfoMapper.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.miaxis.teachingVideo.mapper.TeachingVideoInfoMapper">

    <resultMap type="TeachingVideoInfo" id="TeachingVideoInfoResult">
        <result property="id"    column="id"    />
        <result property="fileId"    column="file_id"    />
        <result property="coverFileId"    column="cover_file_id"    />
        <result property="title"    column="title"    />
        <result property="videoDescribe"    column="video_describe"    />
        <result property="videoDuration"    column="video_duration"    />
        <result property="teachingVideoTypeId"    column="teaching_video_type_id"    />
        <result property="shelfStatus"    column="shelf_status"    />
        <result property="videoSize"    column="video_size"    />
        <result property="videoHeight"    column="video_height"    />
        <result property="status"    column="status"    />
        <result property="videoWidth"    column="video_width"    />
        <result property="vodVideoFileId"    column="vod_video_file_id"    />
        <result property="vodCoverFileId"    column="vod_cover_file_id"    />
        <result property="createTime"    column="create_time"    />
        <result property="updateTime"    column="update_time"    />
    </resultMap>

    <sql id="selectTeachingVideoInfoVo">
        select * from teaching_video_info
    </sql>

    <select id="selectTeachingVideoInfoList" resultType="com.miaxis.teachingVideo.vo.TeachingVideoInfoVo">
        select
        vi.id,
        vi.title,
        vi.video_describe,
        vi.video_duration,
        vi.video_size,
        vi.video_width,
        vi.video_height,
        vi.teaching_video_type_id,
        ti.type_name as teachingVideoTypeName,
        vi.create_time,
        vi.update_time,
        f1.file_url as fileUrl,
        f2.file_url as coverFileUrl,
        vi.vod_video_file_id,
        vi.vod_cover_file_id,
        vi.shelf_status,
        vi.status
        from teaching_video_info vi
        LEFT JOIN file_info f1 on f1.file_id = vi.file_id
        LEFT JOIN file_info f2 on f2.file_id = vi.cover_file_id
        LEFT JOIN teaching_video_type_info ti on ti.id = vi.teaching_video_type_id
        <where>
            <if test="fileId != null "> and file_id = #{fileId}</if>
            <if test="coverFileId != null "> and cover_file_id = #{coverFileId}</if>
            <if test="title != null  and title != ''"> and title like concat('%', #{title}, '%')</if>
            <if test="videoDescribe != null  and videoDescribe != ''"> and video_describe like concat('%', #{videoDescribe}, '%')</if>
            <if test="videoDuration != null  and videoDuration != ''"> and video_duration = #{videoDuration}</if>
            <if test="teachingVideoTypeId != null "> and teaching_video_type_id = #{teachingVideoTypeId}</if>
            <if test="shelfStatus != null "> and shelf_status = #{shelfStatus}</if>
            <if test="status != null  and status != ''"> and status = #{status}</if>
        </where>
    </select>


    <select id="getTeachingVideoDetailsById" resultType="com.miaxis.teachingVideo.vo.TeachingVideoInfoVo">
        select
        vi.id,
        vi.title,
        vi.video_describe,
        vi.video_duration,
        vi.video_size,
        vi.video_width,
        vi.video_height,
        vi.teaching_video_type_id,
        ti.type_name as teachingVideoTypeName,
        vi.create_time,
        vi.update_time,
        f1.file_url as fileUrl,
        f2.file_url as coverFileUrl,
        vi.vod_video_file_id,
        vi.vod_cover_file_id,
        vi.shelf_status,
        vi.status
        from teaching_video_info vi
        LEFT JOIN file_info f1 on f1.file_id = vi.file_id
        LEFT JOIN file_info f2 on f2.file_id = vi.cover_file_id
        LEFT JOIN teaching_video_type_info ti on ti.id = vi.teaching_video_type_id
        where vi.id = #{id}
    </select>

</mapper>