Java项目实战系列——我的b站（完结）

携手创作，共同成长！这是我参与「掘金日新计划 · 8 月更文挑战」的第9天，点击查看活动详情

项目地址(包含源码以及数据文件)： github.com/ziqi1909/My…

1.VideoMapper

@Mapper
public interface VideoMapper {
    @Select("""
            select bv,
                   type,
                   category,
                   title,
                   cover,
                   introduction,
                   publish_time,
                   tags     
            from video
            where bv = #{bv}
            """)
    Video findById(String bv);
}

2.PlayMapper

@Mapper
public interface PlayMapper {

    @Select("""
            select id, title, url, duration
            from play where bv = #{bv}
            """)
    List<Play> findByBv(String bv);
}

3.VideoService

@Service
public class VideoService2 {
    @Autowired
    VideoMapper videoMapper;
    @Autowired
    PlayMapper playMapper;

    public Video find(String bv){
        Video video = videoMapper.findById(bv);
        if(video==null){
            return null;
        }
        List<Play> playList = playMapper.findByBv(bv);
        video.setPlayList(playList);
        return video;
    }
}

3.VideoController

@Controller
public class VideoController {

    @RequestMapping("/video/{bv}")
    @ResponseBody
    public Video t(@PathVariable String bv) throws IOException {
        return videoService2.find(bv);
    }

    @Autowired
    private VideoService2 videoService2;
}

页面展示：