docker

教程：https://www.runoob.com/docker/docker-container-usage.html 浅显易懂

换yum源

https://developer.aliyun.com/mirror/centos 官方->典中典

mybatis-plus获取最新创建的表，表名为时间名

mapper

@Mapper
public interface DatabaseInfoMapper extends BaseMapper<Object> {
    @Select("SELECT table_name FROM information_schema.tables WHERE table_schema = 'hotsearch'")
    List<String> findAllTableNames();
}

service 

@Service
public class DatabaseInfoService {
    private final DatabaseInfoMapper databaseInfoMapper;

    public DatabaseInfoService(DatabaseInfoMapper databaseInfoMapper) {
        this.databaseInfoMapper = databaseInfoMapper;
    }

    public List<String> getAllTableNames() {
        return databaseInfoMapper.findAllTableNames();
    }
}

无事，水 ！！！