video_server/app/Model/TopicModel.php

<?php
/**
 * 话题模型.
 *
 * @author jim <jim458734573@gmail.com>
 * @date   2020-01-29 10:08:58
 */
declare(strict_types=1);


namespace App\Model;

use Hyperf\ModelCache\Cacheable;
use Hyperf\ModelCache\CacheableInterface;

class TopicModel extends BaseModel implements CacheableInterface
{
    use Cacheable;

    /**
     * 表名.
     *
     * @var string
     */
    protected $table = 'topic';

    /**
     * 分类.
     * @return \Hyperf\Database\Model\Relations\HasOne
     */
    public function category()
    {
        return $this->hasOne(TopicCategoryModel::class, 'id', 'category_id');
    }

    /**
     * 用户.
     * @return \Hyperf\Database\Model\Relations\HasOne
     */
    public function user()
    {
        return $this->hasOne(UserModel::class, 'code', 'user_id');
    }
}