yunjing_master/app/admin/model/NewsModel.php

<?php
// +----------------------------------------------------------------------
// | ThinkCMF [ WE CAN DO IT MORE SIMPLE ]
// +----------------------------------------------------------------------
// | Copyright (c) 2013-present http://www.thinkcmf.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 老猫 <thinkcmf@126.com>
// +----------------------------------------------------------------------
namespace app\admin\model;

use app\admin\model\NewsCateModel;
use think\Model;

class NewsModel extends Model
{
    /**
     * 模型名称
     * @var string
     */
    protected $name = 'news';

    public function news_cate()
    {
        return $this->hasOne(NewsCateModel::class, 'id', 'cate_id')
            ->field('id, name')
            ->append([ 'cate_id' ]);
    }


}