NN2022060401/app/api/model/SchoolSpeciality.php

<?php
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// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
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// | Copyright (c) 2017~2021 https://www.yiovo.com All rights reserved.
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// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
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// | Author: 萤火科技 <admin@yiovo.com>
// +----------------------------------------------------------------------
declare (strict_types=1);

namespace app\api\model;
use app\common\model\SchoolSpeciality as SchoolSpecialityModel;

/**
 * 学校专业模型类
 * Class SchoolSpeciality
 * @package app\api\model
 */
class SchoolSpeciality extends SchoolSpecialityModel
{

    protected $globalScope = [''];

    /**
     * 隐藏字段
     * @var array
     */
    protected $hidden = [
        'update_time'
    ];

    /**
     * 获取学校的专业
     * @param int $school_id  学校ID
     * @param string $field 返回字段
     * @param int $limit 返回数量
     * @return SchoolSpeciality[]|array|\think\Collection
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function getHots(int $school_id, $field='', $limit=3)
    {
        return $this->where(['school_id'=>$school_id,'status'=>1])
            ->field($field?:'speciality_id,speciality_name,school_id,recruit_num')
            ->order('views desc,speciality_id desc')
            ->limit($limit?? 3)
            ->select()??[];
    }
}