tingwu/app/common/model/mysql/Demo.php

<?php
/**
 * Created by PhpStorm.
 * User: 97
 */

namespace app\common\model\mysql;

use think\Model;

class Demo extends Model{

    public function getStatusTextAttr($value,$data){
        $status = [
            0 => '待审核',
            1 => '正常',
            2 => '错误',
            99 => '删除',
        ];
        return $status[$data['status']];
    }

    public function getDemoDataByCategoryId($categoryId,$limit = 10){
        if(empty($categoryId)){
            return [];
        }
        $results = $this->where("category_id",$categoryId)
            ->limit($limit)
            ->order("id","desc")
            ->select()
            ->toArray();
        return $results;
    }
}