lizhi/application/common/model/Hobby.php

<?php

namespace app\common\model;

use think\Model;

/**
 * 模型
 */
class Hobby Extends Model
{

    // 表名
    protected $name = 'hobby';
    // 开启自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';

    public static function getHobbyNames($hobby_ids) {
        if($hobby_ids) {
            $hobby_ids = explode(',',$hobby_ids);
            $hobby_names = \app\common\model\Hobby::where(['id'=>['in',$hobby_ids]])->column('name');
        } else {
            $hobby_names = [];
        }
        return $hobby_names;
    }
}