yxy/app/admin/model/laboratory/Introduction.php

<?php

namespace app\admin\model\laboratory;

use think\Model;

/**
 * Introduction
 */
class Introduction extends Model
{
    // 表名
    protected $name = 'laboratory_introduction';

    // 自动写入时间戳字段
    protected $autoWriteTimestamp = true;


    public function getLaboratorydisplayDiagramAttr($value): array
    {
        if ($value === '' || $value === null) return [];
        if (!is_array($value)) {
            return explode(',', $value);
        }
        return $value;
    }

    public function setLaboratorydisplayDiagramAttr($value): string
    {
        return is_array($value) ? implode(',', $value) : $value;
    }

    public function getLaboratoryIntroductionAttr($value): string
    {
        return !$value ? '' : htmlspecialchars_decode($value);
    }
}