hyperf_rbac_framework_server_ctexthuang/app/Model/Meta/MetaCast.php

<?php

namespace App\Model\Meta;

use Hyperf\Codec\Json;
use Hyperf\Contract\CastsAttributes;

class MetaCast implements CastsAttributes
{
    /**
     * @param $model
     * @param string $key
     * @param $value
     * @param array $attributes
     * @return AdminUserMeta
     */
    public function get($model, string $key, $value, array $attributes): AdminUserMeta
    {
        return new AdminUserMeta(empty($value) ? [] : Json::decode($value));
    }

    /**
     * @param $model
     * @param string $key
     * @param $value
     * @param array $attributes
     * @return array|string
     */
    public function set($model, string $key, $value, array $attributes): array|string
    {
        return Json::encode($value);
    }
}