kknongchang_2506/app/Module/Transfer/Casts/TransferOrderCast.php

<?php

namespace App\Module\Transfer\Casts;

use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
use Illuminate\Database\Eloquent\Model;

/**
 * 划转订单转换器
 */
class TransferOrderCast implements CastsAttributes
{
    /**
     * 将取出的数据进行转换
     */
    public function get(Model $model, string $key, mixed $value, array $attributes): mixed
    {
        if (is_null($value)) {
            return null;
        }

        // 根据字段类型进行转换
        return match ($key) {
            'out_amount', 'amount' => (string) $value,
            'exchange_rate' => (float) $value,
            default => $value,
        };
    }

    /**
     * 转换成将要进行存储的值
     */
    public function set(Model $model, string $key, mixed $value, array $attributes): mixed
    {
        if (is_null($value)) {
            return null;
        }

        // 根据字段类型进行转换
        return match ($key) {
            'out_amount', 'amount' => (string) $value,
            'exchange_rate' => number_format((float) $value, 4, '.', ''),
            default => $value,
        };
    }
}