kknongchang_2506/app/Module/Game/Logics/Reward/Item.php

<?php

namespace App\Module\Game\Logics\Reward;

use App\Module\Game\Dtos\RewardItemDto;
use UCore\Exception\LogicException;

class Item
{

    /**
     * 处理奖励项数量（支持随机数量）
     */
    public static function processQuantity(RewardItemDto $item, int $multiplier = 1): RewardItemDto
    {
        $processedItem = clone $item;

        // 检查是否有数量范围设置
        if ($item->minQuantity > 0 && $item->maxQuantity > 0) {
            if($multiplier> 1){
                throw new LogicException('倍率下，不能随机！');
            }
            $minQty                  = max(1, $item->minQuantity);
            $maxQty                  = max($minQty, $item->maxQuantity);
            $processedItem->quantity = mt_rand($minQty, $maxQty);

        } else {
            $processedItem->quantity = max(1, $item->quantity) * $multiplier;
        }

        return $processedItem;
    }

}