software-market/application/common/service/SoftCodeService.php

<?php
namespace app\common\service;

use app\common\model\soft\Codes as SoftCodes;
use think\Cache;
use think\Exception;
use app\common\traits\ServiceTrait;

class SoftCodeService
{
    use ServiceTrait;

    /** @var SoftCodes */
    public static $Model = SoftCodes::class;


    /**
     * 获取可用激活码
     * @throws \Exception
     */
    public static function getAvailableCode()
    {
        $res = self::getOne(['status' => CommonService::NO]);
        if (!$res) {
            exception('激活码不足，请手动生成');
        }

        return $res->activate_code;
    }
}