news_producer/app/Tools/PublicData.php

<?php
namespace App\Tools;
use App\Constants\ErrorCode;
use Hyperf\Snowflake\IdGeneratorInterface;
use Hyperf\Context\ApplicationContext;
class PublicData
{
    /**
     * 递归查询
     * @param $menuItems
     * @param $parentId
     * @return array
     */
    public static  function buildMenuTree($menuItems, $parentId = 0) {
        $tree = [];
        foreach ($menuItems as $item) {
            if ($item['pid'] == $parentId) {
                // 找到子菜单
                $children = self::buildMenuTree($menuItems, $item['id']);
                // 如果子菜单存在，则添加到当前菜单的children中
                if ($children) {
                    $item['children'] = $children;
                }
                // 将当前菜单添加到树中
                $tree[] = $item;
            }
        }
        return $tree;
    }

    /**
     * 计算两个时间差的天数
     * @param $sTime
     * @param $eTime
     * @return float
     */
    public static function residueDay($sTime,$eTime)
    {
        $startTime = strtotime($sTime);
        $endTime = strtotime($eTime);
        $diffDays = floor(($endTime - $startTime) / (60 * 60 * 24));
        return $diffDays;
    }

    public static function uuid()
    {
        var_dump("uuid==========");
        $container = ApplicationContext::getContainer();
        $generator = $container->get(IdGeneratorInterface::class);
        var_dump("uuid==+++++++++++",$generator->generate());
        return $generator->generate();
    }

}