<?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(); } }