55 lines
1.0 KiB
PHP
55 lines
1.0 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: Administrator
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* Date: 2018/11/13 0013
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* Time: 上午 10:50
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*/
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namespace app\service;
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use think\Collection;
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class MenuService
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{
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/**
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* 树形结构
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*
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* @time at 2018年11月13日
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* @param $menu
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* @return Collection
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*/
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public function tree(Collection $menus, int $pid = 0)
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{
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$collection = new Collection();
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$menus->each(function ($item, $key) use ($pid, $menus, $collection){
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if ($item->pid == $pid) {
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$collection[$key] = $item;
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$collection[$key][$item->id] = $this->tree($menus, $item->id);
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}
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});
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return $collection;
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}
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/**
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* 顺序结构
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*
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* @time at 2018年11月13日
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* @param $menu
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* @return Collection
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*/
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public function sort(Collection $menus, int $pid = 0, int $level = 0)
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{
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$collection = [];
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foreach ($menus as $menu) {
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if ($menu->pid == $pid) {
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$menu->level = $level;
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$collection[] = $menu;
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$collection = array_merge($collection, $this->sort($menus, $menu->id, $level+1));
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}
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}
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return $collection;
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}
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} |