project-manager/api/app/admin/controller/Menu.php

<?php

namespace app\admin\controller;

use app\admin\middleware\Login;
use app\Request;

class Menu extends Base
{
    /**
     * 中间件校验
     * 1.权限
     * @var array[]
     */
    protected $middleware = [
        //except 除了某个方法不校验,其余校验
        //only 仅仅校验某个方法
        Login::class => ['except' => ['']],
//        Auth::class => ['except' => ['']],
    ];

    /**
     * 获取菜单
     * @param Request $request
     * @return void
     */
    public function list(Request $request)
    {
        $menuJson = file_get_contents(root_path() . "config/json/menu.json");
        $menu = json_decode($menuJson, true);

//        $admin = $request->admin;
        $role_codes = [];
//        if ($admin->role && $admin->role->codes) {
//            $role_codes = explode(',', $admin->role->codes);
//        }
        $role_codes[] = 'home';
        $role_codes[] = 'admin';
        $fin_menu = $this->getFinMenu($menu, $role_codes,1);
        $result = [
            'menu' => $fin_menu,
            'role' => $role_codes,
        ];
        return $this->success($result);
    }


    /**
     * @param $menu_list
     * @param $role_codes
     * @param int $is_root
     * @return array
     */
    public function getFinMenu($menu_list, $role_codes, int $is_root = 0): array
    {

        $fin_menu = [];
        foreach ($menu_list as $key => $val) {

            if (isset($val['children'])) {
                $child_list = $this->getChild($val['children']);
                $parents = false;
                foreach ($child_list as $kes => $ves) {
                    if (in_array($ves['role'], $role_codes) || $is_root) {
                        $parents = true;
                        break;
                    }
                }
                if (in_array($val['role'], $role_codes) || $parents) {
                    $item = $val;
                    $item['children'] = $this->getFinMenu($val['children'], $role_codes, $is_root);
                    $fin_menu[] = $item;
                }
            } else {
                if (isset($val['role'])) {
                    if (in_array($val['role'], $role_codes) || $is_root || $val['role'] == 'index') {
                        $fin_menu[] = $val;
                    }
                }
            }
        }

        return $fin_menu;
    }

    /**
     * 获取所有子节点
     * @param array $arrData
     * @param string $strChild
     * @return array|mixed
     */
    public function getChild(array $arrData = [], string $strChild = "children"): mixed
    {
        if (empty($arrData) || !is_array($arrData)) {
            return $arrData;
        }
        $arrRes = [];
        foreach ($arrData as $k => $v) {
            $arrTmp = $v;
            if (isset($arrTmp[$strChild])) {
                unset($arrTmp[$strChild]);
            }
            $arrRes[] = $arrTmp;
            if (isset($v[$strChild])) {
                if (!empty($v[$strChild])) {
                    $arrTmp = $this->getChild($v[$strChild]);
                    $arrRes = array_merge($arrRes, $arrTmp);
                }
            }
        }
        return $arrRes;
    }
}