1. // 递归：菜单分类显示
    2.     public function levelList($table ='mvc_category', $id = 0,$data_list = [],$level=0){
    4.         // 查询出来所有的一级
    5.         $data = Db::table($table)->where([
    6.             'fid'=>$id
    7.             ])->select();
    9.         // 组装数据
    10.         foreach($data as $k => $v){
    11.             $data_list[$v['id']]['name'] = str_repeat('  ',$level).'|-'.$v['name'];
    14.             $data_list[$v['id']]['id'] = $v['id'];
    16.             $data_list[$v['id']]['fid'] = $v['fid'];
    18.             if(isset($v['type'])){
    19.                 $data_list[$v['id']]['type'] = $v['type'];
    20.             }
    22.             if(isset($v['module'])){
    23.                 $data_list[$v['id']]['module'] = $v['module'];
    24.             }
    26.             $data_list[$v['id']]['level'] = $level;
    28.             $data_list = $this->levelList($table,$v['id'],$data_list,$level+1);
    31.         }    
    33.         return $data_list;
    36.     }