// 递归重新排序无限极子分类数组

function recursive($array,$pid=0,$level=0){

    $arr = array();

    foreach ($array as $v) {

        if($v['pid'] == $pid){

            $v['level'] = $level;

            $v['html'] = str_repeat('--',$level);

            $arr[] = $v;

            $arr = array_merge($arr,recursive($array,$v['id'],$level+1));

        }

    }

    return $arr;

}

public function index(){

    $cateTopList = M('category')->select();

    $cateTopList = recursive($cateTopList);

    $this->assign('cateTopList',$cateTopList);

    $this->display();

}