d\TagNav; $_result = $tagNav->getNav($param, $row, "");if(!empty($_result) && (is_array($_result) || $_result instanceof \think\Collection || $_result instanceof \think\Paginator)):$key = 0; $zz = 1;$nav4319 = $_result;if(!empty($nav4319) && count($nav4319) > 0) :foreach($nav4319 as $key=>$field): $field = $nav4319[$key];$key= $key;?>