$each_page=6;
            $diff=$rows % 6;
            $page_org=$rows / 6;
            $count=1;
            if($diff>0)
            {
                $page = floor($page_org+1);
            }
            else
            {
                $page = floor($page_org);
            }


            $page_count_start=0;
            $page_count_end=0;
            $stopwatch=0;

            if(!isset($_GET['page']) || (isset($_GET['page'])&&$_GET['page'])==1)
            {
                //echo "hello";
                $page_num=1;
                $page_count_end=$page_count_start + 6;
            }
            else
            {
                //echo "hello";
                $page_num=$_GET['page'];
                $page_count_start=$page_num + ($page_num-1) * 5;
                $page_count_end=$page_count_start + 6;
            }


            $query="SELECT * FROM DISH WHERE dish_id IN (SELECT dish_id FROM CATEGORY_MENU WHERE cat_id=$cat_id)";
            $result=queryMysql($query);
            
            while($get_details=mysql_fetch_array($result))
            {
                $stopwatch++;
                if($stopwatch<$page_count_start)
                {
                    //$stopwatch++;
                    continue;   //这里好像跳不出去，试了一下，不管进哪一页都是一样的
                }
                
                $dish_id=$get_details['dish_id'];
                $dish_price=$get_details['dish_price'];
                $dish_name=$get_details['dish_name'];
                $dish_img=$get_details['img_url'];
                $dish_descr=$get_details['dish_description'];

                //echo "$dish_id $stopwatch";

            

                $page_count_start++;

                if($page_count_start==$page_count_end+1)
                {
                    $stopwatch=0;
                    break;
                }
                             //echo ".....";
}