tp分页

$cat_id=$_REQUEST['new_cid'];

      if(isset($cat_id)){

         $map="onethink_newlist.new_cid=$cat_id";

         $maps['new_cid']=$cat_id;
         $count=$Document->where($maps)->count();
      }else{

         $count=$Document->count();
      }


      $page      = new \Think\Page($count,8);

      //$list_dongtai=$dongtai->where($map)->order('add_time desc')->limit($page->firstRow.','.$page->listRows)->select();
      $list = M('newcat')
         ->join('onethink_newlist On onethink_newlist.new_cid = onethink_newcat.new_cid')->where($map)->order('onethink_newlist.sort asc')->limit($page->firstRow.','.$page->listRows)->select();

      // print_r($article);

//    print_r($list);
//    print_r($cat_list);

      $this->assign('list', $list);
      $this->assign('cat_list', $cat_list);
      $this->assign('cat_id', $cat_id);

      $this->assign('_page', $page->show());;//分页