ecshop全部品牌页实现分页换页的方法

if (empty($brand_id))
{

exit();
}

assign_template();
$position = assign_ur_here('', $_LANG['all_brand']);
$smarty->assign('page_title',  $position['title']);// 页面标题
$smarty->assign('ur_here', $position['ur_here']);  // 当前位置
$smarty->assign('categories',  get_categories_tree()); // 分类树
$smarty->assign('helps',   get_shop_help());   // 网店帮助
$smarty->assign('top_goods',   get_top10());   // 销售排行
  $sql = "SELECT count(*) as brand_count from ( select b.brand_id ".
"FROM " . $GLOBALS['ecs']->table('brand') . "AS b, ".
$GLOBALS['ecs']->table('goods') . " AS g ".
"WHERE g.brand_id = b.brand_id AND is_show = 1 " .
" AND g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 ".
"GROUP BY b.brand_id ) AS gb";
  $brand_count=$GLOBALS['db']->getOne($sql);  //品牌(含有商品的)数量
   $page   = !empty($_REQUEST['page'])  && intval($_REQUEST['page'])  > 0 ? intval($_REQUEST['page'])  : 1;
   $size   = 3;
   $max_page = ($brand_count> 0) ? ceil($brand_count / $size) : 1;
   if ($page > $max_page)  {$page = $max_page;}
   $start=($page - 1) * $size;$sql = "SELECT b.brand_id, b.brand_name, b.brand_logo, b.brand_desc, COUNT(*) AS goods_num, IF(b.brand_logo > '', '1', '0') AS tag ".
"FROM " . $GLOBALS['ecs']->table('brand') . "AS b, ".
$GLOBALS['ecs']->table('goods') . " AS g ".
"WHERE g.brand_id = b.brand_id AND is_show = 1 " .
" AND g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 ".
"GROUP BY b.brand_id HAVING goods_num > 0 ORDER BY tag DESC, b.sort_order ASC limit $start,$size";
  $row = $GLOBALS['db']->getAll($sql);
  foreach ($row AS $key => $val)
  {
   $row[$key]['url'] = build_uri('brand', array('cid' => $cat, 'bid' => $val['brand_id']), $val['brand_name']);
   $row[$key]['brand_desc'] = htmlspecialchars($val['brand_desc'],ENT_QUOTES);
  }
  $pager['search'] = array( );
  $pager = get_pager('brand.php', $pager['search'], $brand_count, $page, $size);
  $pager['display'] = $display;
  $smarty->assign('pager', $pager);
$smarty->assign('brand_list', $row); $smarty->display('brand_list.dwt');

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