获得指定分类下的商品:assign_cat_goods()

/**

* 获得指定分类下的商品

*

* @access  public

* @param   integer     $cat_id     分类ID

* @param   integer     $num        数量

* @param   string      $from       来自web/wap的调用

* @param   string      $order_rule 指定商品排序规则

* @return  array

*/

function assign_cat_goods($cat_id, $num = 0, $from = 'web', $order_rule = '')

{

$children = get_children($cat_id);

$sql = 'SELECT g.goods_id, g.goods_name, g.market_price, g.shop_price AS org_price, ' .

"IFNULL(mp.user_price, g.shop_price * '$_SESSION[discount]') AS shop_price, ".

'g.promote_price, promote_start_date, promote_end_date, g.goods_brief, g.goods_thumb, g.goods_img ' .

"FROM " . $GLOBALS['ecs']->table('goods') . ' AS g '.

"LEFT JOIN " . $GLOBALS['ecs']->table('member_price') . " AS mp ".

"ON mp.goods_id = g.goods_id AND mp.user_rank = '$_SESSION[user_rank]' ".

'WHERE g.is_on_sale = 1 AND g.is_alone_sale = 1 AND '.

'g.is_delete = 0 AND (' . $children . 'OR ' . get_extension_goods($children) . ') ';

$order_rule = empty($order_rule) ? 'ORDER BY g.sort_order, g.goods_id DESC' : $order_rule;

$sql .= $order_rule;

if ($num > 0)

{

$sql .= ' LIMIT ' . $num;

}

$res = $GLOBALS['db']->getAll($sql);

$goods = array();

foreach ($res AS $idx => $row)

{

if ($row['promote_price'] > 0)

{

$promote_price = bargain_price($row['promote_price'], $row['promote_start_date'], $row['promote_end_date']);

$goods[$idx]['promote_price'] = $promote_price > 0 ? price_format($promote_price) : '';

}

else

{

$goods[$idx]['promote_price'] = '';

}

$goods[$idx]['id']           = $row['goods_id'];

$goods[$idx]['name']         = $row['goods_name'];

$goods[$idx]['brief']        = $row['goods_brief'];

$goods[$idx]['market_price'] = price_format($row['market_price']);

$goods[$idx]['short_name']   = $GLOBALS['_CFG']['goods_name_length'] > 0 ?

sub_str($row['goods_name'], $GLOBALS['_CFG']['goods_name_length']) : $row['goods_name'];

$goods[$idx]['shop_price']   = price_format($row['shop_price']);

$goods[$idx]['thumb']        = get_image_path($row['goods_id'], $row['goods_thumb'], true);

$goods[$idx]['goods_img']    = get_image_path($row['goods_id'], $row['goods_img']);

$goods[$idx]['url']          = build_uri('goods', array('gid' => $row['goods_id']), $row['goods_name']);

}

if ($from == 'web')

{

$GLOBALS['smarty']->assign('cat_goods_' . $cat_id, $goods);

}

elseif ($from == 'wap')

{

$cat['goods'] = $goods;

}

/* 分类信息 */

$sql = 'SELECT cat_name FROM ' . $GLOBALS['ecs']->table('category') . " WHERE cat_id = '$cat_id'";

$cat['name'] = $GLOBALS['db']->getOne($sql);

$cat['url']  = build_uri('category', array('cid' => $cat_id), $cat['name']);

$cat['id']   = $cat_id;

$cat['cat_id'] = get_child_tree($cat_id);//增加子类别调用 by Bragg

return $cat;

}