ecshop 根据栏目cat_id获取商品的精品，最新，热门best, new, hot

//根据cati_id获取 推荐类型，可以是 best, new, hot

function get_cat_recommend_goods($type = '', $cat_id = 0, $cat_num = 0, $brand = 0, $min =0, $max = 0, $ext='')

{

$brand_where = ($brand > 0) ? " AND g.brand_id = '$brand'" : '';

$price_where = ($min > 0) ? " AND g.shop_price >= $min " : '';

$price_where .= ($max > 0) ? " AND g.shop_price <= $max " : '';

$sql = 'SELECT g.goods_id, g.goods_name, g.goods_name_style,g.goods_sn, g.market_price, g.shop_price AS org_price, g.promote_price,g.seller_note, ' .

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

'(select AVG(r.comment_rank) from ' . $GLOBALS['ecs']->table('comment') . ' as r where r.id_value = g.goods_id AND r.comment_type = 0 AND r.parent_id = 0 AND r.status = 1) AS comment_rank, ' .

'(select IFNULL(sum(og.goods_number), 0) from ' . $GLOBALS['ecs']->table('order_goods') . ' as og where og.goods_id = g.goods_id) AS sell_number, ' .

'promote_start_date, promote_end_date, g.goods_brief, g.goods_thumb, goods_img, b.brand_name,b.brand_id,b.brand_logo ' .

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

'LEFT JOIN ' . $GLOBALS['ecs']->table('brand') . ' AS b ON b.brand_id = g.brand_id ' .

"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 ' . $brand_where . $price_where . $ext;

$num = 0;

$type2lib = array('best'=>'recommend_best', 'new'=>'recommend_new', 'hot'=>'recommend_hot', 'promote'=>'recommend_promotion');

if($cat_num==0)

$num = get_library_number($type2lib[$type]);

else

$num = $cat_num;

switch ($type)

{

case 'best':

$sql .= ' AND is_best = 1';

break;

case 'new':

$sql .= ' AND is_new = 1';

break;

case 'hot':

$sql .= ' AND is_hot = 1';

break;

case 'promote':

$time = gmtime();

$sql .= " AND is_promote = 1 AND promote_start_date <= '$time' AND promote_end_date >= '$time'";

break;

}

$cats = get_children($cat_id);

if (!empty($cats))

{

$sql .= " AND (" . $cats . " OR " . get_extension_goods($cats) .")";

}

$order_type = $GLOBALS['_CFG']['recommend_order'];

$sql .= ($order_type == 0) ? ' ORDER BY g.sort_order, g.last_update DESC' : ' ORDER BY RAND()';

$res = $GLOBALS['db']->selectLimit($sql, $num);

$idx = 0;

$index = 1;

$goods = array();

while ($row = $GLOBALS['db']->fetchRow($res))

{

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) : '';

$goods[$idx]['promote_price2'] = $promote_price;

$goods[$idx]['saving'] = $row['market_price'] - $promote_price;

}

else

{

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

}

$index++;

$goods[$idx]['i'] = $index;

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

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

$goods[$idx]['goods_sn'] = $row['goods_sn'];

$goods[$idx]['comment_rank'] = $row['comment_rank'];

$goods[$idx]['sell_number'] = $row['sell_number'];

$goods[$idx]['seller_note'] = $row['seller_note'];

$goods[$idx]['is_new'] = $row['is_new'];

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

$goods[$idx]['brand_name'] = $row['brand_name'];

$goods[$idx]['brand_id'] = $row['brand_id'];

$goods[$idx]['brand_logo'] = $row['brand_logo'];

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

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

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

$goods[$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']);

$goods[$idx]['promote_limit_time'] = $row['promote_end_date'] - $row['promote_start_date'];

$goods[$idx]['promote_end_date'] = local_date('m/d/Y H:i:s', $row['promote_end_date']);

$goods[$idx]['promote_end_date2'] = $row['promote_end_date'];

$market_price = $row['market_price'];

$promote_price = $goods[$idx]['promote_price2'];

$shop_price = $row['shop_price'];

$goods[$idx]['saving'] = $market_price - $promote_price;
$goods[$idx]['save_rate'] = $market_price ? round(($promote_price/ $market_price), 2)*10 : 0;

$goods[$idx]['save_rate2'] = $market_price ? round(($shop_price/ $market_price), 2)*10 : 0;

$goods[$idx]['short_style_name'] = add_style($goods[$idx]['short_name'], $row['goods_name_style']);

$idx++;

}

return $goods;

}