$smarty->assign('goods_count', get_goods_coun($goods_id)); ，

最后在模板文件goods.dwt中 {$goods_count} 直接调用就行了。

/**

* 获取商品出售总数

*

* @access public

* @param integer $goods_id

* @return integer

*/

function get_goods_count($goods_id)

{

/* 统计时间段

$period = intval($GLOBALS['_CFG']['top10_time']);

if ($period == 1) // 一年

{

$ext = "AND o.add_time >'" . local_strtotime('-1 years') . "'";

}

elseif ($period == 2) // 半年

{

$ext = "AND o.add_time > '" . local_strtotime(‘-6 months’) . "'";

}

elseif ($period == 3) // 三个月

{

$ext = " AND o.add_time > '" . local_strtotime('-3 months’) . "'";

}

elseif ($period == 4) // 一个月

{

$ext = " AND o.add_time > '" . local_strtotime('-1 months') . "'";

}

else

{

$ext = '';

}*/

/* 查询该商品销量 */

$sql = 'SELECT IFNULL(SUM(g.goods_number), 0) ' .

'FROM ' . $GLOBALS['ecs']->table('order_info') . 'AS o, ' .

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

"WHERE o.order_id = g.order_id " .

"AND o.order_status = '" . OS_CONFIRMED . "'" .

"AND o.shipping_status " . db_create_in(array(SS_SHIPPED, SS_RECEIVED)) .

" AND o.pay_status " . db_create_in(array(PS_PAYED, PS_PAYING)) .

" AND g.goods_id = '$goods_id'";

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

return $sales_count;

}

去掉注释调用指定时间段内。