ecshop商品详情页增加已售商品数量和评论数量的方法

1.打开 goods.php 文件，在此文件最下面加入如下两个函数
function get_buy_sum($goods_id)
{
$sql = ‘SELECT INULLSUM(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’”;
return $GLOBALS[‘db’]->getOne($sql);
}

function get_comment_num($goods_id)  {
$sql= “sel ect count(*)  from “.$GLOBALS[‘ecs’]->table(‘comment’).” where id_value=’”.$goods_id.”‘  AND status = 1″;
return $GLOBALS[‘db’]->getOne($sql);
}

2.继续修改 goods.php 文件
找到
$smarty->display(‘goods.dwt’, $cache_id);
在此代码前面添加
$smarty->assign(‘buy_num’,get_buy_sum($goods_id));
$smarty->assign(‘comment_num’,get_comment_num($goods_id));

3.打开 /themes/模板文件夹/goods.dwt 文件，在需要的地方加入如下代码
<!– {if $buy_num} 已出售量–>
<li class=”clearfix”>
<dd>
<strong>累计售出：</strong>{$buy_num}
</dd>
</li>
<!–{/if}–>
<!– {if $comment_num} 评论数量–>
<li class=”clearfix”>
<dd>
<strong>评论数量：</strong><a href=”#comment”>{$comment_num}</a>
</dd>
</li>
<!–{/if}–>

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