在ecshop后台的订单详情页显示本单商品总数的方法

$res = $db->query($sql);

$goods_nums=0;

$goods_list[] = $row;

$goods_nums+=$row['goods_number'];

$smarty->assign('goods_list', $goods_list);

$smarty->assign('goods_nums', $goods_nums);

<td></td>
<td>;</td>
<td>;</td>

<td></td>
<td>{if $goods_nums}<div align="right"><strong>商品总数：</strong></div>{/if}</td>
<td>{if $goods_nums}<div align="right">{$goods_nums}</div>{/if}</td>