方案如下： 

修改 includes/lib_insert.php 文件， 

增加一个函数 

复制代码代码如下: 

/** 

* 调用某商品的累积售出 

*/ 

function insert_goods_sells($arr) 

{ 

$sql = 'SELECT SUM(goods_number) AS number ' . 

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

" WHERE og.order_id = o.order_id and og.goods_id=".$arr['goods_id']; 

$row = $GLOBALS['db']->GetRow($sql); 

if ($row) 

{ 

$number = intval($row['number']); 

} 

else 

{ 

$number = 0; 

} 

return $number; 

} 

修改模板下goods.dwt文件 

增加一行代码 

<strong>累计售出：</strong>{insert name='goods_sells' goods_id=$id}{$goods.measure_unit}