ecshop增加自定义虚拟销量的实现方法

<?php
/**
* ECSHOP 自定义销量 数据库补丁
* ----------------------------------------------------------------------------
*/
define('IN_ECS', true);
require(dirname(__FILE__) . '/includes/init.php');
$sql = "
ALTER TABLE `{$prefix}goods` ADD `sales_volume_base` INT( 10 ) UNSIGNED NOT NULL DEFAULT '0' COMMENT '销量基数'
";
$db->query($sql);
echo '数据库补丁程序执行成功，请立即删除此补丁文件(db_patch.php)。';

*------------------------------------------------------ */
//-- 修改商品销量基数
/*------------------------------------------------------ */
elseif ($_REQUEST['act'] == 'edit_sales_volume_base')
{
check_authz_json('goods_manage');
$goods_id = intval($_POST['id']);
$sales_volume_base = json_str_iconv(trim($_POST['val']));
if ($exc->edit("sales_volume_base = '$sales_volume_base', last_update=" .gmtime(), $goods_id))
{
clear_cache_files();
make_json_result(stripslashes($sales_volume_base));
}
}

sql = "SELECT goods_id, goods_name, goods_type, goods_sn, shop_price, is_on_sale, is_best, is_new, is_hot, sort_order, goods_number, integral, sales_volume_base, " .
" (promote_price > 0 AND promote_start_date <= '$today' AND promote_end_date >= '$today') AS is_promote ".
" FROM " . $GLOBALS['ecs']->table('goods') . " AS g WHERE is_delete='$is_delete' $where" .
" ORDER BY $filter[sort_by] $filter[sort_order] ".
" LIMIT " . $filter['start'] . ",$filter[page_size]";

<table cellpadding="3" cellspacing="1">
<tr>
<th>
<input onclick='listTable.selectAll(this, "checkboxes")' type="checkbox" />
<a href="javascript:listTable.sort('goods_id'); ">{$lang.record_id}</a>{$sort_goods_id}
</th>
<th><a href="javascript:listTable.sort('goods_name'); ">{$lang.goods_name}</a>{$sort_goods_name}</th>
<th><a href="javascript:listTable.sort('goods_sn'); ">{$lang.goods_sn}</a>{$sort_goods_sn}</th>
<th><a href="javascript:listTable.sort('shop_price'); ">{$lang.shop_price}</a>{$sort_shop_price}</th>
<th><a href="javascript:listTable.sort('is_on_sale'); ">{$lang.is_on_sale}</a>{$sort_is_on_sale}</th>
<th><a href="javascript:listTable.sort('is_best'); ">{$lang.is_best}</a>{$sort_is_best}</th>
<th><a href="javascript:listTable.sort('is_new'); ">{$lang.is_new}</a>{$sort_is_new}</th>
<th><a href="javascript:listTable.sort('is_hot'); ">{$lang.is_hot}</a>{$sort_is_hot}</th>
<th><a href="javascript:listTable.sort('sort_order'); ">{$lang.sort_order}</a>{$sort_sort_order}</th>
 {if $use_storage}
<th><a href="javascript:listTable.sort('goods_number'); ">{$lang.goods_number}</a>{$sort_goods_number}</th>
{/if}
<th><a href="javascript:listTable.sort('sales_volume_base'); ">{$lang.sales_volume_base}</a>{$sort_sales_volume_base}</th>
<th>{$lang.handler}</th>
<tr>
{foreach from=$goods_list item=goods}
<tr>
<td><input type="checkbox" name="checkboxes[]" value="{$goods.goods_id}" />{$goods.goods_id}</td>
<td class="first-cell" style="{if $goods.is_promote}color:red;{/if}"><span onclick="listTable.edit(this, 'edit_goods_name', {$goods.goods_id})">{$goods.goods_name|escape:html}</span></td>
<td><span onclick="listTable.edit(this, 'edit_goods_sn', {$goods.goods_id})">{$goods.goods_sn}</span></td>
<td align="right"><span onclick="listTable.edit(this, 'edit_goods_price', {$goods.goods_id})">{$goods.shop_price}
</span></td>
<td align="center"><img src="images/{if $goods.is_on_sale}yes{else}no{/if}.gif" onclick="listTable.toggle(this, 'toggle_on_sale', {$goods.goods_id})" /></td>
<td align="center"><img src="images/{if $goods.is_best}yes{else}no{/if}.gif" onclick="listTable.toggle(this, 'toggle_best', {$goods.goods_id})" /></td>
<td align="center"><img src="images/{if $goods.is_new}yes{else}no{/if}.gif" onclick="listTable.toggle(this, 'toggle_new', {$goods.goods_id})" /></td>
<td align="center"><img src="images/{if $goods.is_hot}yes{else}no{/if}.gif" onclick="listTable.toggle(this, 'toggle_hot', {$goods.goods_id})" /></td>
<td align="center"><span onclick="listTable.edit(this, 'edit_sort_order', {$goods.goods_id})">{$goods.sort_order}</span></td>
 {if $use_storage}
<td align="right"><span onclick="listTable.edit(this, 'edit_goods_number', {$goods.goods_id})">{$goods.goods_number}</span></td>
{/if}
<td align="center"><span onclick="listTable.edit(this, 'edit_sales_volume_base', {$goods.goods_id})">{$goods.sales_volume_base}</span></td>
<td align="center">
<a href="../goods.php?id={$goods.goods_id}" target="_blank" title="{$lang.view}"><img src="images/icon_view.gif" width="16" height="16" border="0" /></a>
<a href="goods.php?act=edit&goods_id={$goods.goods_id}{if $code neq 'real_goods'}&extension_code={$code}{/if}" title="{$lang.edit}"><img src="images/icon_edit.gif" width="16" height="16" border="0" /></a>
<a href="goods.php?act=copy&goods_id={$goods.goods_id}{if $code neq 'real_goods'}&extension_code={$code}{/if}" title="{$lang.copy}"><img src="images/icon_copy.gif" width="16" height="16" border="0" /></a>
<a href="javascript:;" onclick="listTable.remove({$goods.goods_id}, '{$lang.trash_goods_confirm}')" title="{$lang.trash}"><img src="images/icon_trash.gif" width="16" height="16" border="0" /></a>
{if $specifications[$goods.goods_type] neq ''}<a href="goods.php?act=product_list&goods_id={$goods.goods_id}" title="{$lang.item_list}"><img src="images/icon_docs.gif" width="16" height="16" border="0" /></a>{else}<img src="images/empty.gif" width="16" height="16" border="0" />{/if}
{if $add_handler}
|
{foreach from=$add_handler item=handler}
<a href="{$handler.url}&goods_id={$goods.goods_id}" title="{$handler.title}"><img src="images/{$handler.img}" width="16" height="16" border="0" /></a>
{/foreach}
{/if}
</td>
</tr>
{foreachelse}
<tr><td class="no-records">{$lang.no_records}</td></tr>
{/foreach}
</table>

$_LANG['sales_volume_base'] = '销量基数';

/**
* 获得商品的详细信息
*
* @access public
* @param integer $goods_id
* @return void
*/
function get_goods_info($goods_id)
{
$time = gmtime();
$sql = 'SELECT g.*, c.measure_unit, b.brand_id, b.brand_name AS goods_brand, m.type_money AS bonus_money, ' .
'IFNULL(AVG(r.comment_rank), 0) AS comment_rank, ' .
"IFNULL(mp.user_price, g.shop_price * '$_SESSION[discount]') AS rank_price " .
'FROM ' . $GLOBALS['ecs']->table('goods') . ' AS g ' .
'LEFT JOIN ' . $GLOBALS['ecs']->table('category') . ' AS c ON g.cat_id = c.cat_id ' .
'LEFT JOIN ' . $GLOBALS['ecs']->table('brand') . ' AS b ON g.brand_id = b.brand_id ' .
'LEFT JOIN ' . $GLOBALS['ecs']->table('comment') . ' AS r '.
'ON r.id_value = g.goods_id AND comment_type = 0 AND r.parent_id = 0 AND r.status = 1 ' .
'LEFT JOIN ' . $GLOBALS['ecs']->table('bonus_type') . ' AS m ' .
"ON g.bonus_type_id = m.type_id AND m.send_start_date <= '$time' AND m.send_end_date >= '$time'" .
" 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.goods_id = '$goods_id' AND g.is_delete = 0 " .
"GROUP BY g.goods_id";
$row = $GLOBALS['db']->getRow($sql);
/* 查询该商品的实际销量 */
$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);
/* 累计销量 = 自定义销量基数 + 实际销量 */
$row['sales_volume_total'] = $row['sales_volume_base'] + $sales_count;
if ($row !== false)
{
/* 用户评论级别取整 */
$row['comment_rank'] = ceil($row['comment_rank']) == 0 ? 5 : ceil($row['comment_rank']);
/* 获得商品的销售价格 */
$row['market_price'] = price_format($row['market_price']);
$row['shop_price_formated'] = price_format($row['shop_price']);
/* 修正促销价格 */
if ($row['promote_price'] > 0)
{
$promote_price = bargain_price($row['promote_price'], $row['promote_start_date'], $row['promote_end_date']);
}
else
{
$promote_price = 0;
}
/* 处理商品水印图片 */
$watermark_img = '';
if ($promote_price != 0)
{
$watermark_img = "watermark_promote";
}
elseif ($row['is_new'] != 0)
{
$watermark_img = "watermark_new";
}
elseif ($row['is_best'] != 0)
{
$watermark_img = "watermark_best";
}
elseif ($row['is_hot'] != 0)
{
$watermark_img = 'watermark_hot';
}
if ($watermark_img != '')
{
$row['watermark_img'] = $watermark_img;
}
$row['promote_price_org'] = $promote_price;
$row['promote_price'] = price_format($promote_price);
/* 修正重量显示 */
$row['goods_weight'] = (intval($row['goods_weight']) > 0) ?
$row['goods_weight'] . $GLOBALS['_LANG']['kilogram'] :
($row['goods_weight'] * 1000) . $GLOBALS['_LANG']['gram'];
/* 修正上架时间显示 */
$row['add_time'] = local_date($GLOBALS['_CFG']['date_format'], $row['add_time']);
/* 促销时间倒计时 */
$time = gmtime();
if ($time >= $row['promote_start_date'] && $time <= $row['promote_end_date'])
{
$row['gmt_end_time'] = $row['promote_end_date'];
}
else
{
$row['gmt_end_time'] = 0;
}
/* 是否显示商品库存数量 */
$row['goods_number'] = ($GLOBALS['_CFG']['use_storage'] == 1) ? $row['goods_number'] : '';
/* 修正积分：转换为可使用多少积分（原来是可以使用多少钱的积分） */
$row['integral'] = $GLOBALS['_CFG']['integral_scale'] ? round($row['integral'] * 100 / $GLOBALS['_CFG']['integral_scale']) : 0;
/* 修正优惠券 */
$row['bonus_money'] = ($row['bonus_money'] == 0) ? 0 : price_format($row['bonus_money'], false);
/* 修正商品图片 */
$row['goods_img'] = get_image_path($goods_id, $row['goods_img']);
$row['goods_thumb'] = get_image_path($goods_id, $row['goods_thumb'], true);
return $row;
}
else
{
return false;
}
}

<li class="clearfix">
<dd>
<strong>{$lang.sales_volume_total}<font color="#FE596A" size="2">{$goods.sales_volume_total}{$lang.pcs}</font></strong>
</dd>
<dd>
</dd>
</li>

$_LANG['sales_volume_total'] = '累计销量：';
$_LANG['pcs'] = '件';