ecshop后台通过ajax搜索

<input type="text" name="order_sn" size="15" />

listTable.filter['order_sn'] = Utils.trim(document.forms['searchForm'].elements['order_sn'].value);
listTable.filter['page'] = 1;
listTable.loadList();

$result = get_filter();
if ($result === false)
{

$filter['invoice_no'] = empty($_REQUEST['invoice_no']) ? '' : trim($_REQUEST['invoice_no']);
if ($_REQUEST['is_ajax'] == 1)
{
$filter['order_sn'] = json_str_iconv($filter['order_sn']);
}
$filter['sort_by'] = empty($_REQUEST['sort_by']) ? 'cid' : trim($_REQUEST['sort_by']);
$filter['sort_order'] = empty($_REQUEST['sort_order']) ? 'DESC' : trim($_REQUEST['sort_order']);
$sql = "SELECT COUNT(*) FROM " . $GLOBALS['ecs']->table('change') .
" WHERE 1 " . $where;
$filter['record_count'] = $GLOBALS['db']->getOne($sql);
$filter = page_and_size($filter);
/* 获活动数据 */
$sql = "SELECT * ".
" FROM " . $GLOBALS['ecs']->table('change') .
" WHERE 1 " . $where .
" ORDER by $filter[sort_by] $filter[sort_order] LIMIT ". $filter['start'] .", " . $filter['page_size'];
$filter['keywords'] = stripslashes($filter['keywords']);
set_filter($filter, $sql);
}else{
$sql = $result['sql'];
$filter = $result['filter'];
}

$arr = array('res' => $row, 'filter' => $filter, 'page_count' => $filter['page_count'], 'record_count' => $filter['record_count']);
return $arr;