require_once (dirname(__FILE__) . "/include/common.inc.php");
require_once(DEDEINC."/channelunit.class.php");

$aid = (isset($aid) && is_numeric($aid)) ? $aid : 0;

$rand =mt_rand(10,80);

$query = "select count(*) as dd from #@__downloads where id='$aid'";

$row = $dsql->GetOne($query);

if($row['dd'] > 0)
{
$query = "update #@__downloads set downloads=downloads+$rand where id='$aid'";
$dsql->ExecNoneQuery($query);
}else {
$query = "insert into #@__downloads(hash,id,downloads) values('null$aid','$aid',1)";
$dsql->ExecNoneQuery($query);
}

下面是实例方法。

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