dede点击次数统计去重

//UpdateStat();
if(!empty($maintable) && $bFirst)
{
    $dsql->ExecuteNoneQuery(" UPDATE `{$maintable}` SET click=click+1 WHERE {$idtype}='$aid' ");
}
if(!empty($mid) && $bFirst)
{
    $dsql->ExecuteNoneQuery(" UPDATE `dede_member_tj` SET pagecount=pagecount+1 WHERE mid='$mid' ");
}