$query = $_SGLOBAL['db']->query("SELECT doid FROM ".tname('doing')." WHERE uid='$uid'");
$doids = array();
while($value = $_SGLOBAL['db']->fetch_array($query)){
if($value['doid']) $doids[] = $value['doid'];
}
if(is_array($doids) && !empty($doids)) {
$_SGLOBAL['db']->query("DELETE FROM ".tname('doing')." WHERE doid IN (".simplode($doids).")");//删除记录
$_SGLOBAL['db']->query("DELETE FROM ".tname('docomment')." WHERE doid IN (".simplode($doids).")");//删除记录回复
}