function rss()
{
import('ORG.Util.Rss');
$myRss = new RSS("大米CMS", C('SERVER_URL'), "大米CMS");
$list = M('article')->where('1=1')->select();
foreach ($list as $k => $v) {
$myRss->AddItem($v['title'], 'http://' . $_SERVER['SERVER_NAME'] . url('articles', $v['aid']), $v['addtime']);
}
$myRss->BuildRSS();
$myRss->SaveToFile('./feed.rss');
$myRss->getFile('./feed.rss');
}