function get_nav($pid)
{
if (!$pid) {
return;
}
//$pinfo = self::selects(null, null, array('channel_id'=>$pid),array(),array('assoc|table=channel'=>null));
$path = $pinfo['path'];
$channel = new channel();
$channel->channel_id = $pid;
$channel->select();
//$path = preg_replace('/[0]+/is','',$pinfo['path']);//当前id也在path里。
$path = trim($channel->path, ',');
if (!$path) {
self::update_path($pid);
return self::get_nav($pid);
}
$paths = explode(',', $path);
$paths = array_map('intval', $paths);
//pecho($pid);
//pecho($paths);
//if($path[count($path)]!=$pid)$path.=','.$pid;
//$sql = "SELECT * FROM channel WHERE channel_id IN($path)";
//$pinfos = self::selects($sql,null,true,null,array(null,'assoc'=>null));
$pinfos = self::selects(null, null, array('channel_id' => explode(',', $path)), array(), array(null, 'assoc|table=channel' => null));
foreach ($pinfos as $k => $v) {
if ($v['channel_id'] != $pid) {
$nav .= '<a href="?go=channel&do=detail&channel_id=' . $v['channel_id'] . '">' . $v['name'] . '</a>»';
} else {
$nav .= '<strong>' . $v['name'] . '</strong>';
}
}
return $nav;
}