/**
* 获取频道信息
*/
private function get_channel()
{
include_once ROOT_PATH . 'lib/class/channel.class.php';
$channel = new channel();
$page = isset($this->input['pp']) ? intval($this->input['pp']) : 0;
$count = isset($this->input['count']) ? intval($this->input['count']) : 4;
$channel_info = $channel->get_channels($page, $count);
$this->tpl->addVar('channel_info', $channel_info);
}