public function editAdminBox()
{
// 获取分享ID
$data['feedId'] = intval($_REQUEST['feed_id']);
// 频道分类ID
$data['channelId'] = empty($_REQUEST['channel_id']) ? 0 : intval($_REQUEST['channel_id']);
// 获取全部频道列表
$data['categoryList'] = $this->_model_category->getCategoryList();
// 获取该分享已经选中的频道
$data['selectedChannels'] = D('Channel', 'channel')->getSelectedChannels($data['feedId']);
$this->assign($data);
$this->display();
}