public function status($status = 0)
 {
     $id = array_unique((array) I('id', 0));
     $id = is_array($id) ? implode(',', $id) : $id;
     if (empty($id)) {
         $this->error('请选择要操作的数据!');
     }
     $where['goods_id'] = array('in', $id);
     $goods = D('Goods')->getGoodsById($goodsId);
     $GoodsModel = new GoodsModel();
     $GoodsModel->where($where)->save(array('status' => $status ? 0 : 1));
     $this->success('操作成功', U('Goods/index'));
 }