public function appreciationMore()
 {
     $video_id = Input::get('video_id');
     $video = Appreciation::find($video_id);
     if ($video != null) {
         return Response::json(array('errCode' => 0, 'message' => '可播放视频', 'viedo' => $video));
     }
     return Response::json(array('errCode' => 1, 'message' => '无可播放视频'));
 }
 public function editAppreciation()
 {
     $appreciation_id = Input::get('appreciation_id');
     $title = Input::get('title');
     $video = Input::get('video');
     $data = array('title' => $title, 'video' => $video);
     $rules = array('title' => 'required', 'video' => 'required');
     $validation = Validator::make($data, $rules);
     if ($validation->fails()) {
         return Response::json(array('errCode' => 1, 'message' => '信息填写不完整!'));
     }
     $appreciation = Appreciation::find($appreciation_id);
     $appreciation->title = $title;
     $appreciation->video = $video;
     if (!$appreciation->save()) {
         return Response::json(array('errCode' => 2, 'message' => '编辑失败!'));
     }
     return Response::json(array('errCode' => 0, 'message' => '编辑成功!'));
 }