public function actionClassPage()
 {
     if (isset($_GET["classid"])) {
         $spCriteria = new CDbCriteria();
         $spCriteria->select = "*";
         $spCriteria->condition = "class_id = " . $_GET["classid"];
         $userCriteria = new CDbCriteria();
         $userCriteria->select = "*";
         $userCriteria->condition = "class_id = " . $_GET["classid"];
         $user = ClassUser::model()->findAll($userCriteria);
         $postCriteria = new CDbCriteria();
         $postCriteria->select = "*";
         $postCriteria->order = "post_id DESC";
         $postCriteria->condition = "post_class =" . $_GET["classid"];
         $post = Post::model()->findAll($postCriteria);
         $postUserCriteria = new CDbCriteria();
         $postUserCriteria->select = "*";
         $postUserCriteria->order = "user_id ASC";
         $postUser = User::model()->findAll($postUserCriteria);
         //            if ($user) {
         //
         //                if (Yii::app()->session['token'] != "") {
         $number_of_user = count($user);
         $commentCriteria = new CDbCriteria();
         $commentCriteria->select = "*";
         $commentCriteria->order = "comment_id ASC";
         $comment = Comment::model()->findAll($commentCriteria);
         $this->render('classPage', array('detail_classpage' => class_model::model()->findAll($spCriteria), 'number_of_user' => $number_of_user, 'post' => $post, 'postUser' => $postUser, 'comment_array' => $comment));
         //                } else {
         //                    $this->redirect('welcomePage');
         //                }
         //            } else {
         //                $this->redirect('welcomePage');
         //            }
         //        } else {
         //            $this->redirect('welcomePage');
     }
 }