public function actionApply($classTimeId)
 {
     $model = parent::_dataLoad(new StAdmin(), $this->_admini['userId']);
     $stuId = $model->id;
     // echo var_dump($model);
     try {
         $sql = "SELECT * FROM st_course,st_class_time WHERE st_class_time.classTimeId ='{$classTimeId}' AND st_course.courseId=st_class_time.courseId";
         if (XUtils::method() == 'POST') {
             // 提交按钮
             $data = StApply::model()->findAllByAttributes(array('stuId' => $stuId, 'classTimeId' => $classTimeId));
             // echo empty($data);
             if (empty($data)) {
                 $model = new StApply();
                 $model->stuId = $stuId;
                 $model->classTimeId = $classTimeId;
                 $model->reason = $_POST['reason'];
                 $model->state = 0;
                 if ($model->save() > 0) {
                     XUtils::message('success', '提交成功', $this->createUrl('studentLogin/courseQuery'));
                 } else {
                     XUtils::message('fail', '申请失败', $this->createUrl('studentLogin/apply'));
                 }
             } else {
                 XUtils::message('fail', '申请已存在', $this->createUrl('studentLogin/courseQuery'));
             }
         }
         // echo var_dump($sql);
         //分页获取
         $data = Yii::app()->db->createCommand($sql)->queryAll();
         $data = json_decode(CJSON::encode($data), TRUE);
         is_array($data) ? null : ($data = array());
         // 防止空数组
         // echo var_dump($data);
         $this->render('apply', array('data' => $data[0], 'stuId' => $stuId));
     } catch (Exception $e) {
         echo var_dump($e);
     }
 }