public function actionImport()
 {
     if (isset($_POST['media'])) {
         $arr = preg_split('/[,]/', $_POST['media']);
         $file_path = Yii::getPathOfAlias('webroot') . '/uploads/' . $arr[0];
         $sheet_array = Yii::app()->yexcel->readActiveSheet($file_path);
         $countError = 0;
         $rowError = '';
         $index = 1;
         foreach ($sheet_array as $row) {
             if ($index > 1) {
                 try {
                     $code = trim($sheet_array[$index]['B']);
                     $model = Product::model()->findByAttributes(array('code' => $code));
                     if ($model === null) {
                         $model = new Product();
                     }
                     $model->name = trim($sheet_array[$index]['A']);
                     $model->non_utf8_name = Common::removeUnicodeURL($model->name);
                     if ($code == '') {
                         $model->code = 'SP_';
                     } else {
                         $model->code = $code;
                     }
                     $model->model = trim($sheet_array[$index]['C']);
                     $model->color = trim($sheet_array[$index]['D']);
                     $model->origin = trim($sheet_array[$index]['E']);
                     $model->unit = trim($sheet_array[$index]['F']);
                     $model->price = trim($sheet_array[$index]['G']);
                     $model->discount = trim($sheet_array[$index]['H']);
                     $model->summary = trim($sheet_array[$index]['I']);
                     $strCategory = trim($sheet_array[$index]['J']);
                     $strCategory = Common::removeUnicodeURL($strCategory);
                     $category = ProductCategories::model()->findByAttributes(array('non_utf8_name' => $strCategory));
                     if ($category != null) {
                         $model->productCategories = $category->id;
                     }
                     $model->description = trim($sheet_array[$index]['K']);
                     $model->order = trim($sheet_array[$index]['L']);
                     $media = trim($sheet_array[$index]['M']);
                     if ($media == '') {
                         $media = '-';
                     }
                     $model->createdby = Yii::app()->user->id;
                     $model->createdatetime = new CDbExpression('NOW()');
                     $model->setRelationRecords('media', $this->getRelationMedia('tbl_product', $media));
                     if (!$model->save()) {
                         $rowError = $rowError . $index . ',';
                         $countError += 1;
                     } else {
                         if ($code == '') {
                             $model->code = sprintf('SP_%1$06d', $model->id);
                             $model->save();
                         }
                     }
                 } catch (Exception $e) {
                     //throw new CHttpException(500,$e->getMessage());
                     $rowError = $rowError . $index . ',';
                     $countError += 1;
                 }
             }
             $index += 1;
         }
         if ($countError == 0) {
             Yii::app()->user->setFlash('importdata', 'Quá trình nhập liệu thành công!');
         } else {
             Yii::app()->user->setFlash('importdata', 'Có ' . $countError . ' dòng (' . substr($rowError, 0, -1) . ') trong ' . (count($sheet_array) - 1) . ' dòng dữ liệu xảy ra lỗi trong quá trình nhập liệu!');
         }
         $this->refresh();
     }
     $this->render('import');
 }