public function actionIndex()
 {
     $criteria = new CDbCriteria();
     $pages = new CPagination(Book::model()->count($criteria));
     $pages->pageSize = Options::getOption('PostOnPage');
     $pages->applyLimit($criteria);
     $model = Book::model()->findAll($criteria);
     $books = array();
     foreach ($model as $item) {
         $books[] = Front::getBookAll($item->id);
     }
     $this->render('index', ['model' => $books, 'pages' => $pages]);
 }