public function actionAddBook()
 {
     $customer_id = $this->getParam('customer_id');
     $title = $this->getParam('title');
     $content = $this->getParam('content');
     $book = new HiBook();
     $book['title'] = $title;
     $book['content'] = $content;
     $book['customer_id'] = $customer_id;
     $book['insert_time'] = date('Y-m-d H:i:s', time());
     $book->insert();
     EchoUtility::echoMsgTF(true, '添加段子', $book);
 }