/** * 返回应用端(App)交互接口Model * * @return \HuiLib\Session\ModelInterface */ public function getModel() { if ($this->sessionModel === NULL) { $config = $this->sessionBase->getConfig(); if (!isset($config['model']) || !class_exists($config['model'], FALSE)) { $this->sessionModel = FALSE; return $this->sessionModel; } $modelClass = $config['model']; $this->sessionModel = $modelClass::getInstance(); } return $this->sessionModel; }