/**
* 执行指定的 Action 方法
*
* @param QContext $context
* @param array $args
*
* @return mixed
*/
protected function _executeAction(QContext $context, array $args = array())
{
// 检查是否有权限访问
$controller_name = $context->controller_name;
$action_name = $context->action_name;
$namespace = $context->namespace;
$module = $context->module_name;
QLog::log(sprintf('Execute controller action: "%s".', $context->getRequestUDI()));
if (!$this->checkAuthorized($controller_name, $action_name, $namespace, $module)) {
$response = call_user_func($context->getIni('dispatcher_on_access_denied'), $context);
} else {
// 尝试载入控制器
$class_name = $context->getIni('controller_class_prefix') . 'Controller_';
if ($namespace) {
$class_name .= ucfirst($namespace) . '_';
}
$class_name .= ucfirst(str_replace('_', '', $controller_name));
$app_config = self::getAppConfig($this->_appid);
if ($module) {
$dir = $app_config['ROOT_DIR'] . "/modules/{$module}/controller";
} else {
$dir = $app_config['ROOT_DIR'] . "/app/controller";
}
if ($namespace) {
$dir .= DS . $namespace;
}
// 构造控制器对象
try {
$filename = $controller_name . '_controller.php';
Q::loadClassFile($filename, array($dir), $class_name);
} catch (QException $ex) {
$response = call_user_func($this->context->getIni('dispatcher_on_action_not_found'), $context);
if (is_null($response)) {
$response = '';
}
}
if (!isset($response)) {
$controller = new $class_name($this, $context);
/* @var $controller QController_Abstract */
if ($context->isAJAX()) {
$controller->view = null;
}
$response = $controller->_execute($args);
}
}
if (is_object($response) && method_exists($response, 'execute')) {
$response = $response->execute();
} elseif ($response instanceof QController_Forward) {
// 更新 flash message
$key = $this->context->getIni('app_flash_message_key');
unset($_SESSION[$key]);
$response = $this->_executeAction($response->context, $response->args);
}
return $response;
}
