public function indexAction()
	{
		$errorMsg = null;
		$loginForm = new Admin_Form_Login();
		$logins = new Admin_Models_LoginMapper();
		$loginForm = $logins->formValidator($loginForm);
		$request = $this->getRequest();
		if ($request->isPost()) {
			if ($loginForm->isValid($request->getPost())) {
				if ($this->_process($loginForm->getValues())) {
					// We're authenticated! Redirect to the home page
					$value = $loginForm->getValues();
					$userName = $value['username'];
					$users = new System_Models_UserMapper();
					$userId = $users->getUserId($userName);
					$userNamespace = new Zend_Session_Namespace('userNamespace');
					$userNamespace->userId = $userId;
					// add user to online list
					$onlines = new System_Models_OnlineMapper();
					$onlines->save($userId);
					$onlines->updateOnlineUsers();
					// add user to ulog list
					$ulogs = new System_Models_UlogMapper();
					$ulogs->save($userId,'登陆');
					$this->_redirect('/');
				}
				else
				{
					$errorMsg = General_Models_Text::$text_loginFailed;
					}
			}
		}
		$this->view->errorMsg = $errorMsg;
		$this->view->loginForm = $loginForm;
	}