php 设定title 如何在PHP文件里面加title呢 我想写死的

namespace addonsaskcontroller;

use appcommonmodelSignin;

class Index extends Base

{protected $layout = 'default';

/**

* 首页

*/

public function index()

{

$type = $this->request->request('type', 'new');

$questionList = \addons\ask\model\Question::getIndexQuestionList($type);

$this->view->assign('questionList', $questionList);

$this->view->assign('questionType', $type);

if ($this->request->isAjax()) {

return $this->view->fetch('ajax/get_question_list');

}

//签到

$info = get_addon_info('signin');

if ($info && $info['state']) {

$signin = \addons\signin\model\Signin::where('user_id', $this->auth->id)->whereTime('createtime', 'today')->find();

$this->view->assign('signin', $signin);

$this->view->assign('signinconfig', get_addon_config('signin'));

}

$this->view->assign('keywords', '');

$this->view->assign('description', '');

return $this->view->fetch();

}

}