php request请求操作

class User extends Controller
{
    protected  $beforeActionList = [
        'init',
        'checkLogin' => ['except' => 'login'],
        'onlyindex' => ['only' => 'index'],
    ];

    public function _empty($name){
        echo "您访问的方法".$name;
    }

    public function init(){
        echo "执行了前置方法init<br>";
    }

    public function login(){
        echo "user/login";
    }

    public function checkLogin(){
        echo "检测login方法";
    }

    public function onlyindex(){
        echo "独占的方法";
    }

    //初始化的方法
    public function _initialize()
    {
        echo "在控制器初始化的时候执行<br>";
    }

    public function index(){
        return "User/index";
    }

    public function getUserInfo(){
        return "获取用户信息的方法";
    }
}