直接上代码

     private function getControllers($type = 1){
        $file = opendir(__DIR__);
        $controllers = array();
        if($file){
            while(($f1 = readdir($file)) !== false){
                if($f1 != "." && $f1 != ".." && !is_dir($f1)){
                    $controller_names = basename($f1,'.php');
                    if($type == 2){
                        $temp_array = $this->getMethods($controller_names);
                        $controllers[$controller_names] = $temp_array;
                    }else{
                        $temp_array = $controller_names;
                        $controllers[] = $temp_array;
                    }
                }
            }
        }
        closedir($file);
        return $controllers;
    }
    /**
     * 使用反射机制映射出对应类的方法名 去除继承的方法以及私有方法
     * @param $controller
     * @return array
     */
    private function getMethods($controller)
    {
        $controller = __NAMESPACE__.DIRECTORY_SEPARATOR.$controller;
        $method = array();
        $class = new \ReflectionObject(new $controller());
        //获取父类的方法
        foreach ($class->getParentClass()->getMethods() as $v){
            if(!$v->isPrivate()) $method[] = $v->getName();
        }
        $true_methods = array();
        //去除继承的方法
        foreach ($class->getMethods() as $v){
            if(!$v->isPrivate()) {
                if(!in_array($v->getName(),$method)){
                    $true_methods[] = $v->getName();
                }
            }
        }
        return $true_methods;
    }