<?php

//reqeuestFacade.php

    namespace facade{

        class Request extends Facade{

            public function getFacadeName(){

                return 'request';

            }

        }

    }

?>

<?php

//facade.php

namespace facade{

    class Facade{

        public static function createFacade(){

            $class = static::class; //在这个获取的$class其实是facade\reqeust

            //在这里利用static::得到getFacadeName，返回真正的request的变量名

            $facadeClass = static::getFacadeName();

            if ($facadeClass) {

                $class = $facadeClass;

            } elseif (isset(self::$bind[$class])) {

                $class = self::$bind[$class];

            }

            //echo $class;

            利用容器去获取reqeust，而不是facade\reqeust

            return \Container::get($class);

        }

        public static function __callStatic($method, $params)

        {

            return call_user_func_array([static::createFacade(), $method], $params);

        }

    }

}

?>

<?php

class Request{

    public $name = 'Real Request';

    public  function sayName(){

        echo $this->name;

    }

}

?>

<?php

    use facade\Request;

    include "Container.php";

    include "Facade.php";

    include "RequestFacade.php";

    include "Request.php";

    Request::sayName();

?>