Flutter 2.0的路由把我搞懵了

前言

前面几篇介绍了 Flutter 的路由，包括使用自带的 Navigator 和使用 fluro 路由插件，实际上两种方式都能满足日常开发的使用。但是，如果你上 Flutter 的官网，就会发现关于路由，有这么一段内容：

To learn about Flutter’s original (1.0) navigation and routing mechanism, see the Navigation recipes in the Flutter cookbook and the Navigator API docs. The original navigation model uses an imperative approach.
To learn about Flutter’s updated (2.0) navigation and routing mechanism, which uses a declarative approach, see Learning Flutter’s new navigation and routing system.
Note that this new mechanism isn’t a breaking change—you can continue to use the original