flutter推荐路由器插件：go_router

flutter pub add go_router

dependencies:
  go_router: ^3.0.4

// views.dart 用于定义视图
// 视图1
class View1 extends StatelessWidget {...}
// 视图2
class View2 extends StatelessWidget {...}

// routes.dart 用于定义路由器
import 'package:go_router/go_router.dart';
import './views' // 导入定义的视图
// 项目路由
class App extends StatelessWidget {
  App({Key? key}) : super(key: key);
  @override
  Widget build(BuildContext context) => MaterialApp.router(
        routeInformationParser: _router.routeInformationParser,
        routerDelegate: _router.routerDelegate,
        title: 'GoRouter Example',
      );
  final GoRouter _router = GoRouter(
    routes: <GoRoute>[
      GoRoute(path: '/', builder: (BuildContext context, GoRouterState state) => const View1()),
      GoRoute(path: '/page2',builder: (BuildContext context, GoRouterState state) => const View2 ()),
    ],
  );
}