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| import 'package:flutter/material.dart';
void main() { runApp(const Router()); }
class Router extends StatefulWidget { const Router({super.key});
@override State<Router> createState() => _RouterState(); }
class _RouterState extends State<Router> { @override Widget build(BuildContext context) { return MaterialApp( initialRoute: "/app", routes: { "/app": (context) => const App(), "/page": (context) => const Page(), }, ); } }
class App extends StatefulWidget { const App({super.key,});
@override State<App> createState() => _AppState(); }
class _AppState extends State<App> { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar( title: const Text("文本内容"), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ ElevatedButton( onPressed: () { Navigator.pushNamed(context, "/page"); }, child: const Text("文本内容"), ) ], ), ), ), ); } }
class Page extends StatefulWidget { const Page({super.key,});
@override State<Page> createState() => _PageState(); }
class _PageState extends State<Page> { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar( title: const Text("文本内容"), ), body: const Center( child: Text( "文本内容", textDirection: TextDirection.ltr, ), ), ), ); } }
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