import 'package:flutter/material.dart'; import '../main.dart'; class PageC extends StatelessWidget { const PageC({super.key}); @override Widget build(BuildContext context) { const Color bgColor = Color(0xffFFE6CC); return Scaffold( backgroundColor: bgColor, appBar: AppBar( title: const Text('C 界面'), backgroundColor: bgColor, leading: BackButton(onPressed: _pop), ), body: Center( child: Text('到达终点'), )); } void _pop() { router.value = List.of(router.value)..removeLast(); } }