》一惯发风格,不多哔哔直接上代码:
import 'package:flutter/material.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: MyHomePage(title: 'Flutter Navigator'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key? key, required this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
TextButton(
child: Text("点击跳转到NewRoute页面"),
onPressed: () {
//导航到新路由
Navigator.push(
context,
MaterialPageRoute(builder: (context) {
return aaa();
}),
);
},
),
TextButton(
onPressed: () {
//导航到新路由
Navigator.push(context, MaterialPageRoute(builder: ((context) {
return bbb();
})));
},
child: Text(
"点击跳转到第二个界面",
style: TextStyle(fontSize: 20.0, color: Colors.red),
),
),
TextButton(
onPressed: () {
Navigator.push(context, MaterialPageRoute(
builder: (context) {
return ccc();
},
));
},
child: Text(
"点击跳转到第三个界面",
style: TextStyle(
fontSize: 25.0,
color: Colors.black54,
),
))
],
)),
);
}
}
class aaa extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("新界面"),
),
body: Center(
child: Text("这是跳转过来的界面"),
),
);
}
}
class bbb extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("新界面2"),
),
body:Center(
child: Text("这是跳转过来的界面2"),
),);
}
}
class ccc extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("新界面3"),
),
body: Center(
child: Text("这是跳转过来的界面3"),
),);
}
}