main.dart
import 'package:flutter/material.dart';
import 'package:flutter_demo/pages/Search.dart'; import 'routes/Routes.dart';
void main() {
runApp(MyApp());
} class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
// TODO: implement build
return MaterialApp(
initialRoute: '/',
onGenerateRoute: onGenerateRoute
);
}
}
Product.dart
import 'package:flutter/material.dart';
class ProductPage extends StatefulWidget {
ProductPage({Key key}) : super(key: key);
_ProductPageState createState() => _ProductPageState();
}
class _ProductPageState extends State<ProductPage> {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('商品页面'),
),
body: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
RaisedButton(
child: Text('跳转到商品详情页面'),
onPressed: () {
Navigator.pushNamed(context, '/productinfo',
arguments: {"pid":});
},
color: Theme.of(context).accentColor,
textTheme: ButtonTextTheme.primary),
],
));
}
}ProductInfo.dart
import 'package:flutter/material.dart';
class ProductInfoPage extends StatefulWidget {
Map arguments;
ProductInfoPage({Key key,this.arguments}) : super(key: key); _ProductInfoPageState createState() => _ProductInfoPageState(arguments:this.arguments);
} class _ProductInfoPageState extends State<ProductInfoPage> {
Map arguments;
_ProductInfoPageState({this.arguments});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('商品详情页面'),
),
body: Text("这是一个商品详情页面pid=${arguments["pid"]}")
);
}
}
Routes.dart
import 'package:flutter/material.dart';
import '../pages/Product.dart';
import '../pages/ProductInfo.dart';
import '../pages/Form.dart';
import '../pages/Search.dart';
import '../pages/Tabs.dart'; final routes = {
'/': (context) => Tabs(),
'/form': (context) => FormPage(),
'/product': (context) =>ProductPage(),
'/productinfo': (context, {arguments}) =>ProductInfoPage(arguments: arguments),
'/search': (context, {arguments}) => SearchPage(arguments: arguments)
};
//固定写法：
var onGenerateRoute = (RouteSettings settings) {
//统一处理：
final String name = settings.name;
final Function pageContentBuilder = routes[name];
if (pageContentBuilder != null) {
if (settings.arguments != null) {
final Route route = MaterialPageRoute(
builder: (context) =>
pageContentBuilder(context, arguments: settings.arguments));
return route;
} else {
final Route route =
MaterialPageRoute(builder: (context) => pageContentBuilder(context));
return route;
}
}
};
Home.dart
import 'package:flutter/material.dart';
class HomePage extends StatelessWidget {
const HomePage({Key key}) : super(key: key); @override
Widget build(BuildContext context) {
return Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
RaisedButton(
child: Text('跳转到搜索页面'),
onPressed: (){
Navigator.pushNamed(context,'/search',arguments: {
"id":
});
},
color: Theme.of(context).accentColor,
textTheme: ButtonTextTheme.primary
),
RaisedButton(
child: Text('跳转到商品页面'),
onPressed: (){
Navigator.pushNamed(context,'/product');
}
)
],
);
}
}