在导航器中，您可以将要发送的数据或对象传递给其他类。
例如，
// Data need to sent second screenclass Person { final String name; final String age; Person(this.name, this.age);}// Navigate to second screen with dataNavigator.push(context, new MaterialPageRoute(builder: (context) => new SecondScreenWithData(person: new Person("Priyank","28"))));在
SecondScreenWithData课堂上，您可以通过以下方式获取传递的数据。
class SecondScreenWithData extends StatelessWidget { // Declare a field that holds the Person data final Person person; // In the constructor, require a Person SecondScreenWithData({Key key, @required this.person}) : super(key: key); @override Widget build(BuildContext context) { return new Scaffold( appBar: new AppBar( title: new Text("Second Screen With Data"), ), body: new Center( child: new Column( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: <Widget>[ // Display passed data from first screen new Text("Person Data nname: ${person.name} nage: ${person.age}"), new RaisedButton( child: new Text("Go Back!"), onPressed: () { // Navigate back to first screen when tapped! Navigator.pop(context); } ), ], ) ), ); }查看完整的导航演示
