import 'package:flutter/material.dart'; import 'login_page.dart'; class StartPage extends StatefulWidget { final Widget child; StartPage({Key key, this.child}) : super(key: key); _StartPageState createState() => _StartPageState(); } class _StartPageState extends State { @override Widget build(BuildContext context) { return Container( child: Stack( alignment:Alignment.center,//如果子widget没有定位,此属性定位 children: [ Container( child:Image.asset( "lib/images/start_page.png",//本地图片路径必须和配置文件的图片路径一致 fit:BoxFit.cover ) ), Positioned( top: 30.0, right: 10.0, child:Text("99",textDirection: TextDirection.ltr,) ) ], ) ); } }