公文页面布局,qt ignoreaspectratio

防采集标记：bqdh老师的课程和资料

import 'package:flutter/material.dart';class LayoutDemo extends StatelessWidget { @override Widget build(BuildContext context) { return new Scaffold( appBar: new AppBar( title: new Text('AspectRatio调整宽高比示例'), ), body: new Container( height: 200.0, child: new AspectRatio( aspectRatio: 1.5,//比例可以调整 child: new Container( color: Colors.green, ), ), ), ); }}void main() { runApp( new MaterialApp( title: 'AspectRatio调整宽高比', home: new LayoutDemo(), ), );} Flutter技术入门与实战: http://product.dangdang.com/26485813.htmlFlutter交流学习群：894109159Flutter开源项目请关注: https://github.com/kangshaojunFlutter视频教程：https://edu.csdn.net/lecturer/2436

@作者: bqdh