在本文中，聊聊我们将介绍令人惊叹的聊聊 Flutter 按钮，它们可以帮助所有初学者或专业人士为现代应用程序设计漂亮的聊聊 UI。亿华云

首先让我告诉你关于 Flutter 中按钮的聊聊一件重要事情，在flutter最新版本中以下Buttons在fluter中被废弃了：

废弃的聊聊 推荐的站群服务器替代 RaisedButton ElevatedButton OutlineButton OutlinedButton FlatButton TextButton

那么让我们来探索一下 Flutter 中的按钮。

Elevated Button

StadiumBorder

ElevatedButton(   onPressed: (){ },聊聊   child: Text(Button),   style: ElevatedButton.styleFrom(   shadowColor: Colors.green,   shape: StadiumBorder(),   padding: EdgeInsets.symmetric(horizontal: 35,vertical: 20)), ) 

RoundedRectangleBorder

ElevatedButton(   onPressed: (){ },   child: Text(Button),   style: ElevatedButton.styleFrom(   shadowColor: Colors.green,   shape: RoundedRectangleBorder(   borderRadius: BorderRadius.circular(12),       ),    ), ), 

CircleBorder

ElevatedButton(   onPressed: () { },   child: Text(Button),   style: ElevatedButton.styleFrom(     shape: CircleBorder(),     padding: EdgeInsets.all(24),   ), ) 

BeveledRectangleBorder

ElevatedButton(   onPressed: () { },   child: Text(Button),   style: ElevatedButton.styleFrom(     shape: BeveledRectangleBorder(       borderRadius: BorderRadius.circular(12)     ),   ), ) 

Outlined Button

StadiumBorder

OutlinedButton(   onPressed: () { },   child: Text(Button),   style: OutlinedButton.styleFrom(     shape: StadiumBorder(),   ), ) 

RoundedRectangleBorder

OutlinedButton(   onPressed: () { },   child: Text(Button),   style: OutlinedButton.styleFrom(     shape: BeveledRectangleBorder(       borderRadius: BorderRadius.circular(12),     ),   ), ) 

CircleBorder

OutlinedButton(   onPressed: () { },   child: Text(Button),   style: OutlinedButton.styleFrom(     shape: CircleBorder(),     padding: EdgeInsets.all(24),   ), ) 

BeveledRectangleBorder

OutlinedButton(   onPressed: () { },   child: Text(Button),   style: OutlinedButton.styleFrom(     shape: BeveledRectangleBorder(       borderRadius: BorderRadius.circular(12),     ),   ), ) 

原文：https://medium.com/@waseemakram.jpb/button-cheat-sheet-in-flutter-2021-1db38501d5f2