Flutter 2021 中的按钮

在本文中，我们将介绍令人惊叹的 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 UI。

首先让我告诉你关于 Flutter 中按钮的一件重要事情，在flutter最新版本中以下Buttons在fluter中被废弃了：

废弃的	推荐的替代
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: (){},
  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),
    ),
  ),
)

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