flutter中的按钮组件

class HomeContent extends StatelessWidget{
  @override
  Widget build(BuildContext context) {
    return Column(
      children: <Widget>[
        Row(
          children: <Widget>[
            RaisedButton(
              child:Text(‘普通按钮‘),
              onPressed: (){
                print("这是一个普通按钮");
              },
            ),
          ],
        ),
      ],
    );
  }
}

class MyButton extends StatelessWidget {
  final text;
  final pressed;
  final double width;
  final double height;
  const MyButton({this.text=‘‘,this.pressed=null,this.width=80,this.height=30}) ;

  @override
  Widget build(BuildContext context) {
    return Container(
      height: this.height,
      width: this.width,
      child: RaisedButton(
        child: Text(this.text),
        onPressed:this.pressed ,
      ),
    );
  }
}