classMyHomeBodyextendsStatelessWidget{
@override
Widget build(BuildContext context) {
return Stack(
children: <Widget>[
Container(
color: Colors.purple,
width: 300,
height: 300,
),
Positioned(
left: 20,
top: 20,
child: Icon(Icons.favorite, size: 50, color: Colors.white)
),
Positioned(
bottom: 20,
right: 20,
child: Text("你好啊，KSJ", style: TextStyle(fontSize: 20, color: Colors.white)),
)
],
);
}
}
⚠️：**注意：**Positioned组件只能在Stack中使用。
