Container

圆角

Container(
decoration: BoxDecoration(
color: Colors.white,
shape: BoxShape.rectangle,
borderRadius: BorderRadius.all(Radius.circular(8))),
child: Text(‘圆角’),
)

圆角+阴影

Container(
decoration: BoxDecoration(
color: Colors.white,
shape: BoxShape.rectangle,
borderRadius: BorderRadius.all(Radius.circular(8)),
boxShadow: [BoxShadow(
color: Colors.primaries[0].withAlpha(25),
blurRadius: 8,
offset: Offset(0, 8))],),
child: Text(‘圆角’),
)