對齊方式:
Alignment.topLeft:頂部左邊
Alignment.topCenter:頂部中間
Alignment.topRight:頂部右邊
Alignment.centerLeft:中部左邊
Alignment.center:中部中間
Alignment.centerRight:中部右邊
Alignment.bottomLeft:底部左邊
Alignment.bottomCenter:底部中間
Alignment.bottomRight:底部右邊
Align(
alignment: Alignment.centerRight,
child: FlutterLogo(size: 60)
)