【Flutter】入门16 chip

List _tags = [ 'Apple', 'Banana', 'Lemon', ]; List _tags01 = [ 'item01', 'item02', 'item03', ]; String _action = 'Nothing'; List _selected = []; String _choice = 'Lemon'; TextStyle _titleStyle = TextStyle(fontSize: 20, fontWeight: FontWeight.bold); @override