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Dart 及 flutter 初體驗

class VerticalChinese extends StatelessWidget { final TextStyle textStyle; final String text; VerticalChinese({@required this.text, @required this.textStyle, Key key}) : assert(text != null), assert(textStyle != null), super(key: key); @override Widget build(BuildContext context) { List<Text> textList = text.split('').map((e)=>Text(e, style: textStyle,)).toList(); print(textList); return Wrap( direction: Axis.vertical, children: textList, ); } }