Flutter組件-Button-RaisedButton-凸起按鈕

防採集標記：亢少軍老師的課程和資料 示例代碼 //文檔地址:https://docs.flutter.io/flutter/material/RaisedButton-class.html import 'package:flutter/material.dart'; import 'dart:math'; void main() { runApp(new MaterialApp(

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