RotatedBox 旋转盒子

main.dart

import 'package:flutter/material.dart';

void main() {
  runApp(
    MyApp(),
  );
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: "RotatedBox旋转盒子示例",
      home: Scaffold(
        appBar: AppBar(
          title: Text(
            "RotatedBox旋转盒子示例",
            style: TextStyle(
              color: Colors.white,
            ),
          ),
        ),
        body: Center(
          child: RotatedBox(
//            旋转次数，一次90度
            quarterTurns: 3,
            child: Text(
              "RotatedBox旋转盒子示例",
              style: TextStyle(fontSize: 28.0),
            ),
          ),
        ),
      ),
    );
  }
}