ElevatedButton ThemeDataThemeData的使用

import 'package:flutter/material.dart';
import 'package:get/get_core/src/get_main.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'ElevatedButton Theme Demo',
      theme: ThemeData(
        // 设置全局的 ElevatedButtonTheme
        elevatedButtonTheme: ElevatedButtonThemeData(
          style: ButtonStyle(
            backgroundColor: WidgetStateProperty.all(Colors.blue),
          ),
        ),
      ),
      home: const HomeScreen(),
    );
  }
}

class HomeScreen extends StatelessWidget {
  const HomeScreen({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text('Home Page')),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            ElevatedButton(
              onPressed: () {
              },
              child: const Text("Go to Counter Page 1"),
            ),
            ElevatedButton(
              onPressed: () {
              },
              child: const Text("Go to Counter Page 2"),
            ),
            ElevatedButton(
              onPressed: () {
              },
              child: const Text("Go to Counter Page 3"),
            ),
          ],
        ),
      ),
    );
  }
}

效果：