Flutter配置国际化localizations

1.找到pubspec.yaml配置flutter_localizations并保存

2.导入国际化包flutter_localizations

import 'package:flutter_localizations/flutter_localizations.dart'; 

3.在入口文件main.dart中设置国际化

localizationsDelegates: [
     //此处
     GlobalMaterialLocalizations.delegate,
     GlobalWidgetsLocalizations.delegate,
],
supportedLocales: [
     //此处
     const Locale('zh', 'CH'),
     const Locale('en', 'US'),
],

4.要显示的控件设置：