flutter日期选择国际化支持

支持中文的日期选择，来自AI生成。亲测好用。

pubspec.yaml

dependencies:flutter:sdk: flutterflutter_localizations: # 添加这个sdk: flutter # 添加这个intl: ^0.20.2 # 添加这个

main.dart

import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart'; // 导入本地化包void main() {runApp(const MyApp());
}class MyApp extends StatelessWidget {const MyApp({super.key});@overrideWidget build(BuildContext context) {return MaterialApp(// 国际化配置localizationsDelegates: const [// 提供 Material 组件的本地化字符串（如按钮、对话框等）GlobalMaterialLocalizations.delegate,// 提供 Cupertino 风格组件的本地化字符串GlobalCupertinoLocalizations.delegate,// 提供通用的文本方向本地化GlobalWidgetsLocalizations.delegate,],// 声明应用支持的语言supportedLocales: const [Locale('en', ''), // EnglishLocale('zh', 'CN'), // Chinese],title: 'Flutter 日期选择器',theme: ThemeData(primarySwatch: Colors.blue,),home: const MyHomePage(),);}
}class MyHomePage extends StatefulWidget {const MyHomePage({super.key});@overrideState<MyHomePage> createState() => _MyHomePageState();
}class _MyHomePageState extends State<MyHomePage> {DateTime _selectedDate = DateTime.now();Future<void> _selectDate(BuildContext context) async {final DateTime? picked = await showDatePicker(context: context,initialDate: _selectedDate,firstDate: DateTime(2000),lastDate: DateTime(2101),);if (picked != null && picked != _selectedDate) {setState(() {_selectedDate = picked;});}}@overrideWidget build(BuildContext context) {return Scaffold(appBar: AppBar(title: const Text('中文日期选择器示例'),),body: Center(child: Column(mainAxisSize: MainAxisSize.min,children: <Widget>[Text("您选择的日期是: ${_selectedDate.year}年${_selectedDate.month}月${_selectedDate.day}日",style: const TextStyle(fontSize: 18),),const SizedBox(height: 20),ElevatedButton(onPressed: () => _selectDate(context),child: const Text('选择日期'),),],),),);}
}