不只是在哪里(sqlite ...)而且还有(libs,最佳特定实践)?
您可能不希望将敏感数据存储在共享首选项中。相反,你可能想要查看这样的插件:https://pub.dartlang.org/packages/flutter_secure_storage
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
// Create storage
final storage = new FlutterSecureStorage();
// Write value
await storage.write(key: 'jwt', value: token);
使用https://pub.dartlang.org/packages/shared_preferences最适合您,因为它“为简单数据提供持久存储”。
示例代码:
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
void main() {
runApp(MaterialApp(
home: Scaffold(
body: Center(
child: RaisedButton(
onPressed: _getAndSaveToken,
child: Text('Get token'),
),
),
),
));
}
_getAndSaveToken() async {
SharedPreferences prefs = await SharedPreferences.getInstance();
String token = await _getTokenFromHttp();
await prefs.setInt('jwt', token);
}
Future<String> _getTokenFromHttp() async {
// http code here
}