37 lines
1.1 KiB
Dart
37 lines
1.1 KiB
Dart
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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/// 登录会话持久化：token + 手机号存 secure storage。
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/// 启动时读取判断是否已登录；登出/401 时清除回登录页。
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class SessionStore {
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static const _storage = FlutterSecureStorage();
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static const _tokenKey = 'auth_token';
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static const _phoneKey = 'auth_phone';
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static String? _cachedToken;
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static String? _cachedPhone;
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Future<String?> readToken() async {
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if (_cachedToken != null) return _cachedToken;
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return _cachedToken = await _storage.read(key: _tokenKey);
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}
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Future<String?> readPhone() async {
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if (_cachedPhone != null) return _cachedPhone;
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return _cachedPhone = await _storage.read(key: _phoneKey);
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}
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Future<void> save(String phone, String token) async {
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_cachedPhone = phone;
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_cachedToken = token;
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await _storage.write(key: _phoneKey, value: phone);
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await _storage.write(key: _tokenKey, value: token);
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}
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Future<void> clear() async {
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_cachedPhone = null;
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_cachedToken = null;
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await _storage.delete(key: _phoneKey);
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await _storage.delete(key: _tokenKey);
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}
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}
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