34 lines
1003 B
Dart
34 lines
1003 B
Dart
// 全局昵称设置
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// 持久化到 SharedPreferences / localStorage，所有工具共享同一个昵称
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import 'package:shared_preferences/shared_preferences.dart';
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const _keyNickname = 'toolbox.nickname';
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class NicknameService {
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NicknameService._();
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static final NicknameService instance = NicknameService._();
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SharedPreferences? _prefs;
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Future<void> _ensureInit() async {
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_prefs ??= await SharedPreferences.getInstance();
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}
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/// 获取当前昵称，未设置时返回默认昵称
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Future<String> get nickname async {
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await _ensureInit();
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final n = _prefs!.getString(_keyNickname);
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if (n != null && n.trim().isNotEmpty) return n.trim();
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return '用户';
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}
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/// 设置昵称（1-32 字符，过短返回 false）
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Future<bool> setNickname(String value) async {
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final trimmed = value.trim();
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if (trimmed.isEmpty || trimmed.length > 32) return false;
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await _ensureInit();
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await _prefs!.setString(_keyNickname, trimmed);
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return true;
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}
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}
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