6e69f1085e
- C# 文件命名改为 snake_case（28 个文件重命名） - C# 类转换为主构造函数（8 个类） - 空 catch 添加异常类型（2 处） - 新建 GlobalUsings.cs（Health.Infrastructure、Health.WebApi） - Flutter 移除 go_router，改用 Riverpod 路由栈 - Flutter 移除 flutter_secure_storage，改用 sqflite 持久化 - 修复 Flutter 构建路径（Flutter SDK 迁至 D 盘） - 后端端口改为 0.0.0.0:5000，支持局域网访问
59 lines
1.4 KiB
Dart
59 lines
1.4 KiB
Dart
import 'package:sqflite/sqflite.dart';
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import 'package:path/path.dart';
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/// SQLite 本地数据库——存储 token 等关键信息
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class LocalDatabase {
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static LocalDatabase? _instance;
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Database? _db;
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LocalDatabase._();
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static LocalDatabase get instance => _instance ??= LocalDatabase._();
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Future<Database> get database async {
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_db ??= await _initDb();
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return _db!;
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}
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Future<Database> _initDb() async {
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final dbPath = await getDatabasesPath();
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final path = join(dbPath, 'health_app.db');
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return openDatabase(
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path,
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version: 1,
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onCreate: (db, version) async {
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await db.execute(
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'CREATE TABLE kv_store (key TEXT PRIMARY KEY, value TEXT)',
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);
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},
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);
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}
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Future<void> write(String key, String value) async {
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final db = await database;
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await db.insert(
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'kv_store',
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{'key': key, 'value': value},
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conflictAlgorithm: ConflictAlgorithm.replace,
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);
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}
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Future<String?> read(String key) async {
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final db = await database;
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final result =
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await db.query('kv_store', where: 'key = ?', whereArgs: [key]);
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if (result.isEmpty) return null;
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return result.first['value'] as String?;
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}
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Future<void> delete(String key) async {
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final db = await database;
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await db.delete('kv_store', where: 'key = ?', whereArgs: [key]);
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}
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Future<void> deleteAll() async {
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final db = await database;
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await db.delete('kv_store');
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}
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}
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