feat:增加hive模块

lib/main.dart

@@ -1,12 +1,28 @@
 import 'package:flisp_app/provider/app_provider.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:hive_flutter/adapters.dart';
+import 'package:path_provider/path_provider.dart';
 import 'package:provider/provider.dart';
 
 import 'layout/main_screen.dart';
+import 'models/todo.dart';
 import 'provider/todo_provider.dart';
 
-void main() {
+void main() async{
+  WidgetsFlutterBinding.ensureInitialized();
+  // 初始化Hive
+  await Hive.initFlutter();
+
+  // 注册适配器
+  Hive.registerAdapter(TodoAdapter());
+
+  // 打开Box
+  await Hive.openBox<Todo>('todos');
+
+  final appDir = await getApplicationDocumentsDirectory();
+  print('📁 Hive数据库路径: ${appDir.path}');
+
   runApp(const MyApp());
 }
 

lib/models/todo.dart

@@ -1,48 +1,81 @@
 import 'package:flutter/material.dart';
+import 'package:hive/hive.dart';
 
-class TodoItem {
-  num id;
-  String title;
-  String content;
-  bool isCompleted;
-  DateTime? dueDate;
-  TodoPriority priority;
+part 'todo.g.dart';
 
-  TodoItem({
-    required this.id,
+@HiveType(typeId: 0)
+class Todo extends HiveObject {
+  @HiveField(0)
+  late int id;
+
+  @HiveField(1)
+  late String title;
+
+  @HiveField(2)
+  late String content;
+
+  @HiveField(3)
+  late bool isCompleted;
+
+  @HiveField(4)
+  late DateTime? dueDate;
+
+  @HiveField(5)
+  late int priorityIndex;
+
+  @HiveField(6)
+  late DateTime createTime;
+
+  @HiveField(7)
+  late DateTime updateTime;
+
+  TodoPriority get priority => TodoPriority.values[priorityIndex];
+  set priority(TodoPriority value) => priorityIndex = value.index;
+
+  Todo({
+    int? id,
     required this.title,
-    required this.content,
+    this.content = '',
     this.isCompleted = false,
     this.dueDate,
-    this.priority = TodoPriority.medium,
-  });
+    TodoPriority priority = TodoPriority.medium,
+    DateTime? createTime,
+    DateTime? updateTime,
+  }) {
+    // 简单时间戳ID
+    this.id = id ?? DateTime.now().millisecondsSinceEpoch;
+    this.priorityIndex = priority.index;
+    this.createTime = createTime ?? DateTime.now();
+    this.updateTime = updateTime ?? DateTime.now();
+  }
 
-  TodoItem copyWith({
-    num? id,
+  Todo copyWith({
     String? title,
     String? content,
     bool? isCompleted,
     DateTime? dueDate,
     TodoPriority? priority,
   }) {
-    return TodoItem(
-      id: id ?? this.id,
+    return Todo(
+      id: id,
       title: title ?? this.title,
       content: content ?? this.content,
       isCompleted: isCompleted ?? this.isCompleted,
       dueDate: dueDate ?? this.dueDate,
       priority: priority ?? this.priority,
+      createTime: createTime,
+      updateTime: DateTime.now(),
     );
   }
 
-  static TodoItem getEmpty() {
-    return TodoItem(
-        id: 0,
-        title: '',
-        content: '',
-        isCompleted: false,
-        dueDate: null,
-        priority: TodoPriority.medium,
+  static Todo getEmpty() {
+    return Todo(
+      id: 0,
+      title: '',
+      content: '',
+      isCompleted: false,
+      dueDate: null,
+      priority: TodoPriority.medium,
     );
   }
 }

lib/models/todo.g.dart

@@ -0,0 +1,61 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'todo.dart';
+
+// **************************************************************************
+// TypeAdapterGenerator
+// **************************************************************************
+
+class TodoAdapter extends TypeAdapter<Todo> {
+  @override
+  final int typeId = 0;
+
+  @override
+  Todo read(BinaryReader reader) {
+    final numOfFields = reader.readByte();
+    final fields = <int, dynamic>{
+      for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
+    };
+    return Todo(
+      id: fields[0] as int?,
+      title: fields[1] as String,
+      content: fields[2] as String,
+      isCompleted: fields[3] as bool,
+      dueDate: fields[4] as DateTime?,
+      createTime: fields[6] as DateTime?,
+      updateTime: fields[7] as DateTime?,
+    )..priorityIndex = fields[5] as int;
+  }
+
+  @override
+  void write(BinaryWriter writer, Todo obj) {
+    writer
+      ..writeByte(8)
+      ..writeByte(0)
+      ..write(obj.id)
+      ..writeByte(1)
+      ..write(obj.title)
+      ..writeByte(2)
+      ..write(obj.content)
+      ..writeByte(3)
+      ..write(obj.isCompleted)
+      ..writeByte(4)
+      ..write(obj.dueDate)
+      ..writeByte(5)
+      ..write(obj.priorityIndex)
+      ..writeByte(6)
+      ..write(obj.createTime)
+      ..writeByte(7)
+      ..write(obj.updateTime);
+  }
+
+  @override
+  int get hashCode => typeId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is TodoAdapter &&
+          runtimeType == other.runtimeType &&
+          typeId == other.typeId;
+}

lib/pages/todo_page.dart

@@ -1,4 +1,5 @@
 import 'package:flisp_app/provider/todo_provider.dart';
+import 'package:flisp_app/service/todo_service.dart';
 import 'package:flisp_app/widgets/awesome_dialog.dart';
 import 'package:flisp_app/widgets/todo_widget.dart';
 import 'package:flutter/material.dart';
@@ -19,13 +20,15 @@ class TodoPage extends StatefulWidget {
 }
 
 class TodoPageState extends State<TodoPage> {
+  final TodoService todoService = TodoService();
+
   // 待办事项列表
-  final List<TodoItem> _todos = [];
+  late List<Todo> _todos = [];
 
   TodoTab _currentTab = TodoTab.all;
 
   // 获取过滤后的待办事项
-  List<TodoItem> get _activeTodos {
+  List<Todo> get _activeTodos {
     return getActiveTodos(_currentTab, _todos);
   }
 
@@ -34,6 +37,38 @@ class TodoPageState extends State<TodoPage> {
     _showTodoDialog(false, null);
   }
 
+  @override
+  void initState() {
+    super.initState();
+
+    // _testAddTodo();
+    _testQueryTodos();
+  }
+
+ void _testQueryTodos() {
+    try {
+      _todos = todoService.getAllTodos();
+    } catch (e) {
+      print("失败");
+      print(e);
+    }
+  }
+
+  Future<void> _testAddTodo() async {
+    try {
+      // final newTodo = await todoService.addTodo(
+      //   title: '测试待办事项',
+      //   content: '这是一个测试内容',
+      //   priority: TodoPriority.high,
+      //   dueDate: DateTime.now().add(Duration(days: 3)),
+      // );
+      print("成功");
+    } catch (e) {
+      print("失败");
+      print(e);
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     return buildBody(
@@ -86,7 +121,7 @@ class TodoPageState extends State<TodoPage> {
   }
 
   // 显示对话框
-  void _showTodoDialog(bool isEditing, TodoItem? todo) {
+  void _showTodoDialog(bool isEditing, Todo? todo) {
     final todoProvider = Provider.of<TodoProvider>(context, listen: false);
 
     if (isEditing) {
@@ -113,7 +148,7 @@ class TodoPageState extends State<TodoPage> {
   }
 
   // 保存待办事项
-  void _saveTodo(bool isEditing, TodoItem todo) {
+  void _saveTodo(bool isEditing, Todo todo) {
     final store = Provider.of<TodoProvider>(context, listen: false);
 
     setState(() {

lib/provider/todo_provider.dart

@@ -2,16 +2,16 @@ import 'package:flutter/material.dart';
 import 'package:flisp_app/models/todo.dart';
 
 class TodoProvider with ChangeNotifier {
-  TodoItem _formItem = TodoItem.getEmpty();
+  Todo _formItem = Todo.getEmpty();
 
-  TodoItem get formItem => _formItem;
+  Todo get formItem => _formItem;
 
   void resetForm() {
-    _formItem = TodoItem.getEmpty();
+    _formItem = Todo.getEmpty();
     notifyListeners();
   }
 
-  void initForm(TodoItem todo) {
+  void initForm(Todo todo) {
     _formItem.title = todo.title;
     _formItem.content = todo.content ?? '';
     _formItem.dueDate = todo.dueDate;

lib/service/todo_service.dart

@@ -0,0 +1,24 @@
+import 'package:flisp_app/models/todo.dart';
+import 'package:hive_flutter/hive_flutter.dart';
+
+class TodoService {
+  static const String boxName = 'todos';
+
+  Box<Todo> get box => Hive.box<Todo>(boxName);
+
+  Future<void> addTodo(Todo todo) async {
+    await box.add(todo);
+  }
+
+  List<Todo> getAllTodos() {
+    return box.values.toList();
+  }
+
+  Future<void> updateTodo(Todo todo) async {
+    await todo.save();
+  }
+
+  Future<void> deleteTodo(Todo todo) async {
+    await todo.delete();
+  }
+}

lib/utils/todo_utils.dart

@@ -1,6 +1,6 @@
 import 'package:flisp_app/models/todo.dart';
 
-List<TodoItem> getActiveTodos(TodoTab currentTab, List<TodoItem> todos) {
+List<Todo> getActiveTodos(TodoTab currentTab, List<Todo> todos) {
   switch (currentTab) {
     case TodoTab.active:
       return todos.where((todo) => !todo.isCompleted).toList();

lib/widgets/todo_form.dart

@@ -8,7 +8,7 @@ import 'package:flisp_app/utils/date_utils.dart';
 class TodoForm extends StatefulWidget {
   final GlobalKey<FormBuilderState> formKey;
   final bool isEditing;
-  final TodoItem? initialTodo;
+  final Todo? initialTodo;
 
   const TodoForm({
     super.key,

lib/widgets/todo_widget.dart

@@ -5,7 +5,7 @@ import 'package:flutter/material.dart';
 import 'package:toggle_switch/toggle_switch.dart';
 
 // 统计卡片
-Widget buildStatsCard(List<TodoItem> todos) {
+Widget buildStatsCard(List<Todo> todos) {
   int totalCount = todos.length;
 
   int activeCount = todos.where((todo) => !todo.isCompleted).length;
@@ -70,9 +70,9 @@ Widget buildTabs({
 }
 
 Widget buildTodoList({
-  required List<TodoItem> todos,
+  required List<Todo> todos,
   required ValueChanged<String> onToggleTodo,
-  required ValueChanged<TodoItem> onEditTodo,
+  required ValueChanged<Todo> onEditTodo,
 }) {
   return ListView.separated(
     itemCount: todos.length,
@@ -89,9 +89,9 @@ Widget buildTodoList({
 }
 
 Widget _buildTodoItem({
-  required TodoItem todo,
+  required Todo todo,
   required ValueChanged<String> onToggle,
-  required ValueChanged<TodoItem> onEdit,
+  required ValueChanged<Todo> onEdit,
 }) {
   return buildCard(
     child: ListTile(
@@ -113,7 +113,7 @@ Widget _buildTodoItem({
   );
 }
 
-Widget _buildTodoTitle(TodoItem todo) {
+Widget _buildTodoTitle(Todo todo) {
   return Text(
     todo.title,
     style: TextStyle(
@@ -125,7 +125,7 @@ Widget _buildTodoTitle(TodoItem todo) {
 }
 
 // 构建待办事项副标题
-Widget? _buildTodoSubtitle(TodoItem todo) {
+Widget? _buildTodoSubtitle(Todo todo) {
   final isOverdue =
       todo.dueDate != null &&
       todo.dueDate!.isBefore(DateTime.now()) &&