feat:更新代办事项存储功能

lib/main.dart

@@ -18,10 +18,9 @@ void main() async{
   Hive.registerAdapter(TodoAdapter());
 
   // 打开Box
-  await Hive.openBox<Todo>('todos');
+  final todosBox = await Hive.openBox<Todo>('todos');
 
-  final appDir = await getApplicationDocumentsDirectory();
+  todosBox.clear();
-  print('📁 Hive数据库路径: ${appDir.path}');
 
   runApp(const MyApp());
 }

lib/models/todo.dart

@@ -70,7 +70,7 @@ class Todo extends HiveObject {
 
   static Todo getEmpty() {
     return Todo(
-      id: 0,
+      id: DateTime.now().millisecondsSinceEpoch,
       title: '',
       content: '',
       isCompleted: false,

lib/models/todo.g.dart

@@ -17,7 +17,7 @@ class TodoAdapter extends TypeAdapter<Todo> {
       for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
     };
     return Todo(
-      id: fields[0] as int?,
+      id: fields[0] as int,
       title: fields[1] as String,
       content: fields[2] as String,
       isCompleted: fields[3] as bool,

lib/pages/todo_page.dart

@@ -22,17 +22,12 @@ class TodoPage extends StatefulWidget {
 class TodoPageState extends State<TodoPage> {
   final TodoService todoService = TodoService();
 
-  // 待办事项列表
+  late List<Todo> _todos;
-  late List<Todo> _todos = [];
+  TodoTab _currentTab = TodoTab.active;
-
-  TodoTab _currentTab = TodoTab.all;
 
   // 获取过滤后的待办事项
-  List<Todo> get _activeTodos {
+  List<Todo> get _activeTodos => getActiveTodos(_currentTab, _todos);
-    return getActiveTodos(_currentTab, _todos);
-  }
 
-  // 添加一个公共方法供外部调用
   void showAddTodoDialog() {
     _showTodoDialog(false, null);
   }
@@ -40,33 +35,7 @@ class TodoPageState extends State<TodoPage> {
   @override
   void initState() {
     super.initState();
-
+    _todos = todoService.getAllTodos();
-    // _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
@@ -96,27 +65,22 @@ class TodoPageState extends State<TodoPage> {
     return _activeTodos.isEmpty
         ? buildEmptyState(_currentTab)
         : buildTodoList(
-          todos: _activeTodos,
+      todos: _activeTodos,
-          onToggleTodo: (todoId) {
+      onToggleTodo: (todo) {
-            setState(() {
+        setState(() {
-              _toggleTodo(todoId);
+          _toggleTodo(todo);
-            });
+        });
-          },
+      },
-          onEditTodo: (todo) {
+      onEditTodo: (todo) {
-            _showTodoDialog(true, todo);
+        _showTodoDialog(true, todo);
-          },
+      },
-        );
+    );
   }
 
   // 切换待办事项完成状态
-  void _toggleTodo(String id) {
+  void _toggleTodo(Todo todo) {
     setState(() {
-      final index = _todos.indexWhere((todo) => todo.id.toString() == id);
+      todoService.updateTodoCompletion(todo, !todo.isCompleted);
-      if (index != -1) {
-        _todos[index] = _todos[index].copyWith(
-          isCompleted: !_todos[index].isCompleted,
-        );
-      }
     });
   }
 
@@ -148,21 +112,22 @@ class TodoPageState extends State<TodoPage> {
   }
 
   // 保存待办事项
-  void _saveTodo(bool isEditing, Todo todo) {
+  void _saveTodo(bool isEditing, Todo todo) async {
-    final store = Provider.of<TodoProvider>(context, listen: false);
+    late bool isSuccess ;
+    if (isEditing) {
+      isSuccess = await todoService.updateTodo(todo);
+    } else {
+      isSuccess = await todoService.addTodo(todo);
+    }
 
     setState(() {
-      if (isEditing) {
+      _todos = todoService.getAllTodos();
-        final index = _todos.indexWhere((t) => t.id == todo.id);
-        if (index != -1) {
-          _todos[index] = todo;
-        }
-      } else {
-        _todos.insert(0, todo);
-      }
     });
 
-    store.resetForm();
+    if (isSuccess) {
-    showSuccessDialog(context, isEditing ? '更新成功' : '添加成功');
+      showSuccessDialog(context, isEditing ? '更新成功' : '添加成功');
+    } else {
+      showErrorDialog(context, isEditing ? '更新失败' : '添加失败');
+    }
   }
 }

lib/provider/todo_provider.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flisp_app/models/todo.dart';
 
 class TodoProvider with ChangeNotifier {
-  Todo _formItem = Todo.getEmpty();
+  late Todo _formItem;
 
   Todo get formItem => _formItem;
 
@@ -12,10 +12,7 @@ class TodoProvider with ChangeNotifier {
   }
 
   void initForm(Todo todo) {
-    _formItem.title = todo.title;
+    _formItem = todo;
-    _formItem.content = todo.content ?? '';
-    _formItem.dueDate = todo.dueDate;
-    _formItem.priority = todo.priority;
     notifyListeners();
   }
 }

lib/service/todo_service.dart

@@ -6,19 +6,39 @@ class TodoService {
 
   Box<Todo> get box => Hive.box<Todo>(boxName);
 
-  Future<void> addTodo(Todo todo) async {
+  Future<bool> addTodo(Todo todo) async {
-    await box.add(todo);
+    try {
+      await box.add(todo);
+      return true;
+    } catch (e) {
+      return false;
+    }
   }
 
   List<Todo> getAllTodos() {
     return box.values.toList();
   }
 
-  Future<void> updateTodo(Todo todo) async {
+  Future<bool> updateTodo(Todo todo) async {
-    await todo.save();
+    try {
+      await todo.save();
+      return true;
+    } catch (e) {
+      return false;
+    }
   }
 
-  Future<void> deleteTodo(Todo todo) async {
+  Future<bool> updateTodoCompletion(Todo todo, bool isCompleted) async {
-    await todo.delete();
+    todo.isCompleted = isCompleted;
+    return await updateTodo(todo);
+  }
+
+  Future<bool> deleteTodo(Todo todo) async {
+    try {
+      await todo.delete();
+      return true;
+    } catch (e) {
+      return false;
+    }
   }
 }

lib/widgets/awesome_dialog.dart

@@ -52,3 +52,17 @@ void showSuccessDialog(BuildContext context, String message) {
     autoHide: Duration(seconds: 2),
   ).show();
 }
+
+// 显示失败提示
+void showErrorDialog(BuildContext context, String message) {
+  AwesomeDialog(
+    context: context,
+    dialogType: DialogType.error,
+    animType: AnimType.scale,
+    title: message,
+    btnOkText: "好的",
+    btnOkColor: Colors.green,
+    btnOkOnPress: () {},
+    autoHide: Duration(seconds: 2),
+  ).show();
+}

lib/widgets/todo_form.dart

@@ -25,14 +25,6 @@ class _TodoFormState extends State<TodoForm> {
   @override
   void initState() {
     super.initState();
-
-    // 如果是编辑模式，初始化数据
-    if (widget.isEditing && widget.initialTodo != null) {
-      WidgetsBinding.instance.addPostFrameCallback((_) {
-        final store = Provider.of<TodoProvider>(context, listen: false);
-        store.initForm(widget.initialTodo!);
-      });
-    }
   }
 
   @override
@@ -201,7 +193,8 @@ class _TodoFormState extends State<TodoForm> {
                   : null,
         ),
         validator: (value) {
-          if (value != null && value.isBefore(DateTime.now())) {
+          if (value != null &&
+              value.isBefore(DateTime.now().subtract(Duration(days: 1)))) {
             return '不能选择过去的日期';
           }
           return null;

lib/widgets/todo_widget.dart

@@ -71,7 +71,7 @@ Widget buildTabs({
 
 Widget buildTodoList({
   required List<Todo> todos,
-  required ValueChanged<String> onToggleTodo,
+  required ValueChanged<Todo> onToggleTodo,
   required ValueChanged<Todo> onEditTodo,
 }) {
   return ListView.separated(
@@ -90,7 +90,7 @@ Widget buildTodoList({
 
 Widget _buildTodoItem({
   required Todo todo,
-  required ValueChanged<String> onToggle,
+  required ValueChanged<Todo> onToggle,
   required ValueChanged<Todo> onEdit,
 }) {
   return buildCard(
@@ -100,7 +100,7 @@ Widget _buildTodoItem({
         width: 24,
         child: Checkbox(
           value: todo.isCompleted,
-          onChanged: (value) => onToggle(todo.id.toString()),
+          onChanged: (value) => onToggle(todo),
           materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
         ),
       ),