8299e1ad62
- 创建 Item 模型类，包含 toMap 和 fromMap 方法 - 新增 ItemRepository 类，负责数据库操作 - 实现 ItemScopedModel，用于状态管理 - 更新 SQLiteHelper，使用新的 item 表结构- 删除旧的 SQLiteOperation 文件
39 lines
1013 B
Dart
39 lines
1013 B
Dart
import 'package:flutter/cupertino.dart';
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import 'package:item_tracker/models/item_model.dart';
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import 'package:item_tracker/repository/item_repository.dart';
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class ItemScopedModel extends InheritedWidget {
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final ItemRepository itemRepository;
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final List<Map<String, dynamic>> items;
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ItemScopedModel({
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required this.itemRepository,
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required this.items,
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required Widget child,
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}) : super(
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child: child,
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);
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static ItemScopedModel of(BuildContext context) {
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return context.dependOnInheritedWidgetOfExactType<ItemScopedModel>()!;
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}
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@override
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bool updateShouldNotify(covariant InheritedWidget oldWidget) {
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return true;
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}
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Future<List<Map<String, dynamic>>> loadItems() async {
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final itemsFormDb = await itemRepository.getAllItems();
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items.clear();
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items.addAll(itemsFormDb);
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return itemsFormDb;
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}
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Future<void> addItem(Item item) async {
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await itemRepository.insertItem(item);
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print("提交完成");
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await loadItems();
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}
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}
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