LingandRX
b2217ae2be
- 新增 CategoryScreen 屏幕用于显示分类- 新增 ItemCategory 模型类用于分类数据管理 - 新增 ItemCategoryRepository 用于分类数据持久化 - 新增 item_category_table 创建分类表结构 -重构 HomeScreen 底部导航栏，增加分类选项 - 重命名相关屏幕文件，统一命名规范 - 调整 ItemScreen 以适应新增的分类功能- 更新 SQLiteHelper 以支持分类表创建和默认分类插入 - 删除 StatisticsScreen 屏幕
55 lines
1.2 KiB
Dart
55 lines
1.2 KiB
Dart
class ItemCategory {
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final int? id;
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final String name;
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final String? description;
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final String? createdAt;
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final String? updatedAt;
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ItemCategory({
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this.id,
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required this.name,
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this.description,
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this.createdAt,
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this.updatedAt,
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});
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// fromMap — 数据库 map -> Dart 对象
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factory ItemCategory.fromMap(Map<String, dynamic> map) {
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return ItemCategory(
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id: map['id'] as int?,
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name: map['name'] as String,
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description: map['description'] as String?,
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createdAt: map['created_at'] as String?,
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updatedAt: map['updated_at'] as String?,
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);
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}
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// toMap — Dart 对象 -> 数据库 map
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Map<String, dynamic> toMap() {
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return {
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'id': id,
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'name': name,
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'description': description,
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'created_at': createdAt,
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'updated_at': updatedAt,
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};
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}
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// copyWith — 方便局部更新
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ItemCategory copyWith({
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int? id,
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String? name,
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String? description,
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String? createdAt,
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String? updatedAt,
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}) {
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return ItemCategory(
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id: id ?? this.id,
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name: name ?? this.name,
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description: description ?? this.description,
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createdAt: createdAt ?? this.createdAt,
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updatedAt: updatedAt ?? this.updatedAt,
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);
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}
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}
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