namespace Entity; /// /// 交易分类(层级结构:类型 -> 分类 -> 子分类) /// public class TransactionCategory : BaseEntity { /// /// 分类名称 /// public string Name { get; set; } = string.Empty; /// /// 父分类ID(0表示顶级分类) /// public long ParentId { get; set; } /// /// 交易类型(支出/收入) /// public TransactionType Type { get; set; } /// /// 层级(1=类型级, 2=分类级, 3=子分类级) /// public int Level { get; set; } /// /// 排序号 /// public int SortOrder { get; set; } /// /// 图标(可选) /// public string? Icon { get; set; } /// /// 是否启用 /// public bool IsEnabled { get; set; } = true; /// /// 备注 /// public string? Remark { get; set; } }