using FreeSql.DataAnnotations; namespace ToolHub.Models; [Table(Name = "UserFavorites")] public class UserFavorite { public int UserId { get; set; } public int ToolId { get; set; } public DateTime CreatedAt { get; set; } = DateTime.Now; // 导航属性 [Navigate(nameof(UserId))] public User User { get; set; } = null!; [Navigate(nameof(ToolId))] public Tool Tool { get; set; } = null!; }