C# 集合的EntityFramework代码优先分配
我对EF CodeFirst有问题。 我从BaseModel继承了一些模型,我想在一些模型中包含图像。 例如,我有一个EFModel用户C# 集合的EntityFramework代码优先分配,c#,asp.net,code-first,C#,Asp.net,Code First,我对EF CodeFirst有问题。 我从BaseModel继承了一些模型,我想在一些模型中包含图像。 例如,我有一个EFModel用户 public class User : BaseModel<User> { /// <summary> /// Initializes a new instance of the <see cref="User"/> class. /// </summary> public Use
public class User : BaseModel<User>
{
/// <summary>
/// Initializes a new instance of the <see cref="User"/> class.
/// </summary>
public User()
{
Photos = new HashSet<Photo>();
}
/// <summary>
/// Images
/// </summary>
public ICollection<Photo> Photos { get; set; }
}
和另一个名为Spot的EF模型
/// <summary>
/// Eventlocation
/// </summary>
[DebuggerDisplay("Spot: {Name} Coordinate: {Coordinate}")]
public class Spot : BaseModel<Spot>, ISpot
{
/// <summary>
/// Initializes a new instance of the <see cref="Spot"/> class.
/// </summary>
public Spot()
{
Photos = new HashSet<Photo>();
}
/// <summary>
/// Name
/// </summary>
[Display(Name = "Spotname", GroupName = "Names", ResourceType = typeof(Texts))]
[Required]
public string Name { get; set; }
/// <summary>
/// Description
/// </summary>
[Display(Name = "Description", Description = "SpotDescription", GroupName = "Names", ResourceType = typeof(Texts))]
public string Description { get; set; }
/// <summary>
/// Geo Position
/// </summary>
public GeoCoordinate Coordinate { get; set; }
/// <summary>
/// Images
/// </summary>
public ICollection<Photo> Photos { get; set; }
}
在两个EF模型中,我都希望有一个照片列表。目前照片实体只有名称和描述字节[],我将在稍后制作
public class Photo
{
/// <summary>
/// Identifier
/// </summary>
[Key]
public int Id { get; set; }
/// <summary>
/// Imagename
/// </summary>
public string Name { get; set; }
/// <summary>
/// Imagedescription
/// </summary>
public string Description { get; set; }
}
所以一切都正常,但我的问题是生成的表。因为实体生成具有以下列的表dbo.Photos
|ID PK |名称|描述|用户| ID FK |现场| ID FK
但我希望有一个简单的表,可以方便地用于所有的BaseModels,而不需要在BaseModel类中使用它。但我想有以下几个专栏
|ID PK |名称|描述|关系模型| ID FK
我真的不知道我怎样才能做到这一点。我希望有人能帮助我
多谢各位
///编辑:
基本模型
public abstract class BaseModel : IBaseModel, IEquatable<BaseModel>
{
[Key]
[HiddenInput(DisplayValue = false)]
public Guid Id { get; set; }
}
public abstract class BaseModel<T>:BaseModel
where T:BaseModel<T>,new()
{
public static T Create()
{
var result = new T(){Id = Guid.NewGuid()};
result.UpdateOwner();
return result;
}
}