外国钥匙属性'userrole.userid1'是在影子状态创建的 当我尝试添加迁移时，在用户表中创建UserId1和raleid1。 有消息： 外国钥匙属性“ userrole.roleid1”是在阴影状态下创建的，因为一个矛盾的职业...

Question

外国密钥属性'userrole.userid1'是在阴影状态下创建的，因为在实体类型中存在具有简单名称'userId'的冲突属性，但未被映射，已经用于另一个关系，或者与该关系不相容关联的主要钥匙类型。

我的型号：

public interface IEntity
{
    public Guid Id { get; set; }
}

public interface IBaseEntity : IEntity
{
    public DateTime CreatedAt { get; set; }
    public DateTime? UpdatedAt { get; set; }
    public DateTime? DeletedAt { get; set; }
    public bool IsDeleted { get; set; }
}

public class User : IdentityUser<Guid>, IBaseEntity
{
    public string? FirstName { get; set; }
    public string? LastName { get; set; }
    public DateTime DateOfBirth { get; set; }

    public DateTime CreatedAt { get; set; }
    public DateTime? UpdatedAt { get; set; }
    public DateTime? DeletedAt { get; set; }
    public bool IsDeleted { get; set; }
    public bool IsBlocked { get; set; }


    public virtual ICollection<UserRole>? UserRoles { get; set; }
}

public class Role : IdentityRole<Guid>, IBaseEntity
{
    public string? Description { get; set; }
    public DateTime CreatedAt { get; set; }
    public DateTime? UpdatedAt { get; set; }
    public DateTime? DeletedAt { get; set; }
    public bool IsDeleted { get; set; }

    public virtual ICollection<UserRole>? UserRoles { get; set; }
}

public class UserRole : IdentityUserRole<Guid>
{
    public Guid? UserId { get; set; }
    public Guid? RoleId { get; set; }

    public virtual User? User { get; set; }
    public virtual Role? Role { get; set; }
}

我的配置是

    public class RoleConfiguration : IEntityTypeConfiguration<Role>
{
    public void Configure(EntityTypeBuilder<Role> builder)
    {
        builder
            .ToTable("Roles");

        builder
            .HasKey(r => r.Id);

        builder
            .HasMany(x => x.UserRoles)
            .WithOne(x => x.Role)
            .HasForeignKey(x => x.RoleId)
            .IsRequired();
    }
}

public class UserConfiguration : IEntityTypeConfiguration<User>
{
    public void Configure(EntityTypeBuilder<User> builder)
    {
        builder
            .ToTable("Users");

        builder
            .Property(user => user.FirstName)
            .HasMaxLength(UserConstants.FirstNameMaxLength);

        builder
            .Property(user => user.LastName)
            .HasMaxLength(UserConstants.LastNameMaxLength);

        builder
            .Property(user => user.Email)
            .HasMaxLength(UserConstants.EmailMaxLength);

        builder
            .Property(user => user.PhoneNumber)
            .HasMaxLength(UserConstants.PhoneMaxLength);

        builder
            .HasMany(x => x.UserRoles)
            .WithOne(x => x.User)
            .HasForeignKey(x => x.UserId)
            .IsRequired();

        builder
            .Metadata
            .RemoveIndex(new[] { builder.Property(x => x.NormalizedUserName).Metadata});

        builder
            .HasIndex(x => new { x.NormalizedUserName })
            .HasName("UserNameIndex")
            .IsUnique();
    }
}

public class UserRoleConfiguration : IEntityTypeConfiguration<UserRole>
{
    public void Configure(EntityTypeBuilder<UserRole> builder)
    {
        builder
            .ToTable("UserRoles");
    }
}

i试图改变congigs中的关系，删除模型中的接口继承，从userroleth中删除ralesid和userId。

我做错了什么？

地图似乎没有任何明显的问题，但是无效的属性和FK可能是一个问题。删除userrole上的无效：

public class UserRole : IdentityUserRole<Guid>
{
    public Guid UserId { get; set; }
    public Guid RoleId { get; set; }

    public virtual User User { get; set; }
    public virtual Role Role { get; set; }
}

I还将建议删除Userroles集合上的无效性，并删除Setter访问和初始化的启用：

public virtual ICollection<UserRole> UserRoles { get; } = [];

Answer 1

#pragma warning disable CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
        /// <summary>
        /// Constructor used by EF.
        /// </summary>
        protected UserRole() 
        { }
#pragma warning restore CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.

您可以使用公共默认构造函数或创建合适的参数化公共构造函数，以确保实体以有效状态构建。