当所有模型的主键都命名为Id时,我们如何建立一对多关系?
示例:
public class Organization {
public long Id { get; set; }
public List<Teacher> Teachers { get; set; }
}
public class Teacher {
public long Id { get; set; }
public long ??? { get; set; } // what do we call OrganizationId?
public Organization Organization { get; set; }
}
答案 0 :(得分:1)
带有??? 的变量名称应称为OrganizationId。我将创建一个单独的类,其中包含模型 Teacher 的配置。
例如:
class TeacherConfiguration : IEntityTypeConfiguration<Teacher>
{
public void Configure(EntityTypeBuilder<BoardCard> builder)
{
builder.HasKey(bc => bc.Id);
builder.HasOne(bc => bc.Organization).WithMany(c => c.Teachers).HasForeignKey(bc => bc.OrganizationId).OnDelete(DeleteBehavior.Cascade).IsRequired();
}
}