在以前的EF版本中,您可以在DbContext上配置所有实体映射,如下所示: -
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
modelBuilder.Configurations.AddFromAssembly(typeof(MyDbContext).Assembly);
base.OnModelCreating(modelBuilder);
}
但是在最新的EF Core中,您似乎必须单独添加每个映射,如下所示: -
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.ApplyConfiguration(new UserMap());
modelBuilder.ApplyConfiguration(new AddressMap());
base.OnModelCreating(modelBuilder);
}
是否有类似的方式添加实体地图,因为这是乏味的。
这与EF6的AddFromAssembly
相同:
var configurations = typeof(MyDbContext).Assembly.GetTypes()
.Where(t => t.BaseType != null && t.BaseType.IsGenericType && t.BaseType.GetGenericTypeDefinition() == typeof(System.Data.Entity.ModelConfiguration.EntityTypeConfiguration<>));
foreach (var config in configurations)
{
dynamic instance = System.Activator.CreateInstance(config);
modelBuilder.Configurations.Add(instance);
}