我怎么可以连这个在EF核心流利的API,而不是通过线表中的每个属性重复行:
builder.Entity<FoodWeight>().HasIndex(x => x.NutrientDatabankNumber);
builder.Entity<FoodWeight>().Property(x => x.NutrientDatabankNumber).HasColumnName("NDB_No");
builder.Entity<FoodWeight>().Property(x => x.SequenceNumber).HasColumnName("Seq");
builder.Entity<FoodWeight>().Property(x => x.Amount).HasColumnName("Amount");
builder.Entity<FoodWeight>().Property(x => x.Description).HasColumnName("Msre_Desc");
builder.Entity<FoodWeight>().Property(x => x.GramWeight).HasColumnName("Gm_Wgt");
builder.Entity<FoodWeight>().Property(x => x.GramWeight).HasColumnName("Gm_Wgt");
builder.Entity<FoodWeight>().Property(x => x.NumberOfDataPoints).HasColumnName("Num_Data_Pts");
builder.Entity<FoodWeight>().Property(x => x.StandardDeviation).HasColumnName("Std_Dev");
您可以随时添加一个扩展方法来EntityTypeBuilder
,但这并不能大大减少冗长:
modelBuilder
.Entity<FoodWeight>()
.Configure(
entity => entity.HasIndex(x => x.NutrientDatabankNumber),
entity => entity.Property(x => x.NutrientDatabankNumber).HasColumnName("NDB_No"),
entity => entity.Property(x => x.SequenceNumber).HasColumnName("Seq")
);
和扩展方法:
public static class EntityTypeBuilderExtensions
{
public static void Configure<T>(this EntityTypeBuilder<T> modelBuilder, params Action<EntityTypeBuilder<T>>[] builders) where T : class
{
builders
.ToList()
.ForEach(builder => builder(modelBuilder));
}
}