1.新建类库 EFCore.EntityTypeConfig ,安装nuget PM> Install-Package Microsoft.EntityFrameworkCore
2.新建接口IEntityTypeConfiguration


using Microsoft.EntityFrameworkCore; using Microsoft.EntityFrameworkCore.Metadata.Builders; using System; using System.Collections.Generic; using System.Text; namespace EFCore.EntityTypeConfig { public interface IEntityTypeConfiguration { void Map(ModelBuilder bulder); } public interface IEntityTypeConfiguration<T>:IEntityTypeConfiguration where T:class {