using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace OrmTest { public class UCustom024 { public static void Init() { var db = NewUnitTest.Db; var data=db.EntityMaintenance.GetEntityInfoNoCache(typeof(UnitNewP)); db.CodeFirst.InitTables(); db.Insertable(new UnitNewP() { Id = Guid.NewGuid() }).ExecuteCommand(); var list=db.Queryable().Take(2).ToList(); db.Updateable(list).ExecuteCommand(); db.Deleteable(list).ExecuteCommand(); var p = new TestModel2(); db.Queryable().Where(z => z.Id != p.Id).ToList(); var p2 = new Order(); db.Queryable().Where(z => z.Id != p2.Id).ToList(); } } public class TestModel { public virtual long? Id { get; set; } } public class TestModel2 : TestModel { // 关键就是这个地方 public new long Id { get; set; } } public class UnitNewP: UnitBaseP { [SqlSugar.SugarColumn(IsPrimaryKey =true)] public new Guid Id { get; set; } [SqlSugar.SugarColumn(IsNullable =true)] public string Name { get; set; } } public class UnitBaseP { public int Id { get; set; } } }