using SqlSugar; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace OrmTest { public class UCustom015 { public static void Init() { var db = NewUnitTest.Db; db.DbMaintenance.CreateDatabase(); db.CodeFirst.InitTables(); db.CodeFirst.InitTables(); db.CodeFirst.InitTables(); db.DbMaintenance.TruncateTable("Country_1111"); db.DbMaintenance.TruncateTable("Province_1111"); db.DbMaintenance.TruncateTable("Country111Info"); var c = new Country1111() { Id=1, Name="中国",InfoId=1 }; var ps = new List(){ new Province1111{ Id=1001, Name="江苏", CountryId=1 }, new Province1111{ Id=1002, Name="上海", CountryId=1 }, new Province1111{ Id=1003, Name="北京", CountryId=1 } }; db.Insertable(c).ExecuteCommand(); db.Insertable(ps).ExecuteCommand(); db.Insertable(new Country111Info { Id=1, Name="infoa"}).ExecuteCommand(); db.Aop.OnLogExecuted = (sq, p) => { Console.WriteLine(sq); }; var list = db.Queryable() .Includes(x => x.Info) .ToList(); var list2 = db.Queryable() .Includes(x => x.Provinces.OrderByDescending(x111 => x111.Id).ToList()) .ToList(); } [SugarTable("Country_1111")] public class Country1111 { [SqlSugar.SugarColumn(IsPrimaryKey =true, ColumnName = "cid")] public int Id { get; set; } public string Name { get; set; } public int InfoId { get; set; } [Navigate(NavigateType.OneToOne, nameof(InfoId))] public Country111Info Info { get; set; } [Navigate(NavigateType.OneToMany,nameof(Province1111.CountryId))] public List Provinces { get; set; } } public class Country111Info { [SqlSugar.SugarColumn(IsPrimaryKey =true,ColumnName = "infoId")] public int Id { get; set; } public string Name { get; set; } } [SugarTable("Province_1111")] public class Province1111 { [SqlSugar.SugarColumn( ColumnName = "pid")] public int Id { get; set; } public string Name { get; set; } [SugarColumn(ColumnName = "coid")] public int CountryId { get; set; } } } }