using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace OrmTest { public class Tree { [SqlSugar.SugarColumn(IsPrimaryKey =true)] public int Id { get; set; } public string Name { get; set; } public int ParentId { get; set; } [SqlSugar.SugarColumn(IsIgnore = true)] public Tree Parent { get; set; } [SqlSugar.SugarColumn(IsIgnore = true)] public List Child { get; set; } } }