using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using SqlSugar; using System.Linq.Expressions; namespace ExtensionsDemo { [SugarTable("STudent")] public class Student { [SugarColumn(IsPrimaryKey = true, IsIdentity = true, ColumnName = "ID")] public int Id { get; set; } public int? SchoolId { get; set; } public string Name { get; set; } public DateTime? CreateTime { get; set; } [SugarColumn(IsIgnore=true)] public int TestId { get; set; } } }