using System; using System.Collections.Generic; using System.ComponentModel.DataAnnotations; using System.Linq; using System.Text; using System.Threading.Tasks; namespace WebApplication1.Models { public class Params { [Required(AllowEmptyStrings = true)] public string CreateUser { get; set; } /// /// 制单时间 /// [Required(AllowEmptyStrings = true)] public DateTime CreateTime { get; set; } /// /// 修改时间 /// [Required(AllowEmptyStrings = true)] public DateTime MTIME { get; set; } } }