XdCxRhDW/XdCxRhDW.Entity/XlInfo.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace XdCxRhDW.Entity
{
    [Table("XlInfo")]
    [IndexCombined(nameof(XlInfo.SatCode), nameof(XlInfo.TimeUTC))]//创建组合索引加速多个条件的查询
    public class XlInfo : BaseEntity
    {
        [Display(Name = "卫星编号", AutoGenerateField = false)]
        [Index]
        public int SatCode { get; set; }
        [Display(Name = "卫星名称", AutoGenerateField = false)]

        public string SatName { get; set; }

        [Display(Name = "卫星")]
        public string Sat => $"{SatName}({SatCode})";

        [Display(Name = "发布时间(UTC)")]
        [IndexAttribute]
        public DateTime TimeUTC { get; set; }

        [Display(Name = "轨道经度")]
        [Index]
        public double? Lon { get; set; }

        [Display(Name = "双行根数1")]
        public string Line1 { get; set; }

        [Display(Name = "双行根数2")]
        public string Line2 { get; set; }
        [Display(AutoGenerateField = false)]


        public string TwoLine => $"{Line1};{Line2}";

    }
}