using Microsoft.EntityFrameworkCore; using System; using System.Collections.Generic; using System.ComponentModel.DataAnnotations.Schema; using System.ComponentModel.DataAnnotations; using System.Linq; using System.Text; using System.Threading.Tasks; using VOL.Entity.Enum; using Newtonsoft.Json; namespace VOL.Model { /// /// 学生训练趋势图表 /// public class TrainingStudentDataTrendModel {/// /// 日期(日期格式:MM-dd) /// public string? Date { get { if (InsertTime.HasValue) { return InsertTime.Value.ToString("MM-dd"); } else { return null; } } set { } } /// /// 日期 /// [JsonIgnore] public DateTime? InsertTime { get; set; } /// /// 数值 /// public double? Number { get; set; } } }