IM/backend/IM_API/Models/Notification.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;

namespace IM_API.Models;

public partial class Notification
{
    public int Id { get; set; }

    /// <summary>
    /// 接收人（为空为全体通知）
    /// </summary>
    public int UserId { get; set; }

    /// <summary>
    /// 通知类型(0：文本)
    /// </summary>
    public sbyte Ntype { get; set; }

    /// <summary>
    /// 通知标题
    /// </summary>
    public string Title { get; set; } = null!;

    /// <summary>
    /// 通知内容
    /// </summary>
    public string Content { get; set; } = null!;

    /// <summary>
    /// 创建时间
    /// </summary>
    [Column(TypeName = "datetimeoffset")]
    public DateTimeOffset Created { get; set; }

    public virtual User User { get; set; } = null!;
}