IM/backend/IM_API/Models/File.cs

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

namespace IM_API.Models;

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

    /// <summary>
    /// 文件名	
    /// </summary>
    public string Name { get; set; } = null!;

    /// <summary>
    /// 文件储存URL	
    /// </summary>
    public string Url { get; set; } = null!;

    /// <summary>
    /// 文件大小（单位：KB）	
    /// </summary>
    public int Size { get; set; }

    /// <summary>
    /// 文件类型	
    /// </summary>
    public string FileType { get; set; } = null!;

    /// <summary>
    /// 关联消息ID	
    /// </summary>
    public int MessageId { get; set; }

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

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