using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace chatserver.Data { public enum MessageType { Text, Image,//图片 File,//文件 System//系统信息 } public class User { public required string UserId { get; set; } = "UnId"; public required string LoginIP { get; set; } = "Unnamed"; public string? Avatar { get; set; } public required string token { get; set; } } }