前端：

1、会话列表、消息界面展示与后端打通
后端：
1、修复会话和消息服务现存问题
2、会话对象不再返回Message对象，而是使用MessageBaseDto替代
3、修改查询会话列表和会话信息的逻辑
4、新增消息列表查询
文档：
后端代码规范文档新增从数据库同步到模型的命令

backend/IM_API/Models/ImContext.cs

@@ -1,16 +1,11 @@
 using System;
 using System.Collections.Generic;
 using Microsoft.EntityFrameworkCore;
-using Pomelo.EntityFrameworkCore.MySql.Scaffolding.Internal;
 
 namespace IM_API.Models;
 
 public partial class ImContext : DbContext
 {
-    public ImContext()
-    {
-    }
-
     public ImContext(DbContextOptions<ImContext> options)
         : base(options)
     {
@@ -50,10 +45,6 @@ public partial class ImContext : DbContext
 
     public virtual DbSet<User> Users { get; set; }
 
-    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
-#warning To protect potentially sensitive information in your connection string, you should move it out of source code. You can avoid scaffolding the connection string by using the Name= syntax to read it from configuration - see https://go.microsoft.com/fwlink/?linkid=2131148. For more guidance on storing connection strings, see https://go.microsoft.com/fwlink/?LinkId=723263.
-        => optionsBuilder.UseMySql("server=frp-era.com;port=26582;database=IM;user=product;password=12345678", Microsoft.EntityFrameworkCore.ServerVersion.Parse("5.7.44-mysql"));
-
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
         modelBuilder
@@ -547,6 +538,9 @@ public partial class ImContext : DbContext
             entity.Property(e => e.Created)
                 .HasComment("发送时间	")
                 .HasColumnType("datetime");
+            entity.Property(e => e.GroupMemberId)
+                .HasComment("若为群消息则表示具体的成员id")
+                .HasColumnType("int(11)");
             entity.Property(e => e.MsgType)
                 .HasComment("消息类型\r\n(0:文本,1：图片,2：语音,3：视频,4：文件，5：语音聊天,6：视频聊天)")
                 .HasColumnType("tinyint(4)");