添加项目文件。

MessageService.WebApi/Application/Dtos/ConversationResponse.cs

@@ -0,0 +1,35 @@
+using MessageService.Domain.Enums;
+
+namespace MessageService.WebApi.Application.Dtos
+{
+    public class ConversationResponse
+    {
+        public Guid Id { get; set; }
+        public Guid UserId { get; set; }
+
+        /// <summary>
+        /// 对方ID（群聊为群聊ID，单聊为单聊ID）	
+        /// </summary>
+        public Guid TargetId { get; set; }
+        public string TargetAvatar { get; set; }
+        public string TargetName { get; set; }
+
+        /// <summary>
+        /// 最后一条未读消息ID	
+        /// </summary>
+        public long? LastReadSequenceId { get; set; }
+
+        /// <summary>
+        /// 未读消息数	
+        /// </summary>
+        public int UnreadCount { get; set; }
+
+        public ChatType ChatType { get; set; }
+
+
+        /// <summary>
+        /// 最后一条最新消息
+        /// </summary>
+        public string LastMessage { get; set; }
+    }
+}