添加项目文件。

HT.Cloud.Service/Event/MessageEventSubscriber.cs

@@ -0,0 +1,58 @@
+using Jaina;
+using Microsoft.AspNetCore.SignalR;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using HT.Cloud.Code;
+using HT.Cloud.Domain.InfoManage;
+
+namespace HT.Cloud.Service.Event
+{
+	// 实现 IEventSubscriber 接口
+	public class MessageEventSubscriber : IEventSubscriber
+	{
+		private readonly IHubContext<MessageHub> _messageHub;
+		private string cacheHubKey = GlobalContext.SystemConfig.ProjectPrefix + "_hubuserinfo_";
+
+		public MessageEventSubscriber(IHubContext<MessageHub> messageHub)
+		{
+			_messageHub = messageHub;
+		}
+
+		[EventSubscribe("Message:send")] // 支持多个
+		public async Task SendMessage(EventHandlerExecutingContext context)
+		{
+			var todo = (BaseEventSource)context.Source;
+			var input = (MessageEntity)todo.Payload;
+			if (!string.IsNullOrEmpty(input.companyId) && input.F_ToUserId.Length == 0)
+			{
+				await _messageHub.Clients.Group(input.companyId).SendAsync("ReceiveMessage", input.ToJson());
+			}
+			else
+			{
+				var users = input.F_ToUserId.Split(',');
+				foreach (var item in users)
+				{
+					//存在就私信
+					var connectionIDs = await CacheHelper.GetAsync<List<string>>(cacheHubKey + item);
+					if (connectionIDs == null)
+					{
+						continue;
+					}
+					foreach (var connectionID in connectionIDs)
+					{
+						try
+						{
+							await _messageHub.Clients.Client(connectionID).SendAsync("ReceiveMessage", input.ToJson());
+						}
+						catch (Exception)
+						{
+							continue;
+						}
+					}
+				}
+			}
+			await Task.CompletedTask;
+		}
+	}
+}