websotckt

controllers/event_controller.go

@@ -94,6 +94,9 @@ func (c *EventController) TestWebsocket() {
 	)
 	//将当前客户端放入map中
 	messageGroups, _ := dao.GetUserMessageGroups(dao.GetDB(), userID)
+	if len(messageGroups) == 0 {
+		return
+	}
 	for _, v := range messageGroups {
 		clients[v.GroupID] = append(clients[v.GroupID], ws)
 	}