听起来像 WebSocket 。

有很多实现方法，但是在该主题上有一篇不错的博客文章此处。

There are many ways to implement it, but a rather nice blog post on the topic is presented here.

另一种方法是使用 MQTT 直接从浏览器使用JavaScript并订阅包含您的更新的主题。在这种情况下，您必须将数据转发到该主题。为此，您可以将复合队列与 forwardOnly = false 。

Another way is to use MQTT directly from the browser using javascript and subscribe to a topic with your updates. You have to forward your data to that topic, in this case. For that, you can use composite queues with forwardOnly=false.