jms函数选择器——我们介绍过如何作为服务查看接收JMS消息的应用程序，还记得吗？

JMS Function Selector — Remember that we explained how we view the application receiving the JMS message as a service?

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这就可以在SubscriberHelper中定义选择器逻辑，允许客户端有选择性的接收通知消息。

This enables the selector logic defined in the SubscriberHelper to work and allows clients to selectively receive the notification messages.

youdao

这个函数接收一个CSS选择器的字符串，然后用这个字符串去匹配一组元素。

This function accepts a string containing a CSS selector which is then used to match a set of elements.

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