This matches the postcode property set in the message, so the message is delivered to this MessageConsumer.

这与上面代码片断中的邮政编码属性值相匹配，所以该消息将传输到此 MessageConsumer 中。

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MessageConsumer: a component that a session creates and that's used for receiving messages from a destination.

MessageConsumer：会话创建的组件，用于从目的地接收消息。

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