Route parameters can be specified within an array, and passed to the gen() method as a second argument.
路由参数可以在一个数组中指定，并作为第二个参数传递给 gen() 方法。
2
Message Filter — Selectively route messages based on message content specified via XPath expressions.
Message Filter——根据XPath表达式指定的消息内容，选择性地对消息进行路由。
3
The AMQP Model consists of a set of well-specified components that route and store messages within a broker service, plus a simple set of rules for wiring these components together