In addition to these changes, you need to create a service export definition for every request handler.
除了这些变更,您需要为每个请求处理程序创建一个服务导出定义。
You could apply either means of asynchronous messaging to create other exchange patterns, such as a request to receive multiple notifications (such as notifications for changes in stock quotes).
你可以应用同步消息的方法来创建其他的交换模式,比如接收多重通知请求(例如在股票报价变更的通知)。
Your callback function will run several times — each time the ready state of the request changes — and you'll see an alert for each ready state.
这个回调函数会运行多次——每次就绪状态都会改变——您可以看到每个就绪状态的警告。
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