The Runnable task performed by the service is the bulk of the code from Listing 5. I've added some additional checks to improve building the URLs for the next page.

该服务执行的Runnable任务是清单5中的大量代码。我添加了一些额外的检查，以改进构建下一个页面的URL的过程。

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RMInvoker: This is a runnable component that dispatches web service requests to the actual service.

RMInvoker：此组件为将Web服务请求调度到实际的服务的可运行组件。

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