Then, you will invoke the MortgageCalculatorServlet servlet from the portlet using the object of type RequestDispatcher.

然后，您将使用类型为 RequestDispatcher 的对象从 portlet 调用 MortgageCalculatorServlet servlet。

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Upon submission, the portlet invokes the servlet, and passes values to the servlet using an object of type, RequestDispatcher.

提交之后，portlet就调用servlet，并使用一个类型为RequestDispatcher的对象把这些值传递给servlet。

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If the RRD resource is memory - or processor-intensive, the calling resource is not affected as much as a standard RequestDispatcher running within the same JVM.

如果RRD资源是内存密集型的或处理器密集型的，那么调用资源不会像在同一J VM中运行的标准RequestDispatcher那样受到较大影响。

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