The service interface for our example is very simple, consisting of one method that can be called by the sample portlet to retrieve the location information, based on a zip code.

我们实例的服务接口非常简单，仅由一个方法构成，以邮政编码为基础，样本 portlet 可以调用该方法来检索位置信息。

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In this sample, only one database is used, but in a multiple database solution, the derived business object classes can override this method, returning their appropriate home Notes database instance.

在这个示例中，只用到了一个数据库，但在多数据库解决方案中，派生的业务对象类可以覆盖该方法，返回其适当的主要Notes数据库实例。

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Now we will explain the method of how to create dynamic reporting based on Role based security by using one of our sample packages, "Great Outdoors Warehouse". (Figure 2).

下面，我们将使用我们的一个样例包“Great Out doors Warehouse”展示如何根据基于角色的安全性创建动态报告(见图2)。

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