这是如何解决自顶向下的脚本问题的经典示例，但是在下一个部分中，您将完全改变这种方法，并从对象的角度考虑问题。
This is a classic example of how a top-down scripting problem can be solved, but in the next section you change your approach completely and think in terms of objects.
本系列的第3部分还介绍了如何使用自顶向下方法将遗留应用程序作为服务公开。
Part 3 of this series also showed how a legacy application can be surfaced using a top-down approach.
最后，现有的规则中没有一个可以解决如何为SOA启用现有的应用程序的问题；大部分时间都采用自顶向下流程。
Finally, none of the existing disciplines address how existing applications can be enabled for SOA; a top-down process is employed most of the time.
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