您可以自己创建WSDL文件，也可以从WSDL文件生成您的服务的骨架，然后在这个骨架中编写应用程序代码；这称为自顶向下开发。

You can create WSDL files yourself and generate a skeleton of your service from the WSDL files, then write application code in the skeleton; this is known as top-down development.

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访问自顶向下应用程序开发特性。

Visit the Top down application development feature.

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WebSphere Integration Developer V6.0是一个灵活的开发环境，它为自底向上或自顶向下开发sca应用程序提供了工具和向导。

WebSphere Integration Developer V6.0 is a flexible development environment that provides tools and wizards for developing SCA applications from the bottom-up or from the top-down.

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