其目的是抽取处理文件和目录时所涉及的复杂的、平台特定的细节，并能较好地为程序员提供更强大的功能和更多的灵活性。

Its aim is to abstract away some of the complex platform-specific details of dealing with files and directories and to give programmers more power and flexibility, and it has achieved this well.

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清单1显示了从关联的WSDL文件抽取的XSD代码片段，其中两个元素分别对应某项操作的输入和输出。

Listing 1 shows an XSD snippet pulled from a associated WSDL file, with two elements that correspond to the input and output of an operation.

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可以选择再次运行抽取，或者将该文件作为报告的源。

You can then choose to run the extract again or use that file as the source for your reports.

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