We create documents for every book we have, and, to fully describe the book's information, we use custom fields as an extension of an ordinary document.
我们为书店的每本书创建文档,并且为了完全地描述关于图书的信息,我们使用定制字段来扩展常规文档。
This example builds upon the applications in Example 3, demonstrating the RRD's ability to pass along custom data through the use of extension generators and handlers. To install and run the example
此示例构建在 示例 3 中的应用程序之上,并演示了 RRD 通过使用扩展生成器和处理程序传递数据的功能。
Configure one of the processes to use the custom extension.
配置一种处理过程,用来使用自定义的扩展。
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