You also need to specify which format you want the result in (XML or JSON) using a standard Accept header.

您还需要使用一个标准的Accept标头指定想要的结果格式(xml或json)。

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Now that you've created a reasonable facsimile of the original header, you also need to override the footer method so you can generate the footer.

现在您已经创建了一个原始标题的合理副本，您也需要重写Footer方法，以便于您生成页脚。

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