For more detailed analysis, you can also grab a task based on its processor ID using the following function.

要获得更多详细的分析，您还可以使用以下函数来基于其处理器id获取任务。

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Note the id variable in the URL, which is how the grab controller in Listing 2 knows which id to fetch from the database.

还有url中的id变量，清单2中的grab控制器依靠它才知道从数据库获取哪个id。

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The grab view simply queries the database for the patient record as indicated in the id variable of the referring URL, formats the XML appropriately, and sends the data back to the XForm.

grab视图根据引用url的id变量查询数据库中的患者记录，对XML进行适当地格式化，把数据返回X Form。

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