The example application in Figure 1 shows how you display the data in the custom-made form in read and editable mode from XML storage.

图1的示例应用程序演示了如何在定制表单中，用只读和可编写模式显示来自xml存储的数据。

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The data read in the use case should be used to display the cart to the user.

用例中读取的数据应该用来向用户显示购物车。

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RFHUtil lets you read and write data from and to files or queues, and display data in a variety of formats.

RFHUtil 允许您从/对文件或者队列读取/写入数据，并采用各种不同的格式来显示数据。

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