In Listing 4, OrderInfo has four main components.

在清单4中，OrderInfo有四个主要组件。

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Listing 4 defines an instance locally in the order form, called OrderInfo.

清单4在订货表单中定义了一个名为OrderInfo的本地实例。

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The Properties view shows an XPath expression that selects the item attribute from orderInfo.

Properties 视图显示了一个从 orderInfo 中选择 item 属性的 XPath 表达式。

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