告诉用户他们想要的，比如：订单号。

Tell users what they are likely to want to know, such as the order number.

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例如，在状态页面中，可能让用户输入订单号，然后让另一个按钮或链接向用户提供他们的状态。

For example, on the status page, you might have a user enter an order number and have another button or link that gives them their status.

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当用户点击订单号时，该portlet把订单号发送给Order Details和Customer Details portlet，这两者然后显示适当的订单和客户细节。

When the user clicks on an order number, the portlet sends the order number to the order details and customer details portlets, which then display the appropriate order and customer details.

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