You then periodically update the current value of the progress bar with the setValue() method to indicate the current progress of the task. Listing 2 shows a simple example of setValue()

然后定期用setValue()方法更新进度条的值以显示任务的当前进展。

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Using the setvalue element, you copy that value to the weatherInstance instance, which you subsequently submit.

使用setvalue元素可以将这个值复制到 weatherInstance 实例中，然后提交该实例。

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The setValue(item, attribute, value) method of JsonDataStore updates the existing node property.

JsonDataStore的setValue(item,attribute,value)方法更新了当前节点。

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Finally, the setvalue action tied to the trigger references that same value element in its index attribute, which can take an XPath expression.

最后，触发器的setvalue操作引用其index属性中的相同value元素，index属性可以使用XPath表达式。

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Finally, the setvalue action tied to the trigger references that same value element in its index attribute, which can take an XPath expression.

最后，触发器的setvalue操作引用其index属性中的相同value元素，index属性可以使用XPath表达式。

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