In this example, we will be describing a widget that shows the power usage effectiveness (PUE) of a data center.
在本例中，我们将介绍显示数据中心电源使用效率(PUE)的小部件。
Listing 6 shows sample code for a widget that illustrates server power.
清单6显示了说明服务器电量的小部件的示例代码。
The TreeGrid widget itself is merely a view of the data. The real power comes with TreeModel, which represents the actual hierarchical data that the Tree widget will display.
TreeGrid小部件本身只不过是该数据的一个视图，真正的力量来自于TreeModel，它呈现Tree小部件将要显示的实际分层数据。
The TreeGrid widget itself is merely a view of the data. The real power comes with TreeModel, which represents the actual hierarchical data that the Tree widget will display.
TreeGrid小部件本身只不过是该数据的一个视图，真正的力量来自于TreeModel，它呈现Tree小部件将要显示的实际分层数据。
应用推荐