Rails的helpers，类似于清单8中的帮助器，使简化和重用视图结构变得简单。

Rails helpers, similar to the helper you see in Listing 8, make it easy to simplify and reuse portions of views.

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业务对象映射编辑器可以帮助您，为您提供不同的映射视图。

The business object mapping editor can help by providing you with different views of the map.

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编辑器可以帮助您调整视图中的组件位置。

The editor helps you align components inside the view.

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