您可以在服务器端采用目录结构，在客户端创建一个树型表示。

You are taking the directory structure represented on the server and creating a tree representation on the client.

youdao

编写客户机端代码以遍历在运行时生成的解析树并对其求值。

Write client-side code to walk and evaluate the parse tree that's produced at runtime.

youdao

您需要为树定义一个新内容类型，这样Dojo客户端就可以区分和显示不同小部件上的数据，如清单15所示。

You need to define a new content type for the tree so Dojo clients can differentiate and render the data on different widgets, as shown in Listing 15.

youdao