说明：  遍历文件夹及目录，读取文件夹、文件夹里的文件、列出本地磁盘，包括USB移动设备等，完全是基于FSO的一个文件操作示例程序，比较简单，容易看懂。
(Traverse Folder and directory, read file folder, folders, documents, lists of local disk, including mobile devices such as USB, is a file-based operation of the FSO sample procedure is relatively simple, easy to understand.)