复制U盘指定文件夹设有四种工作模式,如下:复制:可以自动复制U盘中指定类型的文件,也可以自动复制U盘中所有的文件.删除:可以自动删除U盘中指定类型的文件,也可以自动删除U盘中所有的文件,写入:向U盘写入单个文件-U disk replication designated folder has four operating modes, as follows: Copy: You can automatically copy the U intraday specified types of files, you can automatically copy all the documents intraday U. Delete: U can be automatically deleted after the specified types of documents can also be automatically deleted after U all the documents, write: U disk to write a single file