主要是一些文件的操作，新建文件夹、下载，上传、分割文件、合并文件、Unzip解压Zip压缩、剪切、复制、粘贴 等功能-Are mainly for file operations, the new folders, download, upload, split files, merge files, Unzip decompression Zip compression, cut, copy, paste and other functions

VC6.0测试通过 能对一个大文件分割成若干小文件，也能合并若为小文件为一个大文件， 学习的好例子-VC6.0 test able to split a large file into several small files, but also to merge the case of small files into one large file, learning a good example