这是我为filedisk写的一个界面。实现了虚拟磁盘的挂载，加密，格式化等操作。并且加入了稀疏文件的支持。可以虚拟出几十TB大的磁盘。,This is what I wrote as an interface filedisk. The realization of the mounted virtual disk, encryption, formatting, etc. operations. And joined the sparse file support. TB can be doz