文件加密器，拥有图形界面，用于文件的加解密，为本人的课程设计。采用多线程设计，在加密文件的同时可实时显示进度。-File encryption devices, with graphical interface for file encryption and decryption, for my course design. Multi-threaded design, encrypted files can be real-time display of progress at the same time.