文件加密小程序，具有整个目录下指定文件类型所有文件的加密功能。并且是可逆的，加密后用同样的方法操作一遍即解密了。例如加密类型选择pic，即对图片进行加密，如不指定目录，则将对当前目录下的所有图片进行加密，加密后图片就打不开了，需要解密只需再次操作即可-File encryption applet, with the entire directory on the file type specified encryption of all files. And is reversible encryption method is again the same is declassified. For example, select the encryption type of pic, that is to encrypt the picture, if not specified directory, then the current directory to encrypt all the pictures, to not open the encrypted image, you need to decrypt only the operation again