DcBoy's Blog

//创建目录  Directory.CreateDirectory("c://Dir_name");         //删除目录   Directory.Delete("c://Dir_name");   //或   Directory.Delete("c://Dir_name",false);    //当待删除目录下有文件或子目录时，抛出异常，除非第二个参数为true   //判断一

加密：static String Encrypt(String pwd) {DESCryptoServiceProvider desc = new DESCryptoServiceProvider();//des进行加密PasswordDeriveBytes db = new PasswordDeriveBytes(pwd, null);//产生keybyte[] key = db.GetByte