/// <summary>

        /// 删除文件夹以及文件

        /// </summary>

        /// <param name="directoryPath"> 文件夹路径 </param>

        /// <param name="fileName"> 文件名称 </param>

        public static void DeleteDirectory(string directoryPath, string fileName)

        {

            //删除文件

            for (int i = ; i < Directory.GetFiles(directoryPath).ToList().Count; i++)

            {

                if (Directory.GetFiles(directoryPath)[i] == fileName)

                {

                    File.Delete(fileName);

                }

            }

            //删除文件夹

            for (int i = ; i < Directory.GetDirectories(directoryPath).ToList().Count; i++)

            {

                if (Directory.GetDirectories(directoryPath)[i] == fileName)

                {

                    Directory.Delete(fileName, true);

                }

            }

        }