C#获取文件夹及子文件夹下所有文件

        /// <summary>
        /// 获取文件夹下所有文件
        /// </summary>
        /// <param name="filePath"></param>
        public void getFileList(string filePath)
        {
            //文件路径
            String rootPath = filePath;
            try
            {
                List<string> path_List = getDirectory(rootPath);
                for (int i = 0; i < 1; i++)
                {
                    List<string> file_List = getFileName(path_List[i]);
                    foreach (string path in file_List)
                    {
                        Console.WriteLine(path);
                    }
                }
            }
            catch (IOException ex)
            {
                Console.WriteLine(ex.Message);
            }
        }