C#遞歸獲取文件和目錄方法

我們寫程序經常要讀取某一目錄下有哪些文件，並且需要遞歸獲取，下面分享一下我是怎麼實現的。。

 

      static bool ExistsDirectory(string direName)
        {
            return System.IO.Directory.Exists(direName);
        }


        /// <summary>
        /// 遞歸獲取某一目錄下的符合條件的所有文件 
        /// </summary>
        /// <param name="path">目錄路徑</param>
        /// <param name="filter">要過濾的文件類型如m*或*.mp3等等不能爲null</param>
        /// <param name="isTiGui">是否遞歸獲取</param>
        /// <returns>所有文件</returns>
        static List<string> _GetAllFilesFromPath(string path, string filter, bool isTiGui = true)
        {
            List<string> files = new List<string>();
            if (!ExistsDirectory(path))
                return files;
            if (isTiGui)
            {
                string[] dirs = Directory.GetDirectories(path);//得到子目錄
                foreach (var str in dirs)
                    files.AddRange(GetAllFilesFromPath(str, filter, isTiGui));
            }
            string[] tempfiles = Directory.GetFiles(path, filter);
            files.AddRange(tempfiles);
            return files;
        }

        /// <summary>
        /// 遞歸獲取某一目錄下的符合條件的所有文件 
        /// </summary>
        /// <param name="path">目錄路徑</param>
        /// <param name="filters">要過濾的文件類型如m*或*.mp3等等不能爲null 多個用|,隔開</param>
        /// <param name="isTiGui">是否遞歸獲取</param>
        /// <returns>所有文件</returns>
        public static List<string> GetAllFilesFromPath(string path, string filters, bool isTiGui = true)
        {
            List<string> files = new List<string>();
            if (!string.IsNullOrWhiteSpace(filters))
            {
                foreach (var item in filters.Split(new Char[] { ',', '|' }, StringSplitOptions.RemoveEmptyEntries))
                {
                    var _files = _GetAllFilesFromPath(path, item, isTiGui);
                    foreach (var _file in _files)
                    {
                        files.Add(_file);
                    }
                }
                return files;
            }
            else
                return GetAllFilesFromPath(path, isTiGui);
        }
        /// <summary>
        /// 遞歸獲取某一目錄下的所有文件
        /// </summary>
        /// <param name="path">目錄路徑</param>             
        /// <param name="isTiGui">是否遞歸獲取</param>
        /// <returns>所有文件</returns>     
        public static List<string> GetAllFilesFromPath(string path, bool isTiGui = true)
        {
            return GetAllFilesFromPath(path, "*.*", isTiGui);
        }

        /// <summary>
        /// 遞歸獲取某一目錄下的所有目錄
        /// </summary>
        /// <param name="path">目錄路徑</param>
        /// <param name="isTiGui">是否遞歸獲取</param>
        /// <returns>所有目錄</returns>            
        public static List<string> GetAllDirectoriesFromPath(string path, bool isTiGui = true)
        {
            List<string> dirs = new List<string>();
            string[] tempdirs = Directory.GetDirectories(path);//得到子目錄
            if (isTiGui)
                foreach (var str in tempdirs)
                    dirs.AddRange(GetAllDirectoriesFromPath(str, isTiGui));
            dirs.AddRange(tempdirs);
            return dirs;
        }