C# 文件流操作 之 刪除、複製、轉移多個文件

       /// <summary>
        /// 刪除文件夾下面所有圖片
        /// </summary>
        /// <param name="oldpngPath">待刪除文件路徑</param>
        /// <param name="newpngPath">刪除到的新目錄</param>
        /// <param name="geshi">操作文件的格式 例如:*.png、*.xml</param>
        public void deleteAll(string delpath, string geshi)
        {
            string[] files = Directory.GetFiles(delpath, geshi);
            foreach (string file in files)
            {
                File.Delete(file);
            }
        }

 

        /// <summary>
        /// 複製文件夾下面所有圖片
        /// </summary>
        /// <param name="oldpngPath">待複製文件路徑</param>
        /// <param name="newpngPath">複製到的新目錄</param>
        /// <param name="geshi">操作文件的格式 例如:*.png、*.xml</param>
        public void copyALl(string oldpngPath, string newpngPath, string geshi)
        {

            string[] files = Directory.GetFiles(oldpngPath, geshi);
            foreach (string file in files)
            {
                string otherFile = Path.Combine(oldpngPath, Path.GetFileName(file));
                File.Copy(file, newpngPath + "\\" + Path.GetFileName(file));
            }

        }

 

       /// <summary>
        /// 移動文件夾下的所有文件
        /// </summary>
        /// <param name="olderpath">待移動的文件目錄</param>
        /// <param name="topath">新目錄</param>
        public void moveAll(string olderpath, string topath)
        {
            string[] files = Directory.GetFiles(delpath, geshi);
            foreach (string file in files)
            {
                File.Move(file, topath); //移動文件
            }
        }