/// <summary>

        /// 获取取子文件下所有文件

        /// </summary>

        /// <param name="web"></param>

        /// <param name="folders"></param>

        private void EnumerateFolders(SPWeb web, SPFolderCollection folders)

        {

            foreach (SPFolder subFolder in folders)//获取文件夹中的文件

            {

                SPFileCollection subFiles = subFolder.Files;

                foreach (SPFile file in subFiles)

                {

                    AddItemToDocFileList(file, web, subFolder);

                }

                SPFolderCollection subFolders = subFolder.SubFolders;//获取文件夹中的子文件夹

                EnumerateFolders(web, subFolders);

            }

        }