/// <summary>
        /// 临时保存
        /// </summary>
        /// <returns></returns>
        private string TemporarySave()
        {
            string _path = AppDomain.CurrentDomain.BaseDirectory;

            _path += string.Format(@"\TemporarySave{0}.xls", DateTime.Now.ToString("hhmmss"));
            using (FileStream file = new FileStream(_path, FileMode.Create))
            {
                HssfWork.Write(file);
                file.Close();
            }
            return(_path);
        }