向Excel模板中添加数据

　　/// <summary>
        /// 追加记录
        /// </summary>
        /// <param name="DataTable"></param>
        public void AppendText(string fileName, System.Data.DataTable dt)
        {
            ApplicationClass excel = new ApplicationClass();
            object miss = System.Type.Missing;
            excel.Workbooks.Open(fileName, miss, false, miss, miss, miss, miss, miss, miss, miss, miss, miss, miss, 　　　　　　　　miss, miss);
            Workbooks workBooks = null;
            try
            {
                workBooks = excel.Workbooks;
                Workbook curWorkBook = workBooks[1];
                Worksheet curSheet = (Worksheet)curWorkBook.Worksheets[1];
                excel.DisplayAlerts = false;
                excel.AlertBeforeOverwriting = false;

                int cout = curSheet.UsedRange.Rows.Count;
                for (int i = 0; i < dt.Rows.Count; i++)
                {
                    //for (int j = 0; j < dt.Columns.Count; j++)
                    //{
                    curSheet.Cells[cout + i + 1, 1] = (cout + i - 2).ToString();
                    curSheet.Cells[cout + i + 1, 2] = dt.Rows[i][0].ToString();
                    
                    //}
                }
                curWorkBook.Save();
                workBooks.Close();
                excel.Quit();
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (workBooks != null) { workBooks.Close(); }
                if (excel != null) { excel.Quit(); }
            }
        }