//新建工作簿
            Workbook workbook = new Workbook(); //工作簿
            Worksheet sheet = workbook.Worksheets[0]; //工作表
            Cells cells = sheet.Cells;//單元格

            Style style = workbook.Styles[workbook.Styles.Add()];//新增樣式

            #region 表頭
            //標題
            style.HorizontalAlignment = TextAlignmentType.Center;//文字居中 
            style.Font.Name = "宋體";//文字字體
            style.Font.Size = 18;//文字大小 
            style.Font.IsBold = true;//粗體

            cells.Merge(0, 0, 1, 12);               //合并單元格
            cells[0, 0].PutValue("標準化工作意見建議匯總表");   //填寫內容
            cells[0, 0].SetStyle(style);            //給單元格關聯樣式 
            cells.SetRowHeight(0, 28);              //設置行高 

            //發布時間
            style.HorizontalAlignment = TextAlignmentType.Left;
            style.Font.Size = 11;
            style.Font.IsBold = false;
            cells.Merge(1, 0, 1, 7);
            cells[1, 0].PutValue(String.Format("發布起止時間：{0}至{1}",DateTime.Now.AddDays(-1).ToString("yyyy年MM月dd日"),DateTime.Now.ToString("yyyy年MM月dd日")));
            cells[1, 0].SetStyle(style);
            cells.SetRowHeight(1, 20);

            //統計時間
            style.HorizontalAlignment = TextAlignmentType.Right;
            style.Font.Size = 11;
            style.Font.IsBold = false;
            cells.Merge(1, 7, 1, 5);
            cells[1, 7].PutValue(String.Format("統計時間:{0}", DateTime.Now.ToString("yyyy年MM月dd日")));
            cells[1, 7].SetStyle(style);
            cells.SetRowHeight(1, 20);
            #endregion

            #region 表格

            #region 表格標題行
            //序號
            style.HorizontalAlignment = TextAlignmentType.Center;
            cells[2, 0].PutValue("序號");
            cells[2, 0].SetStyle(style);
            cells.SetRowHeight(2, 20);
            cells.SetColumnWidthPixel(0, 38);

            //建議時間
            cells[2, 1].PutValue("建議時間");
            cells[2, 1].SetStyle(style);
            cells.SetColumnWidthPixel(1, 77);

            //建議部門
            cells[2, 2].PutValue("建議部門");
            cells[2, 2].SetStyle(style);
            cells.SetColumnWidthPixel(2, 107);

            //建 議 人
            cells[2, 3].PutValue("建 議 人");
            cells[2, 3].SetStyle(style);
            cells.SetColumnWidthPixel(3, 69);

            //類   別
            cells[2, 4].PutValue("類   別");
            cells[2, 4].SetStyle(style);
            cells.SetColumnWidthPixel(4, 71);

            //業務種類
            cells[2, 5].PutValue("業務種類");
            cells[2, 5].SetStyle(style);
            cells.SetColumnWidthPixel(5, 71);

            //標準名稱
            cells[2, 6].PutValue("標準名稱");
            cells[2, 6].SetStyle(style);
            cells.SetColumnWidthPixel(6, 114);

            //標準章、條編號
            cells[2, 7].PutValue("標準章、條編號");
            cells[2, 7].SetStyle(style);
            cells.SetColumnWidthPixel(7, 104);

            //意見建議
            cells[2, 8].PutValue("意見建議");
            cells[2, 8].SetStyle(style);
            cells.SetColumnWidthPixel(8, 255);

            //處理部門
            cells[2, 9].PutValue("處理部門");
            cells[2, 9].SetStyle(style);
            cells.SetColumnWidthPixel(9, 72);

            //處理進度
            cells[2, 10].PutValue("處理進度");
            cells[2, 10].SetStyle(style);
            cells.SetColumnWidthPixel(10, 72);

            //備注
            cells[2, 11].PutValue("備注");
            cells[2, 11].SetStyle(style);
            cells.SetColumnWidthPixel(11, 255);

            #endregion

            #endregion

            System.IO.MemoryStream ms = workbook.SaveToStream();//生成數據流
            byte[] bt = ms.ToArray();

            workbook.Save(@"E:\test.xls");//保存到硬盤
        }

//下載
            System.IO.MemoryStream ms = workbook.SaveToStream();//生成數據流
            byte[] bt = ms.ToArray();

            string fileName = "標準化工作意見建議匯總表" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".xls";//客戶端保存的文件名
            //以字符流的形式下載文件  

            Response.ContentType = "application/vnd.ms-excel";

            //通知瀏覽器下載文件而不是打開
            Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
            Response.BinaryWrite(bt);

            Response.Flush();
            Response.End();