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

            Style style = workbook.Styles[workbook.Styles.Add()];//新增样式

            #region 表头
            //标题
            style.HorizontalAlignment = TextAlignmentType.Center;//文字居中 
            style.Font.Name = "宋体";//文字字体
            style.Font.Size = 18;//文字大小 
            style.Font.IsBold = true;//粗体

            cells.Merge(0, 0, 1, 12);               //合并单元格
            cells[0, 0].PutValue("标准化工作意见建议汇总表");   //填写内容
            cells[0, 0].SetStyle(style);            //给单元格关联样式 
            cells.SetRowHeight(0, 28);              //设置行高 

            //发布时间
            style.HorizontalAlignment = TextAlignmentType.Left;
            style.Font.Size = 11;
            style.Font.IsBold = false;
            cells.Merge(1, 0, 1, 7);
            cells[1, 0].PutValue(String.Format("发布起止时间：{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);

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

            #region 表格

            #region 表格标题行
            //序号
            style.HorizontalAlignment = TextAlignmentType.Center;
            cells[2, 0].PutValue("序号");
            cells[2, 0].SetStyle(style);
            cells.SetRowHeight(2, 20);
            cells.SetColumnWidthPixel(0, 38);

            //建议时间
            cells[2, 1].PutValue("建议时间");
            cells[2, 1].SetStyle(style);
            cells.SetColumnWidthPixel(1, 77);

            //建议部门
            cells[2, 2].PutValue("建议部门");
            cells[2, 2].SetStyle(style);
            cells.SetColumnWidthPixel(2, 107);

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

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

            //业务种类
            cells[2, 5].PutValue("业务种类");
            cells[2, 5].SetStyle(style);
            cells.SetColumnWidthPixel(5, 71);

            //标准名称
            cells[2, 6].PutValue("标准名称");
            cells[2, 6].SetStyle(style);
            cells.SetColumnWidthPixel(6, 114);

            //标准章、条编号
            cells[2, 7].PutValue("标准章、条编号");
            cells[2, 7].SetStyle(style);
            cells.SetColumnWidthPixel(7, 104);

            //意见建议
            cells[2, 8].PutValue("意见建议");
            cells[2, 8].SetStyle(style);
            cells.SetColumnWidthPixel(8, 255);

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

            //处理进度
            cells[2, 10].PutValue("处理进度");
            cells[2, 10].SetStyle(style);
            cells.SetColumnWidthPixel(10, 72);

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

            #endregion

            #endregion

            System.IO.MemoryStream ms = workbook.SaveToStream();//生成数据流
            byte[] bt = ms.ToArray();

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

//下载
            System.IO.MemoryStream ms = workbook.SaveToStream();//生成数据流
            byte[] bt = ms.ToArray();

            string fileName = "标准化工作意见建议汇总表" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".xls";//客户端保存的文件名
            //以字符流的形式下载文件  

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

            //通知浏览器下载文件而不是打开
            Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
            Response.BinaryWrite(bt);

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