protected void Page_Load(object sender, EventArgs e) { string codename = Request.QueryString["codename"]; SystemBO _bal = BLLFactory.GetBal <SystemBO>(userInfo); WsSystem ws = new WsSystem(); IList <BasCode> objods = _bal.FindBasCode("", codename);//.FindFailItems(failcode,failtype); if (objods == null || objods.Count == 0) { Response.Write("no data"); return; } HSSFWorkbook hssfWorkbook = new HSSFWorkbook(); Row row = null; Cell cell = null; Sheet hssfSheet = hssfWorkbook.CreateSheet("CodeQuery"); row = hssfSheet.CreateRow(0); //填充头 string objs = "编码名称,编码类型,前缀字符,日期格式,绑定序列,编码长度,操作人,时间"; for (int i = 0; i < objs.Split(',').Length; i++) { cell = row.CreateCell(i); cell.SetCellValue(objs.Split(',')[i]); } for (int i = 1; i < objods.Count + 1; i++) { row = hssfSheet.CreateRow(i); cell = row.CreateCell(0); cell.SetCellValue(objods[i - 1].NAME); cell = row.CreateCell(1); cell.SetCellValue(objods[i - 1].TYPE); cell = row.CreateCell(2); cell.SetCellValue(objods[i - 1].PREFIX); cell = row.CreateCell(3); cell.SetCellValue(objods[i - 1].DateFormat); cell = row.CreateCell(4); cell.SetCellValue(objods[i - 1].BindSequence); cell = row.CreateCell(5); cell.SetCellValue(objods[i - 1].CodeLen.ToString()); cell = row.CreateCell(6); cell.SetCellValue(ws.FindUserNameByCode(objods[i - 1].UpdatedBy)); cell = row.CreateCell(7); cell.SetCellValue(objods[i - 1].CreatedDate.ToString()); } MemoryStream file = new MemoryStream(); hssfWorkbook.Write(file); String fileName = "CodeQuery" + DateTime.Now.ToString("yyyyMMddHHmmss"); Response.Clear(); Response.ClearContent(); Response.ClearHeaders(); Response.AddHeader("Content-Disposition", string.Format("attachment;filename={0}.xls", fileName)); Response.AddHeader("Content-Length", file.Length.ToString()); Response.AddHeader("Content-Transfer-Encoding", "binary"); Response.ContentType = "application/octet-stream"; Response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-8"); Response.BinaryWrite(file.GetBuffer()); Response.Flush(); Response.End(); }