NPOI导出Excel2007

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public void Export_ProjectList(DataTable dt, HttpRequestBase Request) { string strModelFile = “”; strModelFile = Request.PhysicalApplicationPath + “ProjectList.xls”;//模板地址 XSSFWorkbook workbook = null; FileStream file = new FileStream(strModelFile, FileMode.Open, FileAccess.Read); workbook = new XSSFWorkbook(file);//如果导出2003 则是HSSFWorkbook HSSFSheet sheet = (HSSFSheet)workbook.GetSheet(“ProjectList”);//可以是ISheet Sheet=null; if (sheet == null) { return; } ICellStyle cellStyle = workbook.CreateCellStyle(); cellStyle.BorderBottom = BorderStyle.Thin; cellStyle.BorderLeft = BorderStyle.Thin; cellStyle.BorderRight = BorderStyle.Thin; cellStyle.BorderTop = BorderStyle.Thin; cellStyle.WrapText = true; cellStyle.Alignment = HorizontalAlignment.Center; cellStyle.VerticalAlignment = VerticalAlignment.Center;

//设置详细信息 if (dt != null && dt.Rows.Count > 0) { IRow dataRowtitle = sheet.CreateRow(0); dataRowtitle.Height = 500; dataRowtitle.CreateCell(0).SetCellValue(“序号”); dataRowtitle.CreateCell(1).SetCellValue(“项目编号”); dataRowtitle.CreateCell(2).SetCellValue(“项目名称”); dataRowtitle.CreateCell(3).SetCellValue(“项目内容”); dataRowtitle.CreateCell(4).SetCellValue(“行政区”); dataRowtitle.CreateCell(5).SetCellValue(“所属分公司”); dataRowtitle.CreateCell(6).SetCellValue(“联系人”); dataRowtitle.CreateCell(7).SetCellValue(“联系人电话”);

for (int i = 0; i < dt.Rows.Count; i++) { IRow dataRow = sheet.CreateRow(i + 1); dataRow.Height = 450;

for (int j = 0; j < 8; j++) { ICell iCell = dataRow.CreateCell(j); iCell.CellStyle = cellStyle; switch (j) { case 0: iCell.SetCellValue(i + 1);//序号 break; case 1: iCell.SetCellValue(dt.Rows[i][“PROJECTCODE”] == null ? “” : String.Format(“{0:d}”, dt.Rows[i][“PROJECTCODE”]));//项目编号 break; case 2: iCell.SetCellValue(dt.Rows[i][“NAME”].ToString());//项目名称 break; case 3: iCell.SetCellValue(dt.Rows[i][“CONTENT”].ToString());//项目内容 break; case 4: iCell.SetCellValue(GetListName(GFun.SafeToInt32(dt.Rows[i][“DISTRICT”])));//行政区 break; case 5: iCell.SetCellValue(GetListName(GFun.SafeToInt32(dt.Rows[i][“BRANCH”])));//所属分公司 break; case 6: iCell.SetCellValue(dt.Rows[i][“CONTACTS”].ToString());//联系人 break; case 7: iCell.SetCellValue(dt.Rows[i][“PHONENUM”].ToString());//联系人电话 break; }

} } } string fileName = string.Empty; //sheet.GetRow(0).GetCell(0).SetCellValue(“项目信息”);//标题 SetExportFileName(fileName + “查询结果导出.xlsx”, workbook); } public static void SetExportFileName(string sFileName, XSSFWorkbook workbook) { System.Web.HttpContext.Current.Response.Charset = “GB2312”; System.Web.HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8; sFileName = System.Web.HttpUtility.UrlEncode(sFileName, System.Text.Encoding.UTF8); // 添加头信息，为”文件下载/另存为”对话框指定默认文件名 System.Web.HttpContext.Current.Response.AddHeader(“Content-Disposition”, “attachment; filename=” + sFileName);

// 指定返回的是一个不能被客户端读取的流，必须被下载 System.Web.HttpContext.Current.Response.ContentType = “application/ms-Excel”;

// 把文件流发送到客户端 workbook.Write(System.Web.HttpContext.Current.Response.OutputStream); // 停止页面的执行 System.Web.HttpContext.Current.Response.End(); }

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