這篇文章主要介紹了asp.net導出excel的簡單方法實例,需要的朋友可以參考下
excel的操作，最常用的就是導出和導入，廢話不多說上代碼。 本例使用NPOI實現的，不喜勿噴哈。。。。 代碼如下: /// <summary> /// 導出Excel /// </summary> /// <param name="stime"></param> /// <param name="etime"></param> /// <returns></returns> public ActionResult Export(FormCollection frm) { DataTable dts = new DataTable(); dts = _shopMemeber.ExportMemberData(frm); IWorkbook workbook = new XSSFWorkbook(); ISheet sheet = workbook.CreateSheet(); IRow headerRow = sheet.CreateRow(0); foreach (DataColumn column in dts.Columns) headerRow.CreateCell(column.Ordinal).SetCellValue(column.Caption); int rowIndex = 1; foreach (DataRow row in dts.Rows) { IRow dataRow = sheet.CreateRow(rowIndex); foreach (DataColumn column in dts.Columns) { dataRow.CreateCell(column.Ordinal).SetCellValue(row[column].ToString()); } rowIndex++; } string filepath = Server.MapPath("/") + @"用戶列表.xlsx"; FileStream file = new FileStream(filepath, FileMode.Create); workbook.Write(file); ExcelHelper.DownLoad(@"/用戶列表.xlsx"); #region 不啟用 #endregion return SuccessMsg("AdminMemberMemberIndex"); } //這個是下載到桌面的方法，沒實現自選路徑 public static void DownLoad(string FileName) { FileInfo fileInfo = new FileInfo(HttpContext.Current.Server.MapPath(FileName)); //以字符流的形式下載文件 FileStream fs = new FileStream(HttpContext.Current.Server.MapPath(FileName), FileMode.Open); byte[] bytes = new byte[(int)fs.Length]; fs.Read(bytes, 0, bytes.Length); fs.Close(); HttpContext.Current.Response.ContentType = "application/octet-stream"; //通知浏覽器下載文件而不是打開 HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(fileInfo.Name, System.Text.Encoding.UTF8)); HttpContext.Current.Response.BinaryWrite(bytes); HttpContext.Current.Response.Flush(); HttpContext.Current.Response.End(); } 上面是導出，下面我介紹下導入。 代碼如下: /// <summary> /// 導入數據 /// </summary> /// <param name="file"></param> /// <returns>true表示導入成功</returns> public bool Impoart(HttpPostedFileBase file) { try { //保存excel string path = HttpContext.Current.Server.MapPath("/"); file.SaveAs(path + file.FileName); //讀取 FileStream sw = File.Open(path + file.FileName, FileMode.Open, FileAccess.Read); IWorkbook workbook = new XSSFWorkbook(sw); ISheet sheet1 = workbook.GetSheet("Sheet1"); //最大行數 int rowsCount = sheet1.PhysicalNumberOfRows; //判斷首行是否符合規范 也就是Excel中的列名 IRow firstRow = sheet1.GetRow(0); if ( !(firstRow.GetCell(0).ToString() == "名稱" && firstRow.GetCell(1).ToString() == "簡稱" && firstRow.GetCell(2).ToString() == "分類" && firstRow.GetCell(3).ToString() == "參考價" && firstRow.GetCell(4).ToString() == "商品介紹")) { return false; } //跳過類型不正確的品項 for (int i = 1; i < rowsCount; i++) { IRow row = sheet1.GetRow(i); Shop_Product product = new Shop_Product(); string category = row.GetCell(2) != null ? row.GetCell(2).ToString() : null; if (!string.IsNullOrEmpty(category)) { var cate = _unitOfWork.Shop_ProductCategoryRepository().GetAll().FirstOrDefault(t => t.Name == category); if (cate != null) { product.ProductCategoryName = cate.Name; product.Shop_ProductCategory_ID = cate.ID; } else { continue; } } else { continue; } product.PName = row.GetCell(0) != null ? row.GetCell(0).ToString() : null; product.PCName = row.GetCell(1) != null ? row.GetCell(1).ToString() : null; if (row.GetCell(3) != null) { product.Price = Double.Parse(row.GetCell(3).ToString()); } product.Description = row.GetCell(4) != null ? row.GetCell(4).ToString() : null; _unitOfWork.Shop_ProductRepository().Insert(product); } _unitOfWork.Save(); } catch { return false; } return true; }
