通过excel模板文件根据数据库数据修改其中的单元格数据

  1         /// <summary>
  2         /// 根据文件模板生成excel
  3         /// </summary> 
  5         /// <param name="dttew">利润表_月报</param> 
 11         /// <param name="opetes">文件名</param>
 12         /// <param name="queryKey">资产负债表{税款所属期起-税款所属期止}</param>
 13         public void LeadExcelone(DataTable dttew, string opetes, string[] queryKey)
 14         {
 15             string filePath = Server.MapPath("/FilePath/" + "报表申报官方模板.xls");//项目内置文件模板地址
 16             using (var file = new FileStream(filePath, FileMode.Open, FileAccess.Read))
 17             {
 18                 MemoryStream ms = new MemoryStream();
 19                 var hssfworkbook = new HSSFWorkbook(file);   
 95                 var sheet2 = hssfworkbook.GetSheetAt(1);//获取文件第二个sheet
 96                 row3 = 4;
 97                 if (dttew != null && dttew.Rows.Count > 0)
 98                 {
 99                     for (int i = 0; i < dttew.Rows.Count; i++)
100                     {
101                         sheet2.GetRow(row3).GetCell(2).SetCellValue(dttew.Rows[i]["F_BalanceCP"].ToString() == "" ? "0.00" : dttew.Rows[i]["F_BalanceCP"].ToString());
102                         sheet2.GetRow(row3).GetCell(3).SetCellValue(dttew.Rows[i]["F_BalanceCY"].ToString() == "" ? "0.00" : dttew.Rows[i]["F_BalanceCY"].ToString());
103                         row3++;
104                     }
105                 }  
223                 hssfworkbook.Write(ms);
224                 System.Web.HttpContext.Current.Response.Clear();
225                 System.Web.HttpContext.Current.Response.ClearHeaders();
226                 System.Web.HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-8");
227                 System.Web.HttpContext.Current.Response.ContentType = "application/vnd.ms-excel.sheet.binary.macroEnabled.12";
228                 System.Web.HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename="+ opetes + ".xls");
229                 System.Web.HttpContext.Current.Response.BinaryWrite(ms.ToArray());
230                 //清除缓存  
231                 System.Web.HttpContext.Current.Response.Flush();
232                 System.Web.HttpContext.Current.Response.End();
233                 //关闭缓冲区  
234                 ms.Close();
235             }
236         }