[.Net] 导出Excel中身份证等数字串的解决方式

时间:2022-03-16 00:38:14
public static void DataTableToExcel(System.Data.DataTable dtData, String FileName)    

{        

  GridView dgExport = null;        

    HttpContext curContext = HttpContext.Current;        

  StringWriter strWriter = null;        

  HtmlTextWriter htmlWriter = null;        

  if (dtData != null)        

   {            

     HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8);

             curContext.Response.AddHeader("content-disposition", "attachment;filename=" + HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8) + ".xls");

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

            curContext.Response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-7");

            curContext.Response.Charset = "GB2312";

            strWriter = new StringWriter();

            htmlWriter = new HtmlTextWriter(strWriter);  

           dgExport = new GridView();

            dgExport.RowDataBound += (GridViewFormat); //在GridView绑定数据时,将数据格式化

            dgExport.DataSource = dtData.DefaultView;

            dgExport.AllowPaging = false;

            dgExport.DataBind();

            dgExport.RenderControl(htmlWriter);

            curContext.Response.Write(strWriter.ToString());

            curContext.Response.End();  

       }

}

 protected static void GridViewFormat(object sender, GridViewRowEventArgs e)    

{        

     //1)  文本:vnd.ms-excel.numberformat:@

        //2)  日期:vnd.ms-excel.numberformat:yyyy/mm/dd

        //3)  数字:vnd.ms-excel.numberformat:#,##0.00

        //4)  货币:vnd.ms-excel.numberformat:¥#,##0.00

        //5)  百分比:vnd.ms-excel.numberformat: #0.00%

        for (int i = 0; i < e.Row.Cells.Count; i++)

        {

            if (e.Row.RowType == DataControlRowType.DataRow)

    {

                e.Row.Cells[i].Attributes.Add("style", "vnd.ms-excel.numberformat:@");

    }

        }

    }