asp.net将内容导出到Excel，Table表格数据(html)导出EXCEL

代码：

　　　

 　　　　　/// <summary>
         /// HTML Table表格数据(html)导出EXCEL
         /// </summary>
         /// <param name="tableHeader">表头</param>
         /// <param name="tableContent">内容</param>
         /// <param name="sheetName">文件名称</param>
         public void ExportToExcel(string tableHeader,string tableContent,string sheetName)
         {
             string fileName = sheetName + DateTime.Now.ToString("yyyyMMddHHmmss");
             string tabData = htmlTable;
             if (tabData != null)
             {
                 StringWriter sw = new System.IO.StringWriter();
                 sw.WriteLine("<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" /></head><body>");
                 sw.WriteLine("<table>");
                 sw.WriteLine("<tr style=\"background-color: #e4ecf7; text-align: center; font-weight: bold\">");
                 sw.WriteLine(tableHeader);
                 sw.WriteLine("</tr>");
                 sw.WriteLine(tableContent);
                 sw.WriteLine("</table>");
                 sw.WriteLine("</body>");
                 sw.WriteLine("</html>");
                 sw.Close();
                 Response.Clear();
                 Response.Buffer = true;
                 Response.Charset = "UTF-8";
                 //Response.Charset = "GB2312";
                 //this.EnableViewState = false;
                 Response.AddHeader("Content-Disposition", "attachment; filename=" + fileName + ".xls");
                 Response.ContentType = "application/ms-excel";
                 Response.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8");
                 Response.Write(sw);
                 Response.End();
             }
         }