C# .net 导出

 /// <summary>
        /// 导出
        /// </summary>
        /// <returns></returns>
        /// 
        public void ExportData()
        {
            string strTotal = "";
            string title = "";
            string meta = "<meta http-equiv=\"content-type\" content=\"application/ms-excel; charset=UTF-8\"/>";
            StringBuilder builder = new StringBuilder();
            builder.Append(meta);
            builder.Append("<table border=\"1\" style=\"font-size:12px; line-height:30px; \">");
            builder.Append("<tr><td colspan='5' style=\"text-align:center;height:30px;font-weight:bolder; font-size:16px;\"> ");
            builder.Append(title + "(" + DateTime.Now.ToString("yyyy-MM-dd") + ")");
            builder.Append("</td></tr>");
            builder.Append("<tr>");
            //builder.AppendFormat("<td style='text-align:center;height:30px; 50px'>ID</td>");
            //builder.AppendFormat("<td style='text-align:center;height:30px; 100px'题</td>");
            //builder.AppendFormat("<td style='text-align:center;height:30px; 100px'>动ID</td>");
            builder.AppendFormat("<td style='text-align:center;height:30px; 150px'>名称</td>");
            //builder.AppendFormat("<td style='text-align:center;height:30px; 100px'>名人ID</td>");
            builder.AppendFormat("<td style='text-align:center;height:30px; 150px'人姓名</td>");
            builder.AppendFormat("<td style='text-align:center;height:30px; 100px'>部</td>");
            builder.AppendFormat("<td style='text-align:center;height:30px; 150px'>联方式</td>");
            builder.AppendFormat("<td style='text-align:center;height:30px; 150px'>他</td>");
            builder.Append("</tr>");
            builder.Append(strTotal);
            builder.Append("</table>");
            System.Web.HttpContext.Current.Response.Clear();
            HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(title + "" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".xls", Encoding.UTF8));
            HttpContext.Current.Response.Charset = "UTF-8";
            HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.Default;
            HttpContext.Current.Response.ContentType = "application/ms-excel";
            HttpContext.Current.Response.Write("<meta http-equiv=Content-Type content=text/html;charset=gb2312>");
            // 把文件流发送到客户端  
            System.Web.HttpContext.Current.Response.Write(builder.ToString());
            // 停止页面的执行   
            System.Web.HttpContext.Current.Response.End();
        }