Java实现网页转Word、Excel

public void OutPutDocumnet(string type)
        {
            //定义文档类型、字符编码
            Response.Clear();
            Response.Buffer = true;
            Response.Charset = "GB2312";
            string filename=lbsn.Text+"订单.doc";
            string fname = HttpUtility.UrlEncode(filename);
            //下面这行很重要， attachment 参数表示作为附件下载，您可以改成 online在线打开
            //filename=FileFlow.xls 指定输出文件的名称，注意其扩展名和指定文件类型相符，可以为：.doc 　　 .xls 　　 .txt 　　.htm
            if (type == "word")
                Response.AppendHeader("Content-Disposition", "attachment;filename="+fname);
            else if (type == "excel")
                Response.AppendHeader("Content-Disposition", "attachment;filename="+fname);
            Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
            //Response.ContentType指定文件类型 可以为application/ms-excel、application/ms-word、application/ms-txt、application/ms-html 或其他浏览器可直接支持文档
           if(type=="word")
            Response.ContentType = "application/ms-word";
            else if(type=="excel")
            Response.ContentType = "application/ms-excel";
            this.EnableViewState = false;
            
            //　定义一个输入流
            System.IO.StringWriter oStringWriter = new System.IO.StringWriter();
            System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);

            this.Panel1.RenderControl(oHtmlTextWriter);
            //this 表示输出本页，你也可以绑定datagrid,或其他支持obj.RenderControl()属性的控件
            Response.Write(oStringWriter.ToString());
            Response.End();