jasperreports 生成html


 public void doPost(HttpServletRequest request, HttpServletResponse response)     
             throws ServletException, IOException {     
         try{
          GetAndPostExample sqlConn = new GetAndPostExample();
          String path = "D:\\bems\\workspace\\flex_html\\src\\jspreport\\flexhtml.jasper";
          File reportFile1 = new File(path);
            JasperReport jasperReport = (JasperReport) JRLoader
                    .loadObject(reportFile1.getPath());
            System.out.println(reportFile1.getPath());
            if (!reportFile1.exists())
          throw new JRRuntimeException("没找到合同模板路径");

           Connection conn= sqlConn.getConnection();
           JasperPrint jasperPrint = JasperFillManager.fillReport(
                     jasperReport, null, conn);
           JRHtmlExporter exporter = new JRHtmlExporter();
           response.setCharacterEncoding("GBK");   //处理中文乱码
           PrintWriter writer=response.getWriter();
           exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
           exporter.setParameter(JRExporterParameter.OUTPUT_WRITER,writer );
           exporter.setParameter(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN, Boolean.FALSE);
           exporter.setParameter(JRExporterParameter.CHARACTER_ENCODING, "GBK");  //处理中文乱码
           exporter.exportReport();
           writer.flush();    
           conn.close();
         }catch (SQLException e1) { 
         e1.printStackTrace(); }
          catch (JRException e) {
         // TODO Auto-generated catch block
         e.printStackTrace();
        }
      }