iReport3.0+MyEclipse8.5生成PDF文件

publicclass ReportActionextends DispatchAction{

    private User2Serviceuser2Service;

    publicvoid setUser2Service(User2Service user2Service) {

       this.user2Service = user2Service;

    }

  public ActionForward topdf(ActionMapping mapping, ActionForm form,

 HttpServletRequest request, HttpServletResponse response)

       throws IOException,JRException{

 //集合 数据源

 List<User2> list =user2Service.getAllUser2();

 JRBeanCollectionDataSource dataSource = new JRBeanCollectionDataSource(list);

     //转真实路径

 InputStream in = this.getClass().getResourceAsStream("/edu/report/firstReport.jasper");

 //填充

 /**

 * JasperFillManager.fillreport(InputStream inputStream,Map parameters,JRDataSource dataSource)

 **/

  JasperPrint print = JasperFillManager.fillReport(in,null, dataSource);

  //导出

  byte[] data = JasperExportManager.exportReportToPdf(print);

  //输出格式为pdf

  response.setContentType("application/pdf");

  //弹出下载框

  response.setHeader("Content-Disposition","attachment;filename=user2.pdf");

  //输出

  response.getOutputStream().write(data);

  return null;

}

}