public ActionForward doExpJdstudent(Action action,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        System.out.println("success to upload action===================== ");
        ActionForward forward = null;
        try {
            String path = "I:/workspace/diwebdemo/web/report/student.xls";
            //InputStream is = new BufferedInputStream(new FileInputStream(path));
            InputStream is = new FileInputStream(new File("I:/workspace/diwebdemo/web/report/student.xls"));
            List<Jdstudent> jsList = new ArrayList<Jdstudent>();
            JdstudentService jdstudentService = new JdstudentService();
            jsList = jdstudentService.getAllJdstudentList();
            Map beans = new HashMap();
            beans.put("students", jsList);
            XLSTransformer transformer = new XLSTransformer();
            Workbook wb = transformer.transformXLS(
                    is, beans); 
            //response.setCharacterEncoding("UTF-8");
            response.setHeader("Content-disposition", "inline; filename="
                    + "学员.xls");
            response.setContentType("application/vnd.ms-excel");
            OutputStream os = response.getOutputStream();
            wb.write(os);
            os.flush();
            is.close();

            forward = action.findForward(Viewconst.CONST_SUCCESS);
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println(e.getMessage());
            log.error(e.getCause());
            forward = action.findForward(Viewconst.CONST_FAILURE);
        }
        return forward;
    }

java.lang.NoSuchMethodError: org.apache.poi.hssf.usermodel.HSSFSheet.removeRow(Lorg/apache/poi/hssf/usermodel/HSSFRow;)V
    at net.sf.jxls.util.TagBodyHelper.removeBorders(TagBodyHelper.java:139)
    at net.sf.jxls.controller.SheetTransformationControllerImpl.removeBorders(SheetTransformationControllerImpl.java:85)
    at net.sf.jxls.tag.ForEachTag.process(ForEachTag.java:157)
    at net.sf.jxls.transformer.TagRowTransformer.transform(TagRowTransformer.java:36)
    at net.sf.jxls.transformer.SheetTransformer.transformSheet(SheetTransformer.java:90)
    at net.sf.jxls.transformer.XLSTransformer.transformWorkbook(XLSTransformer.java:243)
    at net.sf.jxls.transformer.XLSTransformer.transformXLS(XLSTransformer.java:222)
    at view.xlsexport.JdStudentXls.doExpJdstudent(JdStudentXls.java:93)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:585)