File reportDirectory = new File (...);

reportDirectory是目录...

File[] files = reportDirectory.listFiles(new FilenameFilter() {

            public boolean accept(File dir, String name) {

                return name.startsWith("OFFICE_PERMISSION_REPORT_"+folder.getOfficeName()+"_")

                        && name.endsWith(".xls");

            }

        });

        Arrays.sort(files);

        ArrayList<File> fileList = new ArrayList<File>();

        fileList.addAll(Arrays.asList(files));

        Collections.reverse(fileList);

        ModelAndView result = new ModelAndView("PermissionReportList").addObject(ServletData.MODELANDVIEW_OBJECT,fileList).addObject("officeName", folder.getOfficeName());

        return result;