@SuppressWarnings("deprecation")    @Override    public InputStream exportItemProjectExcel(List
     
       ITEM_PROJECT_ID_LIST) throws Exception {        FileInputStream inputStream = new FileInputStream(new File(this.getClass().getResource("/../../resource/分项工程.xlsx").getFile()));        Workbook workbook = WorkbookFactory.create(inputStream);        Sheet sheet = workbook.getSheetAt(0);// 读取第-页        Row row;        for (int i = 0; i < ITEM_PROJECT_ID_LIST.size(); i++) {            row = sheet.createRow(i);            row.createCell(0).setCellValue((String) ITEM_PROJECT_ID_LIST.get(i));        }        ByteArrayOutputStream baos = new ByteArrayOutputStream();        workbook.write(baos);// 临时存储流到内存        baos.flush();        ByteArrayInputStream workbookInput = new ByteArrayInputStream(baos.toByteArray());        // 创建POIFS文件系统 加密文件        POIFSFileSystem fs = new POIFSFileSystem();        EncryptionInfo info = new EncryptionInfo(fs, EncryptionMode.agile);        Encryptor enc = info.getEncryptor();        enc.confirmPassword("itemProject");        // 然后把字节输入到输入流，然后输入到OPC包里面        OPCPackage opc = OPCPackage.open(workbookInput);        OutputStream os = enc.getDataStream(fs);        opc.save(os);        opc.close();        baos = new ByteArrayOutputStream();        fs.writeFilesystem(baos);        baos.flush();        inputStream.close();        workbook.close();        baos.close();        return new ByteArrayInputStream(baos.toByteArray());    }