前段时间正好做了,导入和导出的,你自己看吧  /**导出数据为XLS格式   * @param fos   * @param bo   */  public void writeExcelBo(FileOutputStream fos, java.util.Vector ve)  {   jxl.write.WritableWorkbook wwb;   try   {    wwb= Workbook.createWorkbook(fos);    jxl.write.WritableSheet ws= wwb.createSheet("booksheet", 10);    ws.addCell(new jxl.write.Label(0, 1, "书目ID"));    ws.addCell(new jxl.write.Label(1, 1, "ISBN"));    ws.addCell(new jxl.write.Label(2, 1, "定价"));    ws.addCell(new jxl.write.Label(3, 1, "书名"));    ws.addCell(new jxl.write.Label(4, 1, "原书名"));    ws.addCell(new jxl.write.Label(5, 1, "副题名"));    ws.addCell(new jxl.write.Label(6, 1, "著者"));    ws.addCell(new jxl.write.Label(7, 1, "译者"));    ws.addCell(new jxl.write.Label(8, 1, "版次"));    ws.addCell(new jxl.write.Label(9, 1, "出版地"));    ws.addCell(new jxl.write.Label(10, 1, "出版社"));    ws.addCell(new jxl.write.Label(11, 1, "出版日期"));    ws.addCell(new jxl.write.Label(12, 1, "页数"));    ws.addCell(new jxl.write.Label(13, 1, "书高"));    ws.addCell(new jxl.write.Label(14, 1, "装帧"));    ws.addCell(new jxl.write.Label(15, 1, "丛书名"));    ws.addCell(new jxl.write.Label(16, 1, "一般性附注项"));    ws.addCell(new jxl.write.Label(17, 1, "简介"));    ws.addCell(new jxl.write.Label(18, 1, "主题词"));    ws.addCell(new jxl.write.Label(19, 1, "中图法分类"));    ws.addCell(new jxl.write.Label(20, 1, "更新日期"));    ws.addCell(new jxl.write.Label(21, 1, "本数"));    book=new Book[ve.size()];    for (int i= 0; i < ve.size(); i++)    {     book[i]= (Book)ve.get(i);     ws.addCell(new jxl.write.Label(0, i + 2, "" + book[i].getBookId()));     ws.addCell(new jxl.write.Label(1, i + 2, book[i].getIsbn()));     ws.addCell(new jxl.write.Label(2, i + 2, "" + book[i].getPrice()));     ws.addCell(new jxl.write.Label(3, i + 2, book[i].getBookTitle()));     ws.addCell(new jxl.write.Label(4, i + 2, book[i].getOldFilename()));     ws.addCell(new jxl.write.Label(5, i + 2, book[i].getSubTitle()));     ws.addCell(new jxl.write.Label(6, i + 2, book[i].getWriter()));     ws.addCell(new jxl.write.Label(7, i + 2, book[i].getTranscribe()));     ws.addCell(new jxl.write.Label(8, i + 2, "" + book[i].getVersion()));     ws.addCell(new jxl.write.Label(9, i + 2, book[i].getPublishCity()));     ws.addCell(new jxl.write.Label(10, i + 2, book[i].getPublisher()));     ws.addCell(new jxl.write.Label(11, i + 2, book[i].getPublishDate().toString()));     ws.addCell(new jxl.write.Label(12, i + 2, "" + book[i].getPage()));     ws.addCell(new jxl.write.Label(13, i + 2, "" + book[i].getHight()));     ws.addCell(new jxl.write.Label(14, i + 2, book[i].getInstall()));     ws.addCell(new jxl.write.Label(15, i + 2, book[i].getSeries()));     ws.addCell(new jxl.write.Label(16, i + 2, book[i].getNotes()));     ws.addCell(new jxl.write.Label(17, i + 2, book[i].getPrecisnotes()));     ws.addCell(new jxl.write.Label(18, i + 2, book[i].getSubject()));     ws.addCell(new jxl.write.Label(19, i + 2, book[i].getCls().replaceAll("_", "")));     ws.addCell(new jxl.write.Label(20, i + 2, book[i].getUpdatedate().toString()));     ws.addCell(new jxl.write.Label(21, i + 2, "0"));    }    jxl.write.WritableFont wfc=     new jxl.write.WritableFont(      WritableFont.ARIAL,      255,      WritableFont.BOLD,      false,      UnderlineStyle.NO_UNDERLINE,      jxl.format.Colour.BLACK);    jxl.write.WritableCellFormat wcfFC= new jxl.write.WritableCellFormat(wfc);    ws.addCell(new jxl.write.Label(0, 0, "为保证您提交定单的稳定和正确,导入定单时候请勿更改此表格式(请勿更改书目ID,订购本数自行添加!)"));    wwb.write();    //关闭Excel工作薄对象    wwb.close();   } catch (IOException e)   {} catch (RowsExceededException e)   {} catch (WriteException e)   {}  } 
    //导入EXCEL    if (f.getName().indexOf(".xls") > 0)    {     try     {      fis= new FileInputStream(f);      BookBean bob= new BookBean();      UserBean usb= new UserBean();      jxl.Workbook rwb= Workbook.getWorkbook(fis);      jxl.Sheet sh= rwb.getSheet(0);      int rowCount= sh.getRows();      SimpleDateFormat sdf= new SimpleDateFormat("dd/MM/yyyy");      book= new Book[rowCount - 1];      for (int i= 1; i < rowCount; i++)      {       book[i - 1]= new Book();       jxl.Cell[] ce= sh.getRow(i);       book[i - 1].setIsbn(ce[0].getContents().toString());       book[i - 1].setSeries(ce[1].getContents().toString());       book[i - 1].setBookTitle(ce[2].getContents().toString());       book[i - 1].setWriter(ce[3].getContents().toString());       book[i - 1].setTranscribe(ce[4].getContents().toString());       book[i - 1].setPublisher(ce[5].getContents().toString());       book[i - 1].setPublishDate(sdf.parse(ce[6].getContents().toString(), new ParsePosition(0)));       book[i-1].setVersion(Integer.parseInt(ce[7].getContents().toString()));       book[i-1].setPage(Integer.parseInt(ce[8].getContents().toString()));       book[i-1].setCls(ce[9].getContents().toString());       book[i-1].setPrecisnotes(ce[10].getContents().toString());       book[i-1].setInstall(ce[11].getContents().toString());       book[i-1].setPrice(Float.parseFloat(ce[12].getContents().toString()));       book[i-1].setUserid(usb.getUser().getUserid());       getVector().addElement(book[i - 1]);      }      rwb.close();      fis.close();     } catch (FileNotFoundException e)     {} catch (BiffException e)     {} catch (IOException e)     {} catch (NumberFormatException e)     {      ShowMessage("数据导入失败,请按照本软件要求的EXCEL格式导入定单");     }    }
 
  
 
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