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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