// ����Excel
public String ExcelExport() throws Exception {
HttpServletRequest request = ServletActionContext.getRequest();
String ids = request.getParameter("ids");
List<Dise> list = new ArrayList<Dise>();
String[] array = ids.split(",");
int[] id = new int[array.length];
for (int i = 0; i < id.length; i++) {
Dise dise = DiseService.findById(Integer.valueOf(array[i]));
list.add(dise);
}
Workbook workbook = new HSSFWorkbook();
Sheet sheet = workbook.createSheet("ѧ����Ϣ");
Row row = sheet.createRow(0);
row.createCell(0).setCellValue("ѧ��");
row.createCell(1).setCellValue("����");
row.createCell(2).setCellValue("����");
row.createCell(3).setCellValue("�Ա�");
row.createCell(4).setCellValue("��ַ");
CellStyle cellStyle = workbook.createCellStyle();
cellStyle.setDataFormat(HSSFDataFormat.getBuiltinFormat("m/d/yy"));
for (int i = 1; i <= list.size(); i++) {
Dise stu = list.get(i - 1);
row = sheet.createRow(i);
row.createCell(0).setCellValue(stu.getIds());
row.createCell(1).setCellValue(stu.getName());
row.createCell(2).setCellValue(stu.getA());
row.createCell(3).setCellValue(stu.getB());
row.createCell(4).setCellValue(stu.getC());
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
workbook.write(baos);
excelFile = new ByteArrayInputStream(baos.toByteArray());
baos.close();
return "excel";
}