// ����Excel
public String ExcelInto() throws Exception {
String directory = "/file";
String targetDirectory = ServletActionContext.getServletContext().getRealPath(directory);
File target = UploadFile.Upload(uploadFile, uploadFileFileName, targetDirectory);
List<Dise> sList = new ArrayList<Dise>();
excelFile = new FileInputStream(target);
Workbook wb = new HSSFWorkbook(excelFile);
Sheet sheet = wb.getSheetAt(0);
int rowNum = sheet.getLastRowNum() + 1;
for (int i = 1; i < rowNum; i++) {
Dise dise = new Dise();
Row row = sheet.getRow(i);
int cellNum = row.getLastCellNum();
for (int j = 0; j < cellNum; j++) {
Cell cell = row.getCell(j);
String cellValue = null;
switch (cell.getCellType()) { // �ж�excel��Ԫ�����ݵĸ�ʽ�����������ת�����Ա������ݿ�
case 0:
cellValue = String.valueOf((int) cell.getNumericCellValue());
break;
case 1:
cellValue = cell.getStringCellValue();
break;
case 2:
cellValue = String.valueOf((int) cell.getNumericCellValue());
break;
case 3:
cellValue = cell.getStringCellValue();
break;
case 4:
cellValue = cell.getStringCellValue();
break;
}
switch (j) { // ͨ���������ж϶�Ӧ������ֶ�
case 1:
dise.setName(cellValue);
break;
case 2:
dise.setA(cellValue);
break;
case 3:
dise.setB(cellValue);
break;
case 4:
dise.setC(cellValue);
break;
}
}
sList.add(dise);
}
DiseService.add(sList);
return "listAll";
}
// ����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";
}