JAvaデータインポートノート

               ：

/**
	 *         
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public ActionForward importData(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		DynaActionForm dynaForm = (DynaActionForm) form;
		FormFile xlsFile = (FormFile) dynaForm.get("studentFile");
		InputStream is = xlsFile.getInputStream();
		HSSFWorkbook wb = new HSSFWorkbook(new POIFSFileSystem(is)); //   

		Importer importer = new DefaultEntityImporter(Student.class);
		//Importer importer = new CJBStudentEntityImporter(Student.class);
		importer.setReader(new ExcelItemReader(wb, 1));
		if (null == importer) {
			return forward(request, "/pages/components/importData/error");
		}
		TransferResult tr = new TransferResult();
		importer.addListener(new ImporterForeignerListener(utilService))
				.addListener(new StdImportListener(utilService.getUtilDao()));
		importer.transfer(tr);
		request.setAttribute("importer", importer);
		request.setAttribute("importResult", tr);
		return forward(request, "/pages/components/importData/result");
	}