@Test
	public void test() throws IOException, RowsExceededException, WriteException, InterruptedException{
		String url = "/Users/kimgyupyo/study/project/workspace/ResourceManager/src/test/java/data_write.xls";

		WritableWorkbook workbook = null;
		WritableSheet sheet = null;
		
		File execFile = new File(url);
		Label label = null;
		
		for(int i = 0; i<10;i++){
			workbook = Workbook.createWorkbook(execFile);
			workbook.createSheet("sheet1", 0);
			sheet = workbook.getSheet(0);
			
			for(int j = 0; j< 30;j++){
				label = new Label(j,0,"test finally");
				sheet.addCell(label);
			}
			workbook.write();
		}
		
		workbook.close();
	}