數據類轉換、格式化(webService)

Object object =retrunList.get(i).get("DMBTR");
BigDecimal loanAmount = new BigDecimal(String.valueOf(object));

//webservice 當前日期格式化YYYYMMDD  XMLGregorianCalendar類型
try {
					
		SimpleDateFormat simpleDateFormat =new SimpleDateFormat("yyyyMMdd");
		String gzdate = simpleDateFormat.format(new Date());
		GregorianCalendar gcal =new GregorianCalendar();
		Date date=simpleDateFormat.parse(gzdate);
		String dateTimeString=simpleDateFormat.format(date);
		gcal.setTime(date);
		XMLGregorianCalendar xgcal;
		xgcal = DatatypeFactory.newInstance().newXMLGregorianCalendar(gcal);
		serData.setBUDAT(xgcal);//過賬日期	


} catch (Exception e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
}