SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

String startTimeStr="1483203661";

String endTimeStr="1496700366";

Long starTimesStamp = new Long(Integer.parseInt(startTimeStr));
Long endTimesStamp = new Long(Integer.parseInt(endTimeStr));
Date star = new Date(starTimesStamp*1000);
Date end = new 
 
Date(endTimesStamp*1000);
Pager pager = new Pager();
pager.getQuery().put("startTime",sdf.format(star));
pager.getQuery().put("endTime", sdf.format(end));

List<OrderInfo> orderInfoList = orderWebService.findOrderInfoByPager(pager).getData();

public List<OrderInfo> findOrderInfoByPager(Pager pager) throws 
 
ParseException {
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
List<Criterion> criterionList = new ArrayList<Criterion>();
String startTime = (String) pager.getQuery().get("startTime");
String endTime = (String) pager.getQuery().get("endTime");
    if (StringUtils.isNotEmpty
 
(startTime)){
        Date start = sdf.parse(startTime);
criterionList.add(Restrictions.gt("updated", start));
}
    if (StringUtils.isNotEmpty(endTime)){
        Date end = sdf.parse(endTime);
criterionList.add(Restrictions.lt("updated", end));
}
    Criterion[] criterions = new Criterion[criterionList.size()];
criterionList.toArray(criterions);
List<OrderInfo> list = this.getDao().load(criterions);

    return list;
}