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

try {
                if (StringUtils.isNotEmpty(startTime) && StringUtils.isNotEmpty(endTime)) {
                    predicates.add(cb.between(root.get(“time”),
                            sdfmat.parse(sdfmat.format(sdf.parse(startTime).getTime())),
                            sdfmat.parse(sdfmat.format(sdf.parse(endTime).getTime() + 86400000))));
                }
            } catch (Exception e) {
            }