Time Java

/**
 * 根据日期统计一天的会议
 * @param siteId
 * @param startTime
 * @return
 */
public int countMeetingInSiteByDate(String siteId, Date startTime)
{
    long endTimeMillis = startTime.getTime() + 1000 * 60 * 60 * 24;
    Date endTime = new Date(endTimeMillis);

    Map paramMap = new HashMap(4);
    paramMap.put("siteId", siteId);
    paramMap.put("startTime", startTime);
    paramMap.put("endTime", endTime);

    StringBuffer sql = new StringBuffer(
            "where qmIsDelete=0 and qmSiteId=:siteId and qmMeetingTime>=:startTime and qmMeetingTime<:endTime");
    return countBySql(sql.toString(), paramMap);

}