String endTime = DateUtils.getYYYYMMDDHHmmss(end);

        String startTime = DateUtils.getYYYYMMDDHHmmss(start);
        Cnd cnd = Cnd.where("aa","=",appid)
                .and("pid","=",pid)
                .and(Cnd.exps("ip", "=", ipw).or("ipw", "=", ipw))
                .and("createtime",">=",startTime)
                .and("createtime","<=",endTime);
        int count = dao.count(dd.class, cnd);

public static String getYYYYMMDDHHmmss(Date date){
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        return sdf.format(date);
    }

@wendal

对
@wendal

好的，我试试

还是不行，最后还是增加了个字段，记录当前时间的时间戳，来解决此问题