/**     * 将时间戳转为代表"距现在多久之前"的字符串     * @param timeStr    时间戳     * @return     */    public static String getStandardDate(String timeStr) {        StringBuffer sb = new StringBuffer();        long t = Long.parseLong(timeStr);        long time = System.currentTimeMillis() - (t*1000);        long mill = (long) Math.ceil(time /1000);//秒前        long minute = (long) Math.ceil(time/60/1000.0f);// 分钟前        long hour = (long) Math.ceil(time/60/60/1000.0f);// 小时        long day = (long) Math.ceil(time/24/60/60/1000.0f);// 天前        if (day - 1 > 0) {            sb.append(day + "天");        } else if (hour - 1 > 0) {            if (hour >= 24) {                sb.append("1天");            } else {                sb.append(hour + "小时");            }        } else if (minute - 1 > 0) {            if (minute == 60) {                sb.append("1小时");            } else {                sb.append(minute + "分钟");            }        } else if (mill - 1 > 0) {            if (mill == 60) {                sb.append("1分钟");            } else {                sb.append(mill + "秒");            }        } else {            sb.append("刚刚");        }        if (!sb.toString().equals("刚刚")) {            sb.append("前");        }        return sb.toString();    }