時間戳轉換

  /**
     * 根據毫秒時間戳來格式化字串
     * 今天顯示今天、昨天顯示昨天、前天顯示前天.
     * 早於前天的顯示具體年-月-日，如2017-06-12；
     * @param timeStamp 毫秒值
     * @return 今天 昨天 前天 或者 yyyy-MM-dd HH:mm:ss型別字串
     */
    public static String format(long timeStamp) {
        long curTimeMillis = System.currentTimeMillis();
        Date curDate = new
 
 Date(curTimeMillis);
        int todayHoursSeconds = curDate.getHours() * 60 * 60;
        int todayMinutesSeconds = curDate.getMinutes() * 60;
        int todaySeconds = curDate.getSeconds();
        int todayMillis = (todayHoursSeconds + todayMinutesSeconds + todaySeconds) * 1000;
        long todayStartMillis = curTimeMillis - todayMillis;
                if
 
(timeStamp >= todayStartMillis) {
                    return "今天";
            }
        int oneDayMillis = 24 * 60 * 60 * 1000;
        long yesterdayStartMilis = todayStartMillis - oneDayMillis;
                if(timeStamp >= yesterdayStartMilis) {
                    return "昨天";
            }
        long
 
 yesterdayBeforeStartMilis = yesterdayStartMilis - oneDayMillis;
                if(timeStamp >= yesterdayBeforeStartMilis) {
                    return "前天";
            }
//        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        return  sdf.format(new Date(timeStamp));
    }

//——————————分割線—————————————————–

 /**
   * 根據時間戳來判斷當前的時間是幾天前,幾分鐘,剛剛
   * @param long_time
     * @return
     */
  public static String getTimeStateNew(String long_time){
    String long_by_13="1000000000000";
    String long_by_10="1000000000";
    if(Long.valueOf(long_time)/Long.valueOf(long_by_13)<1){
      if(Long.valueOf(long_time)/Long.valueOf(long_by_10)>=1){
        long_time=long_time+"000";
      }
    }
    Timestamp time=new Timestamp(Long.valueOf(long_time));
    Timestamp now=new Timestamp(System.currentTimeMillis());
    SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
//    System.out.println("傳遞過來的時間:"+format.format(time));
//    System.out.println("現在的時間:"+format.format(now));
    long day_conver=1000*60*60*24;
    long hour_conver=1000*60*60;
    long min_conver=1000*60;
    long time_conver=now.getTime()-time.getTime();
    long temp_conver;
//    System.out.println("天數:"+time_conver/day_conver);
    if((time_conver/day_conver)<3){
      temp_conver=time_conver/day_conver;
      if(temp_conver<=2 && temp_conver>=1){
        return temp_conver+"天前";
      }else{
        temp_conver=(time_conver/hour_conver);
        if(temp_conver>=1){
          return temp_conver+"小時前";
        }else {
          temp_conver=(time_conver/min_conver);
          if(temp_conver>=1){
            return temp_conver+"分鐘前";
          }else{
            return "剛剛";
          }
        }
      }
    }else{
      return format.format(time);
    }
  }