学步园

//随机修改更新时间
    public static String getTime(Date date){
        Calendar cal = Calendar.getInstance();
        cal.add(Calendar.MINUTE,-days());
        SimpleDateFormat time = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        return time.format(cal.getTime());
    }

 /**
     * 计算还有多少时间过期
     * @param time1
     * @param time2
     * @return
     */
    public static int getTimeLong(Date date){
        SimpleDateFormat simpleDate = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String time1 = simpleDate.format(new Date());
        int result = 7;
           try 
           {  
               int source = (int) 86400D; //total sconds for one day.  
               int value = (int) ((simpleDate.parse(time1).getTime() - date.getTime())/1000L);
              
               result = (value / source);
              
               if(VALID_TIME-result>0){
                result =VALID_TIME-result;
               }
           }  
           catch (Exception e){} 
        return result;
    }