/**

 *  倒计时

 *

 *  @param endTime 截止的时间戳

 *

 *  @return 返回的剩余时间

 */

- (NSString*)remainingTimeMethodAction:(long long)endTime

{

    //得到当前时间

    NSDate *nowData = [NSDate date];

    NSDate *endData=[NSDate dateWithTimeIntervalSince1970:endTime];

    NSCalendar* chineseClendar = [ [ NSCalendar alloc ] initWithCalendarIdentifier:NSGregorianCalendar ];

    NSUInteger unitFlags =

    NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit | NSDayCalendarUnit | NSMonthCalendarUnit | NSYearCalendarUnit;

    NSDateComponents *cps = [chineseClendar components:unitFlags fromDate:nowData  toDate: endData options:];

    NSInteger Hour  = [cps hour];

    NSInteger Min   = [cps minute];

    NSInteger Sec   = [cps second];

    NSInteger Day   = [cps day];

    NSInteger Mon   = [cps month];

    NSInteger Year  = [cps year];

        NSLog(  @" From Now to %@, diff: Years: %d  Months: %d, Days; %d, Hours: %d, Mins:%d, sec:%d",

              [nowData description], Year, Mon, Day, Hour, Min,Sec );

    NSString *countdown = [NSString stringWithFormat:@"还剩: %zi天 %zi小时 %zi分钟 %zi秒   ", Day,Hour, Min, Sec];

    if (Sec<) {

        countdown=[NSString stringWithFormat:@"活动结束/开始抢购"];

    }

    return countdown;

}