IOS on large scale website shopping from the end of the event the remaining time countdown code

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The key code is as follows:

/**
*  The countdown 
*
* @param endTime  The timestamp of the cut-off 
*
* @return  Return the remaining time 
*/
- (NSString*)remainingTimeMethodAction:(long long)endTime
{
// Get the current time 
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:0];
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:@" And then there were : %zi day  %zi hours  %zi minutes  %zi seconds  ", Day,Hour, Min, Sec];
if (Sec<0) {
countdown=[NSString stringWithFormat:@" End of the activity / Start to snap up "];
}
return countdown;
}

The above code is IOS on the large-scale website shopping, from the end of the event, the remaining time countdown implementation code, code is relatively simple, we add and modify the appropriate according to the needs of the code, if found any questions during the reference process welcome to leave a message, this site will reply to you in a timely manner!