判断两个日期之间的间隔代码,ObjC代码库,德仔网

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【ObjC】判断两个日期之间的间隔

作者:英娴 / 发布于2014/11/15/ 471

两个时间段，判断之间的相差，做一些时间范围限制使用。选项有，年，月，日，小时等具体看API


	NSDateFormatter * dateFormatter = [[NSDateFormatter alloc] init];
	[dateFormatter setDateFormat:@"yyyyMMddHHmmss"];
	NSDate* toDate = [dateFormatter dateFromString:@"19700608142033"];
	NSDate* startDate = [ [ NSDate alloc] init ];
	NSCalendar* chineseClendar = [ [ NSCalendar alloc ] initWithCalendarIdentifier:NSGregorianCalendar ];
	NSUInteger unitFlags = NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit | NSDayCalendarUnit | NSMonthCalendarUnit | NSYearCalendarUnit;
	
	NSDateComponents *cps = [ chineseClendar components:unitFlags fromDate:startDate toDate:toDate options:0];
	
	NSInteger diffYear = [cps year];
	NSInteger diffMon = [cps month];
	NSInteger diffDay = [cps day];
	NSInteger diffHour = [cps hour];
	NSInteger diffMin = [cps minute];
	NSInteger diffSec = [cps second];
	
	NSLog(@" From Now to %@, diff: Years: %d Months: %d, Days; %d, Hours: %d, Mins:%d, sec:%d", [toDate description], diffYear, diffMon, diffDay, diffHour, diffMin,diffSec );

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　日期间隔　

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