IOS下计算日期时间间隔:
- //创建日期格式化对象
- NSDateFormatter *dateFormatter=[[NSDateFormatter alloc] init];
- [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm"];
- //创建了两个日期对象
- NSDate *date1=[dateFormatter dateFromString:@"2010-3-3 11:00"];
- NSDate *date2=[dateFormatter dateFromString:@"2010-3-4 12:00"];
- //NSDate *date=[NSDate date];
- //NSString *curdate=[dateFormatter stringFromDate:date];
- //取两个日期对象的时间间隔:
- //这里的NSTimeInterval 并不是对象,是基本型,其实是double类型,是由c定义的:typedef double NSTimeInterval;
- NSTimeInterval time=[date2 timeIntervalSinceDate:date1];
- int days=((int)time)/(3600*24);
- int hours=((int)time)%(3600*24)/3600;
- NSString *dateContent=[[NSString alloc] initWithFormat:@"%i天%i小时",days,hours];
来源: http://www.phpxs.com/code/1005719/