我尝试将类似"898.171813964844“的值转换为00:17:02 (hh:mm:ss)。
在objective c中如何做到这一点呢?
感谢您的帮助!
发布于 2009-08-12 17:32:42
最终解决方案:
NSNumber *time = [NSNumber numberWithDouble:([online_time doubleValue] - 3600)];
NSTimeInterval interval = [time doubleValue];
NSDate *online = [NSDate date];
online = [NSDate dateWithTimeIntervalSince1970:interval];
NSDateFormatter *dateFormatter = [[[NSDateFormatter alloc] init] autorelease];
[dateFormatter setDateFormat:@"HH:mm:ss"];
NSLog(@"result: %@", [dateFormatter stringFromDate:online]);
发布于 2009-08-11 11:25:34
假设您只对小时、分钟和秒感兴趣,并且输入值小于或等于86400,您可以这样做:
NSNumber *theDouble = [NSNumber numberWithDouble:898.171813964844];
int inputSeconds = [theDouble intValue];
int hours = inputSeconds / 3600;
int minutes = ( inputSeconds - hours * 3600 ) / 60;
int seconds = inputSeconds - hours * 3600 - minutes * 60;
NSString *theTime = [NSString stringWithFormat:@"%.2d:%.2d:%.2d", hours, minutes, seconds];
https://stackoverflow.com/questions/1259028
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