iOS 计算两个时间的时间差

- (NSString *)intervalFromLastDate: (NSString *) dateString1 toTheDate:(NSString *) dateString2

{

NSArray *timeArray1=[dateString1 componentsSeparatedByString:@"."];

dateString1=[timeArray1 objectAtIndex:0];

NSArray *timeArray2=[dateString2 componentsSeparatedByString:@"."];

dateString2=[timeArray2 objectAtIndex:0];

NSLog(@"%@.....%@",dateString1,dateString2);

NSDateFormatter *date=[[NSDateFormatter alloc] init];

[date setDateFormat:@"yyyy-MM-dd HH:mm:ss"];

NSDate *d1=[date dateFromString:dateString1];

NSTimeInterval late1=[d1 timeIntervalSince1970]*1;

NSDate *d2=[date dateFromString:dateString2];

NSTimeInterval late2=[d2 timeIntervalSince1970]*1;

NSTimeInterval cha=late2-late1;

NSString *timeString=@"";

NSString *house=@"";

NSString *min=@"";

NSString *sen=@"";

sen = [NSString stringWithFormat:@"%d", (int)cha%60];

// min = [min substringToIndex:min.length-7];

// 秒

sen=[NSString stringWithFormat:@"%@", sen];

min = [NSString stringWithFormat:@"%d", (int)cha/60%60];

// min = [min substringToIndex:min.length-7];

// 分

min=[NSString stringWithFormat:@"%@", min];

// 小时

house = [NSString stringWithFormat:@"%d", (int)cha/3600];

// house = [house substringToIndex:house.length-7];

house=[NSString stringWithFormat:@"%@", house];

timeString=[NSString stringWithFormat:@"%@:%@:%@",house,min,sen];

[date release];

return timeString;

}

复制代码

利用手机在上班工作之余，赚点小钱，只要有手机就能赚钱完全免费，轻松月入千元，赚的不多但可靠真实而且是免费的

直接上图看图说明一切，想玩的用手机扫描二维码即可，下面3个手机赚钱的方法完全免费

1、首次使用填邀请码 24905420 送4元红包，每天轻松赚20+，不会的我教你







2、下面这个是微信赚钱的，用微信扫码后关注就可以开始赚钱了，限苹果未越狱手机







一个时间距现在的时间

- (NSString *)intervalSinceNow: (NSString *) theDate

{

NSArray *timeArray=[theDate componentsSeparatedByString:@"."];

theDate=[timeArray objectAtIndex:0];

NSDateFormatter *date=[[NSDateFormatter alloc] init];

[date setDateFormat:@"yyyy-MM-dd HH:mm:ss"];

NSDate *d=[date dateFromString:theDate];

NSTimeInterval late=[d timeIntervalSince1970]*1;

NSDate* dat = [NSDate date];

NSTimeInterval now=[dat timeIntervalSince1970]*1;

NSString *timeString=@"";

NSTimeInterval cha=late-now;

if (cha/3600<1) {

timeString = [NSString stringWithFormat:@"%f", cha/60];

timeString = [timeString substringToIndex:timeString.length-7];

timeString=[NSString stringWithFormat:@"剩余%@分", timeString];

}

if (cha/3600>1&&cha/86400<1) {

timeString = [NSString stringWithFormat:@"%f", cha/3600];

timeString = [timeString substringToIndex:timeString.length-7];

timeString=[NSString stringWithFormat:@"剩余%@小时", timeString];

}

if (cha/86400>1)

{

timeString = [NSString stringWithFormat:@"%f", cha/86400];

timeString = [timeString substringToIndex:timeString.length-7];

timeString=[NSString stringWithFormat:@"剩余%@天", timeString];

}

[date release];

return timeString;

}

微信关注更多手机赚钱分享