time": "6456546455435",到1970年的时间 [NSDate dateWithTimeIntervalSince1970:6456546455435 / 1000.0]; 3.NSCalendar...NSCalendarUnitDay fromDate:createDate]; NSLog(@"%zd %zd %zd", year, month, day); ②获得多个元素 // 创建日期类--获取当前时分秒 NSCalendar...*calendar = [NSCalendar currentCalendar]; NSDateComponents *cmp = [calendar components:NSCalendarUnitSecond...NSInteger min = cmp.minute; //获得当前小时 NSInteger hour = cmp.hour; ③获得2个日期(NSDate)之间的时间间隔 NSCalendar...*calendar = [NSCalendar currentCalendar]; NSCalendarUnit unit = NSCalendarUnitYear | NSCalendarUnitMonth
对象的1个或多个部分,用NSDateComponents来封装 NSCalendar *calendar = [NSCalendar currentCalendar]; NSDate *date =...*calendar; NSCalendar *calendar2; - (IBAction)doTest:(id)sender { calendar = [NSCalendar currentCalendar...常用对象方法与类方法: 1. - (void)setLocale:(NSLocale *)locale 设置本地化信息 NSCalendar *calendar = [[NSCalendar...默认值是1 如图所示,如果从星期天开始,日历的表现形式: 如果从星期二开始,日历的表现形式: NSCalendar *calendar = [NSCalendar currentCalendar...NSCalendar *calendar = [NSCalendar currentCalendar]; NSDate *date = [NSDate dateWithTimeIntervalSinceReferenceDate
implementation NSDate (YHBaseCalendar) -(NSUInteger)YHBaseNumberOfDaysInCurrentMonth{ return [[NSCalendar...length; } - (NSDate *)YHBaseFirstDayOfCurrentMonth { NSDate *startDate = nil; BOOL ok = [[NSCalendar...day of the month based on %@", self); return startDate; } -(int)YHBaseWeekly{ return (int)[[NSCalendar...ordinalityOfUnit:NSDayCalendarUnit inUnit:NSWeekCalendarUnit forDate:self]; } -(int)getYear{ NSCalendar... *calendar = [NSCalendar currentCalendar]; NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit
)dateWithYearsBeforeNow:(NSInteger)year{ NSDate *currentDate = currentDate = [NSDate date]; NSCalendar...*calendar = nil; if (IOS8Higher) { calendar = [NSCalendar calendarWithIdentifier:NSCalendarIdentifierGregorian...]; } else { calendar = [NSCalendar currentCalendar]; } NSDateComponents *dateComponents
NSDate *currentDate = [NSDate date]; NSCalendar* calendar = [NSCalendar currentCalendar]; NSDateComponents
iOS-Foundation-other.html 本文对Foundation框架中一些数字类(NSNumber)、常用结构体类(CGPoint、CGSize、CGRect、CGRange和NSValue)、日期类(NSDate、NSCalendar...日期类(NSDate、NSCalendar) 1....NSCalendar 结合NSCalendar和NSDate能做更多的日期\时间处理 获得NSCalendar对象NSCalendar *calendar = [NSCalendar currentCalendar...*calendar = [NSCalendar currentCalendar]; // 利用日历对象获取年月日时分秒,将需要获取的类型并入NSCalendarUnit中 NSCalendarUnit...*calendar = [NSCalendar currentCalendar]; NSCalendarUnit type = NSCalendarUnitYear | NSCalendarUnitMonth
在学习iOS App开发中遇到需要计算时间差并格式化输出的需求,没有现成的方法,需要结合NSCalendar和NSDateComponents来实现。...dateDiff 方法实现 */ +(NSDateComponents *) dateDiff:(NSDate *) fromDate toDate:(NSDate *) toDate { NSCalendar...*sysCalendar = [NSCalendar currentCalendar]; unsigned int unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit
static NSCalendar *calendar_ ; static NSDateFormatter *fmt_; //第一次使用CLTopic类时调用一次 +(void)initialize {...calendar_ = [NSCalendar calendar]; fmt_ = [[NSDateFormatter alloc]init]; } NScalendar的单例方法[NSCalendar...];方法,为了适配iOS8之前版本,我们为NScalendar添加分类,添加calendar类方法根据不同版本创建calendar +(instancetype)calendar { if ([...NSCalendar respondsToSelector:@selector(calendarWithIdentifier:)]) { return [NSCalendar calendarWithIdentifier...NSCalendar 用来做时间之间的比较。两个时间点的间隔为所有差值相加。 NSCalendarUnit 确定比较的内容,年,月,日等 NSDateComponents 获得比较的结果。
NSDateComponents alloc] init]; [_comps setDay:23]; [_comps setMonth:3]; [_comps setYear:2014]; NSCalendar...*gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar
我们使用 NSCalendar.currentCalendar().components来的到2个时间之间间隔的时间。该方法返回一个NSDateComponents类型的对象。...DayCalendarUnit | .HourCalendarUnit | .MinuteCalendarUnit | .SecondCalendarUnit let components = NSCalendar.currentCalendar...我们可以指定年月日来构造一个NSDateComponents,然后使用NSCalendar.dateFromComponents方法来构造一个时间。
得到年龄,这个很简单了: - (void)getAgeWith:(NSDate*)birthday{ //日历 NSCalendar *gregorian = [[NSCalendar
setDateFormat:@"yyyy-MM-dd HH:mm:ss"]; NSDate *oldDate = [dateFormatter dateFromString:date]; NSCalendar...*gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar]; unsigned int unitFlags
tomorrowDate = [[NSDate alloc]initWithTimeInterval:24 * 60 * 60 sinceDate:[NSDate date]]; //日历 NSCalendar...*calendar = [NSCalendar currentCalendar]; //comps里可以分离出时间年月日等信息 NSDateComponents *comps = [calendar
dateFormat = @"yyyy-MM-dd HH:mm:ss"; NSDate *createDate = [formatter_ dateFromString:date]; NSCalendar...*gregorian = [[ NSCalendar alloc ] initWithCalendarIdentifier : NSCalendarIdentifierGregorian];
self.startTime beginningOfDay] 2021-10-28 16:00:00 +0000 //获取一天的开始时间 - (NSDate *)beginningOfDay { NSCalendar...*calendar = [NSCalendar currentCalendar]; // Get the weekday component of the current date NSDateComponents...//获取一天的开始时间,同时消除夏令时时差 - (NSDate *)benginningOfDayWithDayLinght { NSCalendar *calendar = [NSCalendar
date timeIntervalSinceDate:tomorrow]; NSLog(@"secondsInterval= %lf",secondsInterval); //通过NSCalendar...NSDateComponentsalloc]init]; [comps setMonth:01]; [comps setDay:31]; [comps setYear:2013]; NSCalendar
通过NSCalendar类来创建日期 NSDateComponents *comp = [[NSDateComponentsalloc]init]; [comp setMonth:06...]; [comp setDay:01]; [comp setYear:2001]; NSCalendar *myCal = [[NSCalendaralloc] initWithCalendarIdentifier
startDate =[date dateFromString:startTime]; NSDate *endDdate = [date dateFromString:endTime]; NSCalendar...*cal = [NSCalendar currentCalendar]; unsigned int unitFlags = NSCalendarUnitYear | NSCalendarUnitMonth
stringFromDate:dateBefore1]; // NSString * date2 =[dateFormat stringFromDate:dateBefore1]; // 当前日历 NSCalendar...*calendar = [NSCalendar currentCalendar]; // 需要对比的时间数据 NSCalendarUnit unit = NSCalendarUnitYear
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