Questions tagged «nsdatecomponents»

在NSDate没有其他信息的情况下，如何获取对象的年/月/日？我意识到我可以用类似以下的方法做到这一点： NSCalendar *cal = [[NSCalendar alloc] init]; NSDateComponents *components = [cal components:0 fromDate:date]; int year = [components year]; int month = [components month]; int day = [components day]; 但这似乎很麻烦，因为获取NSDate年/月/日等简单的事情。还有其他解决方案吗？

291 objective-c  nsdate  nsdatecomponents  nscalendar 

-(NSDate *)beginningOfDay:(NSDate *)date { NSCalendar *cal = [NSCalendar currentCalendar]; NSDateComponents *components = [cal components:( NSMonthCalendarUnit | NSYearCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit ) fromDate:date]; [components setHour:0]; [components setMinute:0]; [components setSecond:0]; return [cal dateFromComponents:components]; } -(NSDate *)endOfDay:(NSDate *)date { NSCalendar *cal = [NSCalendar currentCalendar]; NSDateComponents *components = [cal components:( NSMonthCalendarUnit …

104 ios  nsdate  nsdatecomponents