iOS Objective-C

曜日を取得する

Objective-Cで曜日を取得する方法

NSDate *date = [NSDate date];
NSCalendar *gregCal = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
NSDateComponents *weekdayComponents = [gregCal components:(NSDayCalendarUnit|NSWeekdayCalendarUnit) fromDate:date];
NSInteger weekday = [weekdayComponents weekday];

１が日曜日, 7が土曜日