NSYearCalendarUnitdeprecatediniOS

用途NSCalendarUnitYear:

NSCalendarUnit unitFlags = NSCalendarUnitYear | NSCalendarUnitMonth |  NSCalendarUnitDay;

我从原始问题中的代码示例中推断出您正在寻找Objective-C答案,但对于那些寻找Swift等效的人,您会这样做:

let unitFlags: NSCalendarUnit = [.Year, .Month, .Day]

注意,在Swift 3中,等效的是:

let unitFlags: Set = [.year, .month, .day]