摘要：
NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar]; NSDateComponents *comps = nil; comps = [calendar components:NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit fromDate:mydate]; NSDateComponents *adcomps = [[NSDateComponents alloc] init]; ... 阅读全文