学步园

    NSDate *today = [[NSDatealloc]
init];

   NSCalendar *gregorian = [[NSCalendaralloc]

                            initWithCalendarIdentifier:NSGregorianCalendar];

   NSDateComponents *offsetComponents = [[NSDateComponentsalloc]
init];

    [offsetComponentssetYear:1];

   NSDate * nextYear = [gregorian
dateByAddingComponents:offsetComponents

                                                       toDate:today
options:0];

    [gregorian
release];

    [offsetComponents
release];

    [today
release];