这似乎不起作用。我究竟做错了什么?
-(void)awakeFromNib{
UIBarButtonItem *rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(showNewEventViewController)];
self.navigationItem.rightBarButtonItem = rightBarButtonItem;
NSLog(@"awaked");
[rightBarButtonItem release];
}