如何给navigationItem 设置title 和左右按钮

                                                   如何给navigation bar 设置title 和左右按钮

 

1. 如何设置title

    self.navigationItem.title = @"Hello World";  

 

 2. 如何设置  leftBatButtonItem和 rightBarButtonItem

     UIBarButtonItem *leftButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"左边按钮" style:UIBarButtonItemStylePlain target:self action:@selector(OnLeftButton:)]; self.navigationItem.leftBarButtonItem = leftButtonItem; [leftButtonItem release]; UIBarButtonItem *rightButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"右边按钮" style:UIBarButtonItemStylePlain target:self action:@selector(OnRightButton:)]; self.navigationItem.rightBarButtonItem = rightButtonItem; [rightButtonItem release];