添加一个按钮，导航项目的代码

Question

如何在一个视图控制器添加一个按钮的导航项的右边？

Answer 1

self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc] initWithTitle:@"About" style:UIBarButtonItemStyleBordered target:self action:@selector(aboutB)] autorelease];