UIBarButtonItem *barButtonItem = [[UIBarButtonItem alloc] init]; barButtonItem.title = @"buttonName"; self.navigationItem.backBarButtonItem = barButtonItem; [barButtonItem release];
需要在push前写
UIBarButtonItem *barButtonItem = [[UIBarButtonItem alloc] init]; barButtonItem.title = @"buttonName"; self.navigationItem.backBarButtonItem = barButtonItem; [barButtonItem release];
需要在push前写