UINavigationControll中自定义回到按钮

UINavigationControll中自定义返回按钮

前者在主视图中:

UIBarButtonItem *temporaryBarButtonItem = [[UIBarButtonItem alloc] init];
? ? temporaryBarButtonItem.title = @"Back";
? ???self.navigationItem.backBarButtonItem = temporaryBarButtonItem;
? ???[temporaryBarButtonItem release];

?

self.navigationItem.hidesBackButton = YES;//隐藏返回按钮