self.navigationItem.setHidesBackButton(true, animated: true)

使用代码:

 self.navigationItem.backBarButtonItem=nil;

别忘了，我们现在有滑动到后退的手势。你可能也想把这个去掉。如果有必要，不要忘记重新启用它。

if ([self.navigationItem respondsToSelector:@selector(hidesBackButton)]) {
    self.navigationItem.hidesBackButton = YES;
}

if ([self.navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {
    self.navigationController.interactivePopGestureRecognizer.enabled = NO;
}

将此代码添加到视图控制器中

UIView *myView = [[UIView alloc] initWithFrame: CGRectMake(0, 0, 300, 30)];
UIBarButtonItem *btnL = [[UIBarButtonItem alloc]initWithCustomView:myView];
self.navigationItem.leftBarButtonItem = btnL;

objective - c: self.navigationItem.hidesBackButton = YES;

迅速: navigationItem。hidesBackButton = true

在UIViewController的viewDidLoad函数中使用以下代码:

self.navigationItem.hidesBackButton = YES;