//方法一

在跳转的事件里面写

   UIViewController *viewController = [[UIViewController alloc] init];

    viewController.hidesBottomBarWhenPushed = YES;

    [self.navigationController pushViewController:viewControllerr animated:YES];

 

//方法2

    self.tabBar.hidden = YES;

    for (UIView *view in self.view.subviews) {

        if (![view isKindOfClass:[UITabBar class]]) {

            view.frame = self.view.bounds;

            [view setBackgroundColor:[UIColor clearColor]];

        }

    }