//连续返回两级
int index=[[self.navigationController viewControllers]indexOfObject:self];
[self.navigationController popToViewController:[self.navigationController.viewControllers objectAtIndex:index-2]animated:YES];
//切换根
AppDelegate *app = [[UIApplication sharedApplication]delegate];
app.window.rootViewController = [[BaseTabbarController alloc]init];
UINavigationController如何连续返回两级/回到第一级
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转载自peng13123.iteye.com/blog/2006871
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