NSUInteger index=[[self.navigationController viewControllers]indexOfObject:self];
[self.navigationController popToViewController:[self.navigationController.viewControllers objectAtIndex:index-2]animated:YES];
NSUInteger index=[[self.navigationController viewControllers]indexOfObject:self];
[self.navigationController popToViewController:[self.navigationController.viewControllers objectAtIndex:index-2]animated:YES];
本文标题:UINavigationController如何连续返回两级/回
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