[問題] UIStoryboard navigationController 的

[valda (valda)]

請問
利用UIStoryboard
從root view到sec view

UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle: nil];
SubViewController *lvc = [storyboard instantiateViewControllerWithIdentifier:@"SubViewController"];
[self.navigationController pushViewController:lvc animated:YES];

但要如何從 sec view回到root view
而不是重新new 一個root view push出來

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→ valda:剛剛試了popToRootViewControllerAnimated:true可以～但是
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