個人中心頁面 沒有navigationBar，push到下一頁面時，navigationBar出現，返回時候，navigationBar隱藏；
- 設置代理
@interfae PersonaInfoVC () <UINavigationControllerDelegate>
self.navigationController.delegate = self;
- 實現代理方法
- (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated
{
BOOL isMyInfoVC = [viewController isKindOfClass:[**PersonaInfoVC**class]];
[self.navigationController setNavigationBarHidden:isMyInfoVC animated:YES];
}
navigationBar消失.png
設置之后.png
