首页导航栏隐藏，下一级页面显示方法

---

// 不显示 navigationBar

- (void)viewWillAppear:(BOOL)animated {

[super viewWillAppear:animated];

[self.navigationController setNavigationBarHidden:YES animated:animated];

}

// push 后navigationBar 显示

- (void)viewWillDisappear:(BOOL)animated {

[super viewWillDisappear:animated];

self.navigationController.navigationBarHidden = NO;

}

###### PS:记录自己工作学习中的一些知识；