1.设置导航栏标题

self.title = @"dylan_李伟宾";

2.设置导航栏样式

设置方法：

[self.navigationController.navigationBar setBarStyle:UIBarStyleBlack];

UIBarStyle的样式：

typedef NS_ENUM(NSInteger, UIBarStyle) {    UIBarStyleDefault          = 0,    UIBarStyleBlack            = 1,    UIBarStyleBlackOpaque      = 1, // Deprecated. Use UIBarStyleBlack    UIBarStyleBlackTranslucent = 2, // Deprecated. Use UIBarStyleBlack and set the translucent property to YES};

UIBarStyleDefault是默认样式，UIBarStyleBlack是黑色不透明。UIBarStyleBlackOpaque和UIBarStyleBlackTranslucent这两个已经废弃了。

假设想设置导航栏透明，能够加上以下这句代码：

self.navigationController.navigationBar.translucent = YES;

3.改动返回buttontitle

self.navigationItem.title = @"test";

4.隐藏返回buttontitle

比較笨的方法是：

self.navigationItem.title = @"";

还能够这样设置：

[[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(0, -60) forBarMetrics:UIBarMetricsDefault];

5.设置leftBarButtonItem

self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"back" style:UIBarButtonItemStylePlain target:self action:@selector(back:)];- (void)back:(id)sender{    [self.navigationController popViewControllerAnimated:YES];}

6.左滑返回手势失效了怎么办

假设按上一步设置leftBarButtonItem之后，左滑返回手势就会失效。

设置一下UIGestureRecognizerDelegate代理就可以：

self.navigationController.interactivePopGestureRecognizer.delegate = self;