UINavigationController 片集

1、设置导航栏标题的字体颜色和大小

　　[self.navigationController.navigationBar setTitleTextAttributes:@{NSFontAttributeName:[UIFont 　　systemFontOfSize:19],NSForegroundColorAttributeName:[UIColor redColor]}];

self.navigationItem.titleView     //设置导航栏的标题视图

[self.navigationBar setBackgroundImage:[UIImage imageWithColor:COLOR_WITH_RGB(70, 70, 70) size:CGSizeMake(SCREEN_WIDTH, KNav_Height)] forBarMetrics:UIBarMetricsDefault];   //设置导航栏颜色

self.navigationController.navigationBarHidden = YES;    //隐藏navigationBar

2、设置全局导航条风格和颜色

    [[UINavigationBar appearance] setBarTintColor:[UIColor colorWithRed:23/255.0 green:180/255.0 blue:237/255.0 alpha:1]];
    [[UINavigationBar appearance] setBarStyle:UIBarStyleBlack];
    

 3、设置导航栏左右侧按钮和返回按钮

   　 self.navigationItem.leftBarButtonItem=[[UIBarButtonItem alloc]initWithTitle:@"Edit" style:UIBarButtonSystemItemAdd target:nil action:nil];

　　UIBarButtonItem *back=[[UIBarButtonItem alloc]initWithTitle:@"QQ" style:UIBarButtonItemStyleDone target:nil action:nil];
      self.navigationItem.backBarButtonItem=back;

　　3.2自定义左右导航项

　　UIButton *btn1 = [UIButton buttonWithType:UIButtonTypeCustom];

　　UIBarButtonItem *bar1 = [[UIBarButtonItem alloc] initWithCustomView:btn1];