ios 导航栏设置

//设置导航条透明度
self.navigationController.navigationBar.translucent = NO;//不透明
[[[self.navigationController.navigationBar subviews] objectAtIndex:0] setAlpha:1];
//图标颜色为黑色
[self.navigationController.navigationBar setTintColor:[UIColor blackColor]];
//导航栏背景颜色
[self.navigationController.navigationBar setBarTintColor:[UIColor whiteColor]];
//导航条下面的黑线
self.navigationController.navigationBar.clipsToBounds = NO;

//刷新状态栏背景颜色

// [self setNeedsStatusBarAppearanceUpdate];

//设置状态栏颜色
[self setStatusBarBackgroundColor:[UIColor blackColor]];