如何修改Tabbar属性

iOS10之前

vc.tabBarItem.image = [vc.tabBarItem.image imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];

iOS10之后

[[CBBaseTabBar appearance] setUnselectedItemTintColor:[UIColor yellowColor]];

选中颜色

[[UITabBar appearance] setTintColor:kColorTheme];

阴影线颜色

[[UITabBar appearance] setShadowImage:[UIImage imageNamed:@"nil"]];

Tabbar背景颜色

[[UITabBar appearance] setBarTintColor:UIColorFromRGBA(0x111321, 1)];