-(void)createChildVcWithVc:(UIViewController *)vc Title:(NSString *)title image:(NSString *)image selectedImage:(NSString *)selectedImage

{

    //图片渲染

    vc.tabBarItem.title=title;

    vc.navigationItem.title=title;

    vc.tabBarItem.image=[UIImage imageNamed:image];

    vc.tabBarItem.selectedImage=[[UIImage imageNamed:selectedImage] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];

    //文字渲染

    NSMutableDictionary *dict=[NSMutableDictionary dictionary];

    dict[NSForegroundColorAttributeName]=[UIColor blackColor];

    [vc.tabBarItem setTitleTextAttributes:dict forState:UIControlStateNormal];

    //选中的文字渲染

    dict[NSForegroundColorAttributeName]=[UIColor orangeColor];

    [vc.tabBarItem setTitleTextAttributes:dict forState:UIControlStateSelected];

    YJNavigationController *nav=[[YJNavigationController alloc] initWithRootViewController:vc];

    [self addChildViewController:nav];

}

 YJMeViewController *me=[[YJMeViewController alloc] init];

    [self createChildVcWithVc:me Title:@"我" image:@"tabbar_profile" selectedImage:@"tabbar_profile_selected"];