去掉tabbar上的黑线

- (void)viewDidLoad {[super viewDidLoad];// 去掉顶部的黑线self.tabBar.backgroundImage &＃61; [UIImage imageWithColor:[UIColor clearColor]];[self.tabBar setShadowImage:[UIImage imageWithColor:[UIColor clearColor] size:CGSizeMake(kScreenWidth, 0.5)]];