自定义 导航条分割线，tabBar分割线颜色（或者是 去掉）

UIView * lineView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, bgView.frame.size.width, 0.5)];

lineView.backgroundColor = JYEColor(226, 226, 226);

[bgView addSubview:lineView];

[self.tabBar setShadowImage:[UIImage new]];

[self.tabBar setBackgroundImage:[[UIImage alloc]init]];