//取消右侧，下侧滚动条，去处上下滚动边界的黑色背景
        for (UIView *_aView in [myWebView subviews])
        {
            if ([_aView isKindOfClass:[UIScrollView class]])
            {
                [(UIScrollView *)_aView setShowsVerticalScrollIndicator:NO];
                //右侧的滚动条
                
                [(UIScrollView *)_aView setShowsHorizontalScrollIndicator:NO];
                //下侧的滚动条
                
                for (UIView *_inScrollview in _aView.subviews)
                {
                    if ([_inScrollview isKindOfClass:[UIImageView class]])
                    {
                        _inScrollview.hidden = YES;  //上下滚动出边界时的黑色的图片
                    }
                } 
            } 
        }  

禁用UIWebView左右滚动 (2011-09-01 14:5

[(UIScrollView *)[[m_webView subviews] objectAtIndex:0] setBounces:NO];

ios UIWebView隐藏右侧和底部的滚动条，去掉滚动边界的黑色背景