Iphone 滚动视图随着方向的改变而改变

我正在创建一个应用程序，其中我使用了scrollview和insdie scrollview，我使用imageview来显示图像。但是当我将模拟器的方向更改为横向左/右时，imageview和scrollview的位置会随着方向的增加而向左移动，同时重复相同的过程，scrollview和imageview将进入一个阶段看法我在一个视图中使用了两个视图，一个用于纵向视图，另一个用于横向视图。我必须在纵向模式和横向模式下显示不同的图像，所以任何人都可以帮助我。提前谢谢。下面是一些示例代码

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation 
{
    if(interfaceOrientation==UIInterfaceOrientationPortrait ||interfaceOrientation==UIInterfaceOrientationPortraitUpsideDown)
    {
        return YES;
    } else if(interfaceOrientation==UIInterfaceOrientationLandscapeLeft ||interfaceOrientation==UIInterfaceOrientationLandscapeRight)   
    {
            return YES;     
    }
    return YES;
}

- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation 
{
    UIInterfaceOrientation orientation = [[UIDevice currentDevice] orientation];

    if(orientation==UIInterfaceOrientationPortrait || orientation==UIInterfaceOrientationPortraitUpsideDown)
    {CGRect frame=CGRectMake(0,45,320,480);
        [sample_scroll_view setFrame:frame];
        sample_scroll_view.contentSize = CGSizeMake(2560,275);
        sample_scroll_view.pagingEnabled=YES;
        sample_scroll_view.autoresizingMask =
        ( UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
        sample_scroll_view.autoresizesSubviews = YES;
}
else if (orientation==UIInterfaceOrientationLandscapeLeft || orientation==UIInterfaceOrientationLandscapeRight)
{
CGRect frame=CGRectMake(0,45,480,275);
        [scroll_view2 setFrame:frame];
        scroll_view2.contentSize = CGSizeMake(3140,275);
        scroll_view2.maximumZoomScale = 4.0;
        scroll_view2.minimumZoomScale = 0.75;
        scroll_view2.bounces = NO;
        scroll_view2.pagingEnabled=YES;
    sample_scroll_view.autoresizingMask =
    ( UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
    sample_scroll_view.autoresizesSubviews = YES;
}
}

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您可以在xib文件中的视图标记“自动调整大小”模式下进行一些设置