附上源码：-(void)loadView{[superloadView];self.view.backgroundColor=[UIColorblackColor];UIImageView*imageView=[[UIImageViewalloc]initWithImage:self.image];//imageView.fra... 附上源码：
-(void)loadView

{

[super loadView];

self.view.backgroundColor = [UIColor blackColor];

UIImageView *imageView=[[UIImageView alloc] initWithImage:self.image];

// imageView.frame = CGRectMake(0, 0, 320, 480);

UIScrollView *scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 44, 320, 480)];

scrollView.contentSize = CGSizeMake(320*9, 480);

scrollView.maximumZoomScale = 2;

scrollView.minimumZoomScale = 0.5;

scrollView.delegate = self;

[self.view addSubview:scrollView];

[scrollView addSubview:imageView];

}