scrollView.delegate = self
//设置最大最小缩放比例
scrollView.maximumZoomScale = 4.0
scrollView.minimumZoomScale = 1.0
//scrollView的delegate
func viewForZooming(in scrollView: UIScrollView) -> UIView? {
return imageView
}
具体可看苹果官方文档
scrollView.delegate = self
//设置最大最小缩放比例
scrollView.maximumZoomScale = 4.0
scrollView.minimumZoomScale = 1.0
//scrollView的delegate
func viewForZooming(in scrollView: UIScrollView) -> UIView? {
return imageView
}
具体可看苹果官方文档
本文标题:Swift ScrollView缩放
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