我在UIViewController中有一个UIScrollView，并使用UITapGestureRecognizer动态地将“rectView”（UIView）添加到contentView（UIView添加到UIScrollView），并且可以通过UIPanGestureRecognizer移动（拖动，平移）矩形。
它工作正常，但在我将scrollview缩放到大（例如120％）之后，我再也无法拖动rect而不是滚动scrollview，我不想在拖动rect时滚动滚动视图任何想法？
抱歉我的英语不好，希望你能理解我在说什么，如果需要我可以上传xcode项目，谢谢
import UIKit
class StageVC: UIViewController,UIScrollViewDelegate,UIGestureRecognizerDelegate {
@IBOutlet var scrollView: UIScrollView!
private var contentView:UIView!
override func viewDidLoad() {
super.viewDidLoad()
self.scrollView.minimumZoomScale = 0.025
self.scrollView.maximumZoomScale = 2
self.scrollView.delegate = self
self.contentView = UIView(frame: CGRect(x: 0, y: 0, width:self.view.frame.width, height: 10000))
self.contentView.backgroundColor = UIColor.red
self.scrollView.addSubview(self.contentView)
let cs = CGSize(width: self.contentView.frame.width, height: self.contentView.frame.height)
self.scrollView.contentSize = cs
let gesture = UITapGestureRecognizer(target: self, action: #selector(self.checkAction))
self.contentView.addGestureRecognizer(gesture)
gesture.delegate = self
}
@objc func checkAction(sender : UITapGestureRecognizer) {
let position = sender.location(in: self.contentView)
let rectView = UIView(frame: CGRect(x: position.x - 50, y: position.y - 50, width: 100, height: 100))
rectView.backgroundColor = UIColor.green
self.contentView.addSubview(rectView)
let pan = UIPanGestureRecognizer(target: self, action: #selector(StageVC.panHandler(sender:)))
rectView.addGestureRecognizer(pan)
}
@objc func panHandler(sender:UIPanGestureRecognizer){
let panView = sender.view!
let t = sender.translation(in: self.contentView)
if (sender.state == .began || sender.state == .changed){
panView.center = CGPoint(x:panView.center.x + t.x,y:panView.center.y + t.y)
sender.setTranslation(CGPoint.zero, in: contentView)
}
else if(sender.state == .ended) {
}
}
func viewForZooming(in scrollView: UIScrollView) -> UIView? {
return self.contentView
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
}