//把collectionView上的point轉(zhuǎn)成view上面對(duì)應(yīng)的坐標(biāo)
letnewPoint =self?.collectionView.convert(pressPoint, to:self?.view)
//把collectionView上的point轉(zhuǎn)成view上面對(duì)應(yīng)的坐標(biāo)
letnewPoint =self?.collectionView.convert(pressPoint, to:self?.view)