iOS swift UITableview嵌套UICollectionView点击CollectionCell点击无效

视图

解决方案：

1、cell subview配置

// cell 添加背景view
cell.backView.tag = indexPath.row
// 热门城市 tag = -1
cell.titleLabel.tag = -1

2、CollectionView所在的TableviewCell中处理

    override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
        
        let view = super.hitTest(point, with: event)
        
        guard let eView = view, eView.isDescendant(of: collectionView) else { return view }
        
        if let tag = eView.tag, (-1 < tag && tag < sourceArr.count && !(eView is UICollectionView)) {
            currentCity = sourceArr[tag]
            collectionView.reloadData()
        }
        
        return collectionView
        
    }