在UICollectionView中的Cell展示UIImageView,同时绑定UITapGestureRecognizer事件,传值section 和 item
定义
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extension UIImageView { private struct definestruct{ static var defineSection:Int = 0 static var defineItem:Int = 0 } var definesection:Int{ get{ return objc_getAssociatedObject(self, &definestruct.defineSection) as! Int } set(value){ objc_setAssociatedObject(self, &definestruct.defineSection, value, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC) } } var defineitem:Int{ get{ return objc_getAssociatedObject(self, &definestruct.defineItem) as! Int } set(value){ objc_setAssociatedObject(self, &definestruct.defineItem, value, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC) } } }
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使用
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imgview.definesection = indexPath.section imgview.defineitem = indexPath.item
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