摘要：
创建 cell 或者 附加视图1、在此之前注册funcregisterClass(_cellClass:AnyClass?,forCellWithReuseIdentifieridentifier:String)funcregisterClass(_viewClass:AnyClass?,forSu... 阅读全文
摘要：
TheUICollectionViewclass manages an ordered collection of data items and presents them using customizable layouts. Collection views provide the same g... 阅读全文