本文实例为大家分享了Swift实现广告栏滑动效果的具体代码，供大家参考，具体内容如下
创建一个类:PlayCollectionViewController.swift
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//cell重用标识private let reuseIdentifier = "reuseIdentifier"class PlayCollectionViewController: UICollectionViewController { //页面个数 private let pageCount = 6 //布局对象(自定义布局) private var layout: UICollectionViewFlowLayout = PlayLayout() init() { super.init(collectionViewLayout: layout) } required init?(coder aDecoder: NSCoder) { fatalError("init(coder:) has not been implemented") } override func viewDidLoad() { super.viewDidLoad() //注册cell collectionView?.registerClass(NewfearureCell.self, forCellWithReuseIdentifier: reuseIdentifier) } //MARK: - UICollectionDataSource override func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { return pageCount } override func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell { let cell = collectionView.dequeueReusableCellWithReuseIdentifier(reuseIdentifier, forIndexPath: indexPath) as! NewfearureCell cell.imageIndex = indexPath.item return cell }} |
自定义CollectionView的cell
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//MARK: - 在这里我们依然在(PlayCollectionViewController.swift的文件中)自定义collectionViewCellclass NewfearureCell: UICollectionViewCell { //保存图片索引 private var imageIndex:Int? { didSet { //根据页码创建图片名字(需要每张图片的名称只有最有最有一个数不同) iconView.image = UIImage(named: "image_\(imageIndex!)") } } override init(frame: CGRect) { super.init(frame: frame) //初始化UI setupUI() } required init?(coder aDecoder: NSCoder) { fatalError("init(coder:) has not been implemented") } private func setupUI() { //添加子控件到contentView contentView.addSubview(iconView) //布局子控件位置(填充屏幕) iconView.xmg_Fill(contentView) } //MARK: 懒加载 private lazy var iconView = UIImageView()} |
继承UICollectionViewFlowLayout,自定义布局
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private class PlayLayout: UICollectionViewFlowLayout { //重写系统准备布局的方法 override func prepareLayout() { //设置layout布局 itemSize = UIScreen.mainScreen().bounds.size minimumInteritemSpacing = 0 minimumLineSpacing = 0 scrollDirection = UICollectionViewScrollDirection.Horizontal //设置其他属性 collectionView?.showsHorizontalScrollIndicator = false collectionView?.bounces = false collectionView?.pagingEnabled = true }} |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/weixin_34354945/article/details/87150895
