本文實(shí)例為大家分享了Swift實(shí)現(xiàn)廣告欄滑動(dòng)效果的具體代碼，供大家參考，具體內(nèi)容如下
創(chuàng)建一個(gè)類:PlayCollectionViewController.swift
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//cell重用標(biāo)識(shí)private let reuseIdentifier = "reuseIdentifier"class PlayCollectionViewController: UICollectionViewController { //頁(yè)面?zhèn)€數(shù) private let pageCount = 6 //布局對(duì)象(自定義布局) 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() //注冊(cè)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 }} |
自定義CollectionView的cell
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//MARK: - 在這里我們依然在(PlayCollectionViewController.swift的文件中)自定義collectionViewCellclass NewfearureCell: UICollectionViewCell { //保存圖片索引 private var imageIndex:Int? { didSet { //根據(jù)頁(yè)碼創(chuàng)建圖片名字(需要每張圖片的名稱只有最有最有一個(gè)數(shù)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: 懶加載 private lazy var iconView = UIImageView()} |
繼承UICollectionViewFlowLayout,自定義布局
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private class PlayLayout: UICollectionViewFlowLayout { //重寫(xiě)系統(tǒng)準(zhǔn)備布局的方法 override func prepareLayout() { //設(shè)置layout布局 itemSize = UIScreen.mainScreen().bounds.size minimumInteritemSpacing = 0 minimumLineSpacing = 0 scrollDirection = UICollectionViewScrollDirection.Horizontal //設(shè)置其他屬性 collectionView?.showsHorizontalScrollIndicator = false collectionView?.bounces = false collectionView?.pagingEnabled = true }} |
以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持服務(wù)器之家。
原文鏈接：https://blog.csdn.net/weixin_34354945/article/details/87150895
