引入

轮播广告控件 纯SWIFT
pod 'FSPagerView'

 lazy var pagerView = FSPagerView()
    lazy var pageControl = FSPageControl()


self.pagerView.dataSource = self
        self.pagerView.delegate = self
        self.pagerView.automaticSlidingInterval =  3
        self.pagerView.isInfinite = !pagerView.isInfinite
        //self.pagerView.interitemSpacing = 50
        self.pagerView.register(FSPagerViewCell.self, forCellWithReuseIdentifier: "cell")
        self.addSubview(self.pagerView)
        self.pagerView.snp.makeConstraints { (make) in
            
            make.width.equalTo(self)
            make.height.equalTo(210+YYStatusBarHeight)
            make.left.equalTo(0)
  
        }
        
        self.pageControl.numberOfPages = imageNames.count
        self.pageControl.contentHorizontalAlignment = .center
        pageControl.setFillColor(.gray, for: .normal)
        pageControl.setFillColor(AppBlue, for: .selected)
        self.addSubview(self.pageControl)
        self.pageControl.snp.makeConstraints { (make) in
            make.width.equalTo(80)
            make.height.equalTo(30)
            make.bottom.equalTo(pagerView.snp.bottom).offset(-20)
            make.centerX.equalTo(self)
        }
        

//实现代理 :FSPagerViewDataSource, FSPagerViewDelegate

  // MARK:- FSPagerView Delegate
    func numberOfItems(in pagerView: FSPagerView) -> Int {
        return imageNames.count
    }
    
    func pagerView(_ pagerView: FSPagerView, cellForItemAt index: Int) -> FSPagerViewCell {
        let cell = pagerView.dequeueReusableCell(withReuseIdentifier: "cell", at: index)
        cell.imageView?.downloadedFrom(imageurl: self.imageNames[index].picture_addr!)
        //        cell.imageView?.load.request(with: )
        return cell
    }
    func pagerView(_ pagerView: FSPagerView, didSelectItemAt index: Int) {
        pagerView.deselectItem(at: index, animated: true)
        pagerView.scrollToItem(at: index, animated: true)
        self.pageControl.currentPage = index
    }
    
    func pagerViewDidScroll(_ pagerView: FSPagerView) {
        guard self.pageControl.currentPage != pagerView.currentIndex else {
            return
        }
        self.pageControl.currentPage = pagerView.currentIndex // Or Use KVO with property "currentIndex"
    }

//加载数据
 var imageNames = [BannerHomeModel]() {
        didSet {
            self.pageControl.numberOfPages = imageNames.count
            self.pagerView.reloadData()
            
        }
    }