swift 分页视图
var data:NSArray!
var scrollView: UIScrollView!
var pageCtrl: UIPageControl!
override func viewDidLoad() {
super.viewDidLoad()
// 实例化tableView
let tableView:UITableView = UITableView(frame: self.view.bounds, style: UITableViewStyle.Plain)
tableView.delegate = self
tableView.dataSource = self
tableView.registerClass(UITableViewCell.self, forCellReuseIdentifier: "cell")
self.view.addSubview(tableView)
// 系统字体
data = UIFont.familyNames()
// 实例化scrollView
let widthm = tableView.frame.size.width
let view: UIView = UIView(frame: CGRect(x: 0, y: 0, width: 0, height: 200))
scrollView = UIScrollView(frame: CGRect(x: 0, y: 0, width: widthm, height: 200))
scrollView.contentSize = CGSize(width: widthm * 5, height: 200)
scrollView.showsHorizontalScrollIndicator = false
scrollView.showsVerticalScrollIndicator = false
scrollView.pagingEnabled = true
scrollView.delegate = self
for index in 1...5 {
let imgName = "image\(index).jpg"
let imgView: UIImageView = UIImageView(image: UIImage(named: imgName))
imgView.frame = CGRect(x: widthm * CGFloat(index - 1), y: 0, width: widthm, height: 200)
scrollView.addSubview(imgView)
}
view.autoresizesSubviews = false
view.addSubview(scrollView)
// 实例化分页控制器
pageCtrl = UIPageControl(frame: CGRect(x: 0, y: 200 - 20, width: widthm, height: 20))
pageCtrl.addTarget(self, action: Selector("pageCtrlAction:"), forControlEvents: UIControlEvents.ValueChanged)
pageCtrl.numberOfPages = 5
pageCtrl.currentPage = 0
view.addSubview(pageCtrl)
tableView.tableHeaderView = view
}
//MARK: UITableViewDataSource
func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return data.count
}
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let tableViewCell = tableView.dequeueReusableCellWithIdentifier("cell", forIndexPath: indexPath) as UITableViewCell
tableViewCell.textLabel?.text = self.data[indexPath.row] as? String
return tableViewCell
}
//MARK: UIScrollViewDelegate
func scrollViewDidEndDecelerating(scrollView: UIScrollView) {
if scrollView == self.scrollView {
pageCtrl.currentPage = Int(scrollView.contentOffset.x/scrollView.frame.size.width)
}
}
//MARK: pageCtrl Action
func pageCtrlAction(pageCtrl: UIPageControl) {
// scrollView.contentOffset.x = scrollView.frame.width * CGFloat(pageCtrl.currentPage)
scrollView.setContentOffset(CGPoint(x: scrollView.frame.width * CGFloat(pageCtrl.currentPage), y: 0), animated: true)
}
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