ios开发程序

import UIKit

class ViewController: UIViewController {

//记录图片的张数

let imagesCount = 5

let kScreenWidth = UIScreen.main.bounds.size.width

let kScreenHeight = UIScreen.main.bounds.size.height

//定义一个scrollView属性

var scrollView:UIScrollView!

//定义一个pageControl属性

var pageControl:UIPageControl!

override func viewDidLoad() {

super.viewDidLoad()

self.setupScrollView()

self.setuppageControl()

}

func setupScrollView(){

scrollView = UIScrollView(frame: UIScreen.main.bounds)

scrollView.backgroundColor = #colorLiteral(red: 0.4745098054, green: 0.8392156959, blue: 0.9764705896, alpha: 1)

//设置scrollView的contentSize

scrollView.contentSize = CGSize(width: CGFloat(imagesCount) * kScreenWidth, height: kScreenHeight)

//循环往scrollView添加图片

for i in 0..