swift3 控件创建

//MARK:- UIScrollView

let scrollView = UIScrollView()

scrollView.delegate = target

scrollView.backgroundColor = UIColor.groupTableViewBackground

scrollView.showsHorizontalScrollIndicator = false

scrollView.showsVerticalScrollIndicator = false

scrollView.isPagingEnabled = true

scrollView.bounces = false

//使它能够在设备旋转之后自动适应新的宽度和高度

scrollView.autoresizingMask = [UIViewAutoresizing.flexibleWidth,UIViewAutoresizing.flexibleHeight]

scrollView.minimumZoomScale = 0.1

scrollView.maximumZoomScale = 4.0

scrollView.zoomScale = 1.0

//        scrollView.minimumZoomScale = max(1, 3)

//MARK:- UICollectionView

var layout = layout

let  layout = UICollectionViewFlowLayout()

//            layout?.minimumLineSpacing = 1

//            layout?.minimumInteritemSpacing = 10

//            layout?.sectionInset = UIEdgeInsetsMake(10, 5, 10, 5);

layout?.scrollDirection = direction

let collection = UICollectionView(frame: CGRect.zero, collectionViewLayout: layout!)

collection.backgroundColor = UIColor.groupTableViewBackground

collection.delegate = target

collection.dataSource = target

//MARK:- UITableView

let table = UITableView.init(frame: CGRect.zero, style: style)

table.backgroundColor = UIColor.groupTableViewBackground

table.tableFooterView = UIView()

table.delegate = target

table.dataSource = target

//table.separatorInset = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)//分割线位置

//table?.separatorStyle = .none //设置cell 下边线类型

table.estimatedRowHeight = 45

table.rowHeight = UITableViewAutomaticDimension