10.31控件练习题

importUIKit

classViewController:UIViewController{

//使用UIVicw搭建界面

overridefuncviewDidLoad() {

super.viewDidLoad()

//frame:CGRectMake(x,y,,width,height),表示该控件在父视图中的坐标

letview0 =UIView(frame:CGRectMake(30,60,80,40))

//UIColor是ios里面表示的颜色

view0.backgroundColor=UIColor.cyanColor()

//添加控件

view.addSubview(view0)

}

overridefuncdidReceiveMemoryWarning() {

super.didReceiveMemoryWarning()

}

}