编辑代码

let imageView =UIImageView(frame: imageViewRect) let img = UIImage(named: "checkedBtn.png") imageView.image = img
//添加到self.view上才会显示出来
self.view.addSubview(imageView)
let imageView =UIImageView(frame: imageViewRect) let img = UIImage(named: "checkedBtn.png") imageView.image = img
//添加到self.view上才会显示出来
self.view.addSubview(imageView)