// 定义iconView
@IBOutlet weak var iconView: UIImageView!
// 设置圆角
iconView.layer.cornerRadius = iconView.bounds.width * 0.5
iconView.layer.masksToBounds = true
// 定义iconView
@IBOutlet weak var iconView: UIImageView!
// 设置圆角
iconView.layer.cornerRadius = iconView.bounds.width * 0.5
iconView.layer.masksToBounds = true