swift - 自定义view

继承自uiview

class TapAddShowImageView: UIView {
}

重写初始化方法

//code
override init(frame: CGRect) {
        super.init(frame: frame)
        setupSubviews()
    }
//xib
required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        setupSubviews()
    }

重写布局方法

override func layoutSubviews() {
        self.showImageView?.frame = self.frame
    }