import UIKitclass JYJYBouncedCouponsViewCellBgView: UIView {    //一定要在这里设置 背景色， 不要再draw里面设置，     override init(frame: CGRect) {        super.init(frame: frame)        self.backgroundColor = UIColor.clear    }        required init?(coder aDecoder: NSCoder) {        fatalError("init(coder:) has not been implemented")    }        override func draw(_ rect: CGRect) {        // 获取上下文        guard let context = UIGraphicsGetCurrentContext() else {            return        }                //画一个矩形, 带圆角的，填充色为FFE4C3，切圆角5        UIColor.init(hexColor: "FFE4C3").set()        context.addPath(UIBezierPath(roundedRect: rect, cornerRadius: 5).cgPath)        context.fillPath()        //填充色setFillColor , 画线的颜色setStrokeColor//        context.setFillColor(UIColor.init(hexColor: "FFE4C3").cgColor)                // 画虚线        /**设置起始和结束位置**/        let startPointX: CGFloat = rect.size.width - 97        let staerPointY: CGFloat = 0        let endPointX: CGFloat = rect.size.width - 97        let endPointY: CGFloat =  rect.size.height        let path = CGMutablePath()        path.move(to: CGPoint(x: startPointX, y: staerPointY))        path.addLine(to: CGPoint(x: endPointX, y: endPointY))        context.addPath(path)                context.setStrokeColor(UIColor.init(hexColor: "FF8E00").cgColor)        context.setLineWidth(1)        /*         phase参数表示在第一个虚线绘制的时候跳过多少个点         lengths的值｛10,10｝表示先绘制10个点，再跳过10个点，如此反复         如果把lengths值改为｛10, 20, 10｝，则表示先绘制10个点，跳过20个点，绘制10个点，跳过10个点，再绘制20个点，如此反复         */        context.setLineDash(phase: 0, lengths: [5,5])        context.strokePath()                // 画半圆        UIColor.clear.set()        /***设置圆心位置***/        let circleY: CGFloat =  0        let topCirclePoint: CGPoint = CGPoint(x: rect.size.width - 97, y: circleY)        let bottomCenterPoint: CGPoint = CGPoint(x: rect.size.width - 97, y: rect.size.height)        let topCircle = UIBezierPath(arcCenter: topCirclePoint, radius: 5, startAngle: -CGFloat.pi, endAngle: CGFloat.pi, clockwise: true)        let bottpmCircle = UIBezierPath(arcCenter: bottomCenterPoint, radius: 5, startAngle: -CGFloat.pi, endAngle: CGFloat.pi, clockwise: true)        context.setBlendMode(.clear)        context.addPath(topCircle.cgPath)        context.addPath(bottpmCircle.cgPath)        context.fillPath()    }}