如何在UIKIt中构建自定义控件？

import UIKit

class CustomControl: UIView {
    // 自定义属性
    @IBInspectable var backgroundColor: UIColor = .white
    @IBInspectable var borderColor: UIColor = .black
    @IBInspectable var borderWidth: CGFloat = 1.0
    
    // 初始化方法
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupView()
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
        setupView()
    }
    
    // 设置视图
    private func setupView() {
        layer.borderColor = borderColor.cgColor
        layer.borderWidth = borderWidth
        backgroundColor = self.backgroundColor
    }
    
    // 绘制方法
    override func draw(_ rect: CGRect) {
        super.draw(rect)
        // 在这里添加自定义绘制代码
    }
}

let customControl = CustomControl(frame: CGRect(x: 0, y: 0, width: 100, height: 50))
view.addSubview(customControl)