我正在Xcode 6的最新版本中使用swift构建一个应用程序,我想知道如何修改我的按钮,使它可以有一个圆形的边界,如果需要,我可以调整自己。一旦完成,我如何改变边界本身的颜色而不添加背景?换句话说,我想要一个略圆的按钮,没有背景,只有一个特定颜色的1pt边界。


当前回答

试试这个 带有圆角的按钮边框

anyButton.backgroundColor = .clear

anyButton.layer.cornerRadius = anyButton.frame.height / 2

anyButton.layer.borderWidth = 1

anyButton.layer.borderColor = UIColor.black.cgColor

其他回答

它是UIButton圆角边框的全局方法

class func setRoundedBorderButton(btn:UIButton)
{
   btn.layer.cornerRadius = btn.frame.size.height/2
   btn.layer.borderWidth = 0.5
   btn.layer.borderColor = UIColor.darkGray.cgColor
}
@IBOutlet weak var yourButton: UIButton! {
    didSet{
        yourButton.backgroundColor = .clear
        yourButton.layer.cornerRadius = 10
        yourButton.layer.borderWidth = 2
        yourButton.layer.borderColor = UIColor.white.cgColor
    }
}
import UIKit

@IBDesignable
class RoundedButton: UIButton {
    
    @IBInspectable var cornerRadius: CGFloat = 8
    @IBInspectable var borderColor: UIColor? = .lightGray
    
    override func draw(_ rect: CGRect) {
        layer.cornerRadius = cornerRadius
        layer.masksToBounds = true
        layer.borderWidth = 1
        layer.borderColor = borderColor?.cgColor
        
    }
    
    
}

试试这个 带有圆角的按钮边框

anyButton.backgroundColor = .clear

anyButton.layer.cornerRadius = anyButton.frame.height / 2

anyButton.layer.borderWidth = 1

anyButton.layer.borderColor = UIColor.black.cgColor

要在故事板中完成这项工作(接口构建器检查器)

在IBDesignable的帮助下,我们可以为UIButton添加更多的界面构建器检查器选项,并在故事板上调整它们。首先,将以下代码添加到项目中。

@IBDesignable extension UIButton {

    @IBInspectable var borderWidth: CGFloat {
        set {
            layer.borderWidth = newValue
        }
        get {
            return layer.borderWidth
        }
    }

    @IBInspectable var cornerRadius: CGFloat {
        set {
            layer.cornerRadius = newValue
        }
        get {
            return layer.cornerRadius
        }
    }

    @IBInspectable var borderColor: UIColor? {
        set {
            guard let uiColor = newValue else { return }
            layer.borderColor = uiColor.cgColor
        }
        get {
            guard let color = layer.borderColor else { return nil }
            return UIColor(cgColor: color)
        }
    }
}

然后简单地设置storyboard上按钮的属性。