ios 如何以编程方式设置 UIView 的自定义边框颜色？
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How to set the custom border color of UIView programmatically?
提问by Shashi Verma
I am trying to set the custom border color of UIView programmatically in Swift.
我正在尝试在 Swift 中以编程方式设置 UIView 的自定义边框颜色。
回答by Shashi Verma
If you Use Swift 2.0+
如果您使用 Swift 2.0+
self.yourView.layer.borderWidth = 1
self.yourView.layer.borderColor = UIColor(red:222/255, green:225/255, blue:227/255, alpha: 1).cgColor
回答by Paras Joshi
In Swift 4you can set the border color and width to UIControls using below code.
在Swift 4 中，您可以使用以下代码将边框颜色和宽度设置为 UIControls。
let yourColor : UIColor = UIColor( red: 0.7, green: 0.3, blue:0.1, alpha: 1.0 )
yourControl.layer.masksToBounds = true
yourControl.layer.borderColor = yourColor.CGColor
yourControl.layer.borderWidth = 1.0
< Swift 4, You can set UIView's border width and border color using the below code.
< Swift 4，您可以使用以下代码设置 UIView 的边框宽度和边框颜色。
yourView.layer.borderWidth = 1
yourView.layer.borderColor = UIColor.red.cgColor
回答by Supratik Majumdar
Use @IBDesignableand @IBInspectableto do the same.
使用@IBDesignable和@IBInspectable来做同样的事情。
They are re-useable, easily modifiable from the Interface Builder and the changes are reflected immediately in the Storyboard
它们是可重复使用的，可以从 Interface Builder 轻松修改，并且更改会立即反映在 Storyboard 中
Conform the objects in the storyboard to the particular class
使故事板中的对象符合特定的类
Code Snippet:
代码片段：
@IBDesignable
class CustomView: UIView{
@IBInspectable var borderWidth: CGFloat = 0.0{
didSet{
self.layer.borderWidth = borderWidth
}
}
@IBInspectable var borderColor: UIColor = UIColor.clear {
didSet {
self.layer.borderColor = borderColor.cgColor
}
}
override func prepareForInterfaceBuilder() {
super.prepareForInterfaceBuilder()
}
}
Allows easy modification from Interface Builder:
允许从 Interface Builder 轻松修改：
回答by Shardul
You can write an extension to use it with all the UIViews eg. UIButton, UILabel, UIImageView etc. You can customise my following method as per your requirement, but I think it will work well for you.
您可以编写一个扩展以将其与所有 UIViews 一起使用，例如。UIButton、UILabel、UIImageView 等。您可以根据您的要求自定义我的以下方法，但我认为它对您很有效。
extension UIView{
func setBorder(radius:CGFloat, color:UIColor = UIColor.clearColor()) -> UIView{
var roundView:UIView = self
roundView.layer.cornerRadius = CGFloat(radius)
roundView.layer.borderWidth = 1
roundView.layer.borderColor = color.CGColor
roundView.clipsToBounds = true
return roundView
}
}
Usage:
用法：
btnLogin.setBorder(7, color: UIColor.lightGrayColor())
imgViewUserPick.setBorder(10)
回答by Deepak Tagadiya
swift 3
迅捷 3
func borderColor(){
self.viewMenuItems.layer.cornerRadius = 13
self.viewMenuItems.layer.borderWidth = 1
self.viewMenuItems.layer.borderColor = UIColor.white.cgColor
}
回答by ikbal
Swift 5.2, UIView+Extension
Swift 5.2, UIView+扩展
extension UIView {
public func addViewBorder(borderColor:CGColor,borderWith:CGFloat,borderCornerRadius:CGFloat){
self.layer.borderWidth = borderWith
self.layer.borderColor = borderColor
self.layer.cornerRadius = borderCornerRadius
}
}
You used this extension;
您使用了此扩展程序；
yourView.addViewBorder(borderColor: #colorLiteral(red: 0.6, green: 0.6, blue: 0.6, alpha: 1), borderWith: 1.0, borderCornerRadius: 20)
回答by Mr.Javed Multani
We can create method for it. Simply use it.
我们可以为它创建方法。只需使用它。
public func createBorderForView(color: UIColor, radius: CGFloat, width: CGFloat = 0.7) {
self.layer.borderWidth = width
self.layer.cornerRadius = radius
self.layer.shouldRasterize = false
self.layer.rasterizationScale = 2
self.clipsToBounds = true
self.layer.masksToBounds = true
let cgColor: CGColor = color.cgColor
self.layer.borderColor = cgColor
}
回答by Chathura Jayanaka
swift 3.0
迅捷 3.0
self.uiTextView.layer.borderWidth = 0.5
self.txtItemShortDes.layer.borderColor = UIColor(red:205.0/255.0, green:205.0/255.0, blue:205.0/255.0, alpha: 1.0).cgColor
回答by Ethan Joe
Write the code in your viewDidLoad()
把代码写在你的 viewDidLoad()
self.view.layer.borderColor = anyColor().CGColor
And you can set Colorwith RGB
您可以设置Color与RGB
func anyColor() -> UIColor {
return UIColor(red: 0.0/255.0, green: 0.0/255.0, blue: 0.0/255.0, alpha: 1.0)
}
Learn something about CALayerin UIKit
了解一些关于CALayer在UIKit
回答by Вадим Башуров
Swift 3.0
斯威夫特 3.0
groundTrump.layer.borderColor = UIColor.red.cgColor
