Swift 3 xcode storyboard，给UIView添加box-shadow，就像CSS样式的box-shadow
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Swift 3 xcode storyboard, add box-shadow to UIView, like a CSS style box-shadow
提问by Thomas Charlesworth
As you can see, I would like to add a shadow around the edges of each UIView in the cells as white on gray hard to see it's borders clearly.
正如您所看到的，我想在单元格中每个 UIView 的边缘周围添加一个阴影，因为灰底白字很难清楚地看到它的边界。
回答by Bhautik Ziniya
Set your view's shadow properties to add a shadow.
设置视图的阴影属性以添加阴影。
SWIFT 3
斯威夫特 3
YourView.layer.shadowOpacity = 0.7
YourView.layer.shadowOffset = CGSize(width: 3, height: 3)
YourView.layer.shadowRadius = 15.0
YourView.layer.shadowColor = UIColor.darkGray.cgColor
NOTE:replace YourView with the view you want shadow.
注意：用你想要阴影的视图替换 YourView。
回答by Pineapple3D
here is my approach to this:
这是我的方法：
You create a new class called ShadowView.
您创建了一个名为 的新类ShadowView。
import UIKit
@IBDesignable
class ShadowView: UIView {
//Shadow
@IBInspectable var shadowColor: UIColor = UIColor.black {
didSet {
self.updateView()
}
}
@IBInspectable var shadowOpacity: Float = 0.5 {
didSet {
self.updateView()
}
}
@IBInspectable var shadowOffset: CGSize = CGSize(width: 3, height: 3) {
didSet {
self.updateView()
}
}
@IBInspectable var shadowRadius: CGFloat = 15.0 {
didSet {
self.updateView()
}
}
//Apply params
func updateView() {
self.layer.shadowColor = self.shadowColor.cgColor
self.layer.shadowOpacity = self.shadowOpacity
self.layer.shadowOffset = self.shadowOffset
self.layer.shadowRadius = self.shadowRadius
}
}
Then you can apply this class for you view in the storyboard like:
然后你可以应用这个类在故事板中查看，如：
Now you can edit the values in the attributes inspector:
现在您可以在属性检查器中编辑值：
回答by Chanchal Warde
You can select opacity as you want.
您可以根据需要选择不透明度。
override func awakeFromNib()
{
super.awakeFromNib()
self.viewContainer.layer.shadowOffset = CGSize(width: 0, height: 1) // CGSizeMake(0, 1)
self.viewContainer.layer.shadowColor = UIColor.black.cgColor
self.viewContainer.layer.shadowRadius = 1.5
self.viewContainer.layer.shadowOpacity = 0.65
self.viewContainer.layer.cornerRadius = 1
self.viewContainer.clipsToBounds = true
self.viewContainer.layer.masksToBounds = false
self.layer.masksToBounds = false
}
