ios - SwiftUI 可点击的潜台词

Question

当点击文本的某些部分时，SwiftUI 中有什么方法可以打开浏览器。

我尝试了上述解决方案，但它不起作用，因为 onTapGesture返回 View您无法添加到 Text

Text("Some text ").foregroundColor(Color(UIColor.systemGray)) +
Text("clickable subtext")
   .foregroundColor(Color(UIColor.systemBlue))
   .onTapGesture {

   }

我想在正文中有可点击的潜台词，这就是为什么使用 HStack不管用

Answer 1

iOS 15 及更高版本更新:
有一个新的Markdown Text 的格式支持， 如:

Text("Some text [clickable subtext](some url) *italic ending* ")

您可以查看 WWDC session with a timecode详情
iOS 13 和 14 的旧答案:
不幸的是，SwiftUI 中没有任何类似于 NSAttributedString 的东西。你只有几个选择。 In this answer你可以看看如何使用 UIViewRepresentable用于创建老派 UILabel with click event ， 例如。但是 now the only SwiftUI way是使用 HStack :

struct TappablePieceOfText: View {
    
    var body: some View {
        
        HStack(spacing: 0) {
            Text("Go to ")
                .foregroundColor(.gray)

            Text("stack overflow")
                .foregroundColor(.blue)
                .underline()
                .onTapGesture {
                    let url = URL.init(string: "https://stackoverflow.com/")
                    guard let stackOverflowURL = url, UIApplication.shared.canOpenURL(stackOverflowURL) else { return }
                    UIApplication.shared.open(stackOverflowURL)
                }
            
            Text(" and enjoy")
                .foregroundColor(.gray)
        }
        
        
    }
}

更新
添加了 UITextView 的解决方案和 UIViewRepresentable .我结合了添加链接的所有内容，结果非常好，我认为:

import SwiftUI
import UIKit

struct TappablePieceOfText: View {
    
    var body: some View {
        TextLabelWithHyperlink()
            .frame(width: 300, height: 110)
    }
    
}

struct TextLabelWithHyperlink: UIViewRepresentable {
    
    func makeUIView(context: Context) -> UITextView {
        
        let standartTextAttributes: [NSAttributedString.Key : Any] = [
            NSAttributedString.Key.font: UIFont.systemFont(ofSize: 20),
            NSAttributedString.Key.foregroundColor: UIColor.gray
        ]
        
        let attributedText = NSMutableAttributedString(string: "You can go to ")
        attributedText.addAttributes(standartTextAttributes, range: attributedText.range) // check extention
        
        let hyperlinkTextAttributes: [NSAttributedString.Key : Any] = [
            NSAttributedString.Key.font: UIFont.systemFont(ofSize: 20),
            NSAttributedString.Key.foregroundColor: UIColor.blue,
            NSAttributedString.Key.underlineStyle: NSUnderlineStyle.single.rawValue,
            NSAttributedString.Key.link: "https://stackoverflow.com"
        ]
        
        let textWithHyperlink = NSMutableAttributedString(string: "stack overflow site")
        textWithHyperlink.addAttributes(hyperlinkTextAttributes, range: textWithHyperlink.range)
        attributedText.append(textWithHyperlink)
        
        let endOfAttrString = NSMutableAttributedString(string: " end enjoy it using old-school UITextView and UIViewRepresentable")
        endOfAttrString.addAttributes(standartTextAttributes, range: endOfAttrString.range)
        attributedText.append(endOfAttrString)
        
        let textView = UITextView()
        textView.attributedText = attributedText
        
        textView.isEditable = false
        textView.textAlignment = .center
        textView.isSelectable = true
        
        return textView
    }

    func updateUIView(_ uiView: UITextView, context: Context) {}
    
}

HStack 的结果和 Text :
UIViewRepresentable 的结果和 UITextView :

更新 2:
这是一个 NSMutableAttributedString小扩展:

extension NSMutableAttributedString {
    
    var range: NSRange {
        NSRange(location: 0, length: self.length)
    }
    
}