问iOS Swift:如何在WKWebView中访问选定文本

EN

let generalPasteboard = UIPasteboard.general

override func viewDidLoad() {
    super.viewDidLoad()

    // https://stackoverflow.com/questions/35711080/how-can-i-edit-the-text-copied-into-uipasteboard
    NotificationCenter.default.addObserver(self, selector: #selector(pasteboardChanged(_:)), name: UIPasteboard.changedNotification, object: generalPasteboard)
}

override func viewDidDisappear(_ animated: Bool) {
    NotificationCenter.default.removeObserver(UIPasteboard.changedNotification)
    super.viewDidDisappear(animated)
}    

@objc
func pasteboardChanged(_ notification: Notification) {
    print("Pasteboard has been changed")
    if let data = generalPasteboard.data(forPasteboardType: kUTTypeHTML as String) {
        let dataStr = String(data: data, encoding: .ascii)!
        print("data str = \(dataStr)")
    }
}

import MobileCoreServices

let rtfdStringType = "com.apple.flat-rtfd"

// Get the last copied data in the pasteboard as RTFD
if let data = pasteboard.data(forPasteboardType: rtfdStringType) {
    do {
        print("rtfd data str = \(String(data: data, encoding: .ascii) ?? "")")
        // Convert rtfd data to attributedString
        let attStr = try NSAttributedString(data: data, options: [NSAttributedString.DocumentReadingOptionKey.documentType: NSAttributedString.DocumentType.rtfd], documentAttributes: nil)

        // Insert it into textview
        print("attr str = \(attStr)")
        copiedTextView.attributedText = attStr
    }
    catch {
        print("Couldn't convert pasted rtfd")
    }
}