问UITextView中的超链接

EN

NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:@"Google" 
                                                                       attributes:@{ NSLinkAttributeName: [NSURL URLWithString:@"http://www.google.com"] }];
self.textView.attributedText = attributedString;

- (void)viewDidLoad {
    ...
    self.textView.delegate = self; // self must conform to UITextViewDelegate protocol
}

...

- (BOOL)textView:(UITextView *)textView shouldInteractWithURL:(NSURL *)URL inRange:(NSRange)characterRange {
    // Do whatever you want here
    NSLog(@"%@", URL); // URL is an instance of NSURL of the tapped link
    return YES; // Return NO if you don't want iOS to open the link
}

         let htmlData = NSString(string: "go to <a href=\"http://www.google.com\">google</a> and search for it").data(using: String.Encoding.unicode.rawValue)


        let attributedString = try! NSAttributedString(data: htmlData!, options: [NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType], documentAttributes: nil)
        yourUIViewView.isSelectable = true
        yourUIViewView.dataDetectorTypes = .link
        yourUIViewView.attributedText = attributedString
        yourUIViewView.delegate = self

    func textView(_ textView: UITextView, shouldInteractWith URL: URL, in characterRange: NSRange, interaction: UITextItemInteraction) -> Bool {
    
       // check for the url string for performing your own custom actions here
      let urlString = URL.absoluteString
    
       // Return NO if you don't want iOS to open the link
        return true
     }

extension NSAttributedString {
    func replace(placeholder: String, with hyperlink: String, url: String) -> NSAttributedString {
        let mutableAttr = NSMutableAttributedString(attributedString: self)

        let hyperlinkAttr = NSAttributedString(string: hyperlink, attributes: [NSAttributedString.Key.link: URL(string: url)!])

        let placeholderRange = (self.string as NSString).range(of: placeholder)

        mutableAttr.replaceCharacters(in: placeholderRange, with: hyperlinkAttr)
        return mutableAttr
    }
}

//Set through code or through interface builder
footerText.isSelectable = true
footerText.dataDetectorTypes = .link

//Keeps the original formatting from xib or storyboard
footerText.text = "By continuing, you are indicating that you accept our @Terms@ and @Privacy@."
footerText.attributedText = footerText.attributedText?
        .replace(placeholder: "@Terms@", with: "Terms and Conditions", url: AppUrl.terms)
        .replace(placeholder: "@Privacy@", with: "Privacy Policy", url: AppUrl.privacy)