textView添加可点击的富文本

    func configService() {

        let str = "我已阅读并同意《用户服务协议》和《隐私政策》"

        let str1 = "《用户服务协议》"

        let str2 = "《隐私政策》"

        let range1 = (str as NSString).range(of: str1)

        let range2 = (str as NSString).range(of: str2)

        let font = UIFont.systemFont(ofSize: 12)

        let color =  colorLiteral(red: 0.2, green: 0.2, blue: 0.2, alpha: 1)

        let color1 =  colorLiteral(red: 0.8352941176, green: 0.06274509804, blue: 0.0431372549, alpha: 1)

        let att: [NSAttributedStringKey: Any] = [

            .foregroundColor: color,

            .font: font

        ]

        let att1: [NSAttributedStringKey: Any] = [

            .link: "service://",

            .font: font,

            .foregroundColor: color1

        ]

        let att2: [NSAttributedStringKey: Any] = [

            .link: "privacy://",

            .font: font,

            .foregroundColor: color1

        ]

        let attStr = NSMutableAttributedString.init(string: str, attributes: att)

        attStr.addAttributes(att1, range: range1)

        attStr.addAttributes(att2, range: range2)

        textView.attributedText = attStr

        textView.delegate = self

        // 消除超链接原有的字体颜色，此处如不设置，设置的att1颜色可能不会生效

        textView.linkTextAttributes = [:]

        // 此处必须设置为true，否则点击事件会不生效

        textView.isSelectable = true

        // 此处必须设置为false

        textView.isEditable = false

    }

    // UITextViewDelegate

    func textView(_ textView: UITextView, shouldInteractWith URL: URL, in characterRange: NSRange) -> Bool {

        if URL.scheme == "service" {

            print("service点击事件")

        } else if URL.scheme == "privacy" {

            print("privacy点击事件")

        }

        return true

    }