您可能想要一个Link对象:

A Link object might be what you want:

            Link lnk = new Link("This is a Text link",
                PdfAction.CreateURI("https://itextpdf.com/"));
            lnk.SetFont(font);
            lnk.GetLinkAnnotation().SetBorder(new PdfAnnotationBorder(0, 0, 0));//Remove the default border
            lnk.GetAccessibilityProperties().SetAlternateDescription("Click here to go to the iText website");
            Paragraph para = new Paragraph();
            para.Add(lnk);
            document.Add(para);