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最新推荐文章于 2024-12-06 07:30:00 发布

原创最新推荐文章于 2024-12-06 07:30:00 发布 · 1k 阅读

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#import #reference #object #website #string #class

本文演示了如何使用iText库中的Anchor对象创建PDF文档中的链接和书签。通过具体代码实例介绍了如何添加指向外部网站的链接及文档内部跳转的锚点。

/*
 * $Id: AHref.java,v 1.5 2005/05/09 11:52:44 blowagie Exp $
 * $Name:  $
 *
 * This code is part of the 'iText Tutorial'.
 * You can find the complete tutorial at the following address:
 * http://itextdocs.lowagie.com/tutorial/
 *
 * This code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * itext-questions@lists.sourceforge.net
 */

package com.lowagie.examples.objects.anchors;

import java.awt.Color;
import java.io.FileOutputStream;
import java.io.IOException;

import com.lowagie.text.Anchor;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Font;
import com.lowagie.text.FontFactory;
import com.lowagie.text.Paragraph;
import com.lowagie.text.html.HtmlWriter;
import com.lowagie.text.pdf.PdfWriter;

/**
 * Demonstrates how the Anchor object works.
 * 
 * @author blowagie
 */

public class AHref {

	/**
	 * Demonstrates some Anchor functionality.
	 * 
	 * @param args no arguments needed here
	 */
	public static void main(String[] args) {

		System.out.println("the Anchor object");

		// step 1: creation of a document-object
		Document document = new Document();
		try {
            // step 2:
            PdfWriter.getInstance(document, new FileOutputStream("AHref.pdf"));
            HtmlWriter.getInstance(document, new FileOutputStream("AHref.html"));
            
            // step 3: we open the document
            document.open();
            
            // step 4:
            Paragraph paragraph = new Paragraph("Please visit my ");
            Anchor anchor1 = new Anchor("website (external reference)", FontFactory.getFont(FontFactory.HELVETICA, 12, Font.UNDERLINE, new Color(0, 0, 255)));
            anchor1.setReference("http://www.lowagie.com/iText/");
            anchor1.setName("top");
            paragraph.add(anchor1);
            paragraph.add(new Chunk("./n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n/n"));
            document.add(paragraph);
            Anchor anchor2 = new Anchor("please jump to a local destination", FontFactory.getFont(FontFactory.HELVETICA, 12, Font.NORMAL, new Color(0, 0, 255)));
            anchor2.setReference("#top");
            document.add(anchor2);
		} catch (DocumentException de) {
			System.err.println(de.getMessage());
		} catch (IOException ioe) {
			System.err.println(ioe.getMessage());
		}

		// step 5: we close the document
		document.close();
	}
}