goto_2

PDF动作示例

最新推荐文章于 2021-01-13 05:27:29 发布

原创最新推荐文章于 2021-01-13 05:27:29 发布 · 1.2k 阅读

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#import #exception #action #string #class

本文介绍了一个使用iText库创建PDF文档的例子，展示了如何在PDF中实现跳转到本地页面、远程文档的动作。通过设置不同类型的PdfAction，可以实现在文档内部及跨文档之间的导航。

/*
 * $Id: Actions.java,v 1.4 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.io.FileOutputStream;

import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfAction;
import com.lowagie.text.pdf.PdfDestination;
import com.lowagie.text.pdf.PdfWriter;

/**
 * Creates a document with some goto actions.
 * 
 * @author blowagie
 */

public class Actions {

	/**
	 * Creates a document with some goto actions.
	 * 
	 * @param args
	 *            no arguments needed
	 */
	public static void main(String[] args) {

		System.out.println("Actions");

		// step 1: creation of a document-object
		Document document = new Document();
		Document remote = new Document();
		try {

			// step 2:
			PdfWriter writer = PdfWriter.getInstance(document,
					new FileOutputStream("Actions.pdf"));
			PdfWriter.getInstance(remote, new FileOutputStream("remote.pdf"));
			// step 3:
			document.open();
			remote.open();
			// step 4: we add some content
			PdfAction action = PdfAction.gotoLocalPage(2, new PdfDestination(
					PdfDestination.XYZ, -1, 10000, 0), writer);
			writer.setOpenAction(action);
			document.add(new Paragraph("Page 1"));
			document.newPage();
			document.add(new Paragraph("Page 2"));
			document.add(new Chunk("goto page 1").setAction(PdfAction
					.gotoLocalPage(1, new PdfDestination(PdfDestination.FITH,
							500), writer)));
			document.add(Chunk.NEWLINE);
			document.add(new Chunk("goto another document").setAction(PdfAction
					.gotoRemotePage("remote.pdf", "test", false, true)));
			remote.add(new Paragraph("Some remote document"));
			remote.newPage();
			Paragraph p = new Paragraph("This paragraph contains a ");
			p.add(new Chunk("local destination").setLocalDestination("test"));
			remote.add(p);
		} catch (Exception de) {
			de.printStackTrace();
		}

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