helloworld.java

itext例子

/*
 * $Id: HelloWorld.java 3118 2008-01-31 05:55:47Z xlv $
 * $Name$
 *
 * 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.
 *
 * [e-mail]
 */

package com.lowagie.examples.general;

import java.io.FileOutputStream;
import java.io.IOException;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;

/**
 * Generates a simple 'Hello World' PDF file.
 * 
 * @author blowagie
 */

public class HelloWorld {

	/**
	 * Generates a PDF file with the text 'Hello World'
	 * 
	 * @param args no arguments needed here
	 */
	public static void main(String[] args) {

		System.out.println("Hello World");

		// step 1: creation of a document-object
		Document document = new Document();
		try {
			// step 2:
			// we create a writer that listens to the document
			// and directs a PDF-stream to a file
			PdfWriter.getInstance(document,
					new FileOutputStream("HelloWorld.pdf"));

			// step 3: we open the document
			document.open();
			// step 4: we add a paragraph to the document
			document.add(new Paragraph("Hello World"));
		} catch (DocumentException de) {
			System.err.println(de.getMessage());
		} catch (IOException ioe) {
			System.err.println(ioe.getMessage());
		}

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