PDFBox创建PDF文件

package org.apache.pdfbox.examples.pdmodel;

import java.io.IOException;

import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;

import org.apache.pdfbox.pdmodel.PDPageContentStream;

import org.apache.pdfbox.pdmodel.font.PDFont;
import org.apache.pdfbox.pdmodel.font.PDType1Font;

/**
* Creates a "Hello World" PDF using the built-in Helvetica font.
*
* The example is taken from the PDF file format specification.
*/
public final class HelloWorld
{
private HelloWorld()
{
}

public static void main(String[] args) throws IOException
{
if( args.length != 2 )
{
System.err.println("usage: " + HelloWorld.class.getName() + " <output-file> <Message>");
System.exit(1);
}

String filename = args[0];
String message = args[1];

PDDocument doc = new PDDocument();
try
{
PDPage page = new PDPage();
doc.addPage(page);

PDFont font = PDType1Font.HELVETICA_BOLD;

PDPageContentStream contents = new PDPageContentStream(doc, page);
contents.beginText();
contents.setFont(font, 12);
contents.newLineAtOffset(100, 700);
contents.showText(message);
contents.endText();
contents.close();

doc.save(filename);
}
finally
{
doc.close();
}
}
}