Reads the pages of an existing PDF file and puts 2 pages from the existing doc into one of the new doc : PDF格式阅读 « PDF格式RTF格式




import java.io.FileOutputStream;



import com.lowagie.text.Document;

import com.lowagie.text.Rectangle;

import com.lowagie.text.pdf.BaseFont;

import com.lowagie.text.pdf.PdfContentByte;

import com.lowagie.text.pdf.PdfImportedPage;

import com.lowagie.text.pdf.PdfReader;

import com.lowagie.text.pdf.PdfWriter;



public class TwoOnOnePDF {

  public static void main(String[] args) {

    System.out.println("");

    try {

      PdfReader reader = new PdfReader("YourOwnPDF.pdf");

      int n = reader.getNumberOfPages();



      Rectangle psize = reader.getPageSize(1);

      float width = psize.height();

      float height = psize.width();



      Document document = new Document(new Rectangle(width, height));

      PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("TwoOnOnePDF.pdf"));

      document.open();



      PdfContentByte cb = writer.getDirectContent();

      document.newPage();

      PdfImportedPage page1 = writer.getImportedPage(reader, 1);

      cb.addTemplate(page1, .5f, 0, 0, .5f, 60, 120);

      

      document.close();

    } catch (Exception de) {

      de.printStackTrace();

    }

  }

}

Reads the pages of an existing PDF file and puts 2 pages from the existing doc into one of the new doc : PDF格式阅读 « PDF格式RTF格式 « Java