爪哇咖啡屋 : [轉貼]Java PDF parser PDFBox

Usage: java org.pdfbox.ExtractText [OPTIONS] <PDF file> [Text File]
-password  <password>Password to decrypt document
-encoding <output encoding> (ISO-8859-1,UTF-16BE,UTF-16LE,...)
-console Send text to console instead of file
-html Output in HTML format instead of raw text
-sort Sort the text before writing
-startPage <number> The first page to start extraction(1 based)
-endPage <number> The last page to extract(inclusive)<PDF file>
The PDF document to use[Text File]
The file to write the text to

//-- Main.java --
import org.pdfbox.pdmodel.PDDocument;
import org.pdfbox.util.PDFTextStripper;
public class Main {
       public static void main(String[] args) throws Exception {
              PDDocument doc = PDDocument.load("test.pdf");
              PDFTextStripper stripper = new PDFTextStripper();
              System.out.println(stripper.getText(doc));
       }
}

Usage: java org.pdfbox.PDFToImage [OPTIONS] <PDF file>-password  <password>
Password to decrypt document
-imageType <image type>        (BMP,bmp,jpg,JPG,wbmp,jpeg,png,PNG,JPEG,WBMP,GIF,gif)
-outputPrefix <output prefix>  Filename prefix for image files
-startPage <number>          The first page to start extraction(1 based)
-endPage <number>            The last page to extract(inclusive)<PDF file>
The PDF document to

//-- Main.java --
import java.awt.image.BufferedImage;
import java.io.File;
import java.util.Iterator;
import java.util.List;
import javax.imageio.IIOException;
import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.stream.ImageOutputStream;
import org.pdfbox.pdmodel.PDDocument;
import org.pdfbox.pdmodel.PDPage;

public class Main {
  public static void main(String[] args) throws Exception {
    PDDocument doc = PDDocument.load("test.pdf");
    List pages = doc.getDocumentCatalog().getAllPages();
    Iterator iter = pages.iterator();
    while (iter.hasNext()) {
      PDPage page = (PDPage) iter.next();
      BufferedImage image = page.convertToImage();
      File file = File.createTempFile("test_", ".jpg");
      System.out.println(file);
      ImageOutputStream output = ImageIO.createImageOutputStream(file);
      try {
        boolean foundWriter = false;
        Iterator writerIter = ImageIO.getImageWritersByFormatName("jpg");
        while (writerIter.hasNext() && !foundWriter) {
          try {
            ImageWriter imageWriter = (ImageWriter) writerIter.next();
            try {
              ImageWriteParam writerParams = imageWriter.getDefaultWriteParam();
              if (writerParams.canWriteCompressed()) {
                writerParams.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
                writerParams.setCompressionQuality(1.0f);
              }
              imageWriter.setOutput(output);
              imageWriter.write(null, new IIOImage(image, null, null), writerParams);
              foundWriter = true;
            }
            finally {
              imageWriter.dispose();
            }
          } catch (IIOException io) {
            io.printStackTrace();
          }
        }
      } finally {
        output.close();
      }
    }
  }
}