java-pdfbox2.0.14读取pdf文本和图片

package per.qy.dexter.fileoperate;
 
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;
import java.util.UUID;
 
import javax.imageio.ImageIO;
 
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDResources;
import org.apache.pdfbox.pdmodel.encryption.InvalidPasswordException;
import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
import org.apache.pdfbox.text.PDFTextStripper;
import org.junit.Test;
 
public class PdfTest {
 
    @Test
    public void testPdf() {
        String path = "D:\\temp\\temp\\test.pdf";
        File file = new File(path);
        InputStream is = null;
        PDDocument document = null;
        try {
            if (path.endsWith(".pdf")) {
                document = PDDocument.load(file);
                int pageSize = document.getNumberOfPages();
                // 一页一页读取
                for (int i = 0; i < pageSize; i++) {
                    // 文本内容
                    PDFTextStripper stripper = new PDFTextStripper();
                    // 设置按顺序输出
                    stripper.setSortByPosition(true);
                    stripper.setStartPage(i + 1);
                    stripper.setEndPage(i + 1);
                    String text = stripper.getText(document);
                    System.out.println(text.trim());
                    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-");
 
                    // 图片内容
                    PDPage page = document.getPage(i);
                    PDResources resources = page.getResources();
                    Iterable<COSName> cosNames = resources.getXObjectNames();
                    if (cosNames != null) {
                        Iterator<COSName> cosNamesIter = cosNames.iterator();
                        while (cosNamesIter.hasNext()) {
                            COSName cosName = cosNamesIter.next();
                            if (resources.isImageXObject(cosName)) {
                                PDImageXObject Ipdmage = (PDImageXObject) resources.getXObject(cosName);
                                BufferedImage image = Ipdmage.getImage();
                                FileOutputStream out = new FileOutputStream("D:\\temp\\temp\\" + UUID.randomUUID() + ".png");
                                try {
                                    ImageIO.write(image, "png", out);
                                } catch (IOException e) {
                                } finally {
                                    try {
                                        out.close();
                                    } catch (IOException e) {
                                    }
                                }
                            }
                        }
                    }
                }
            }
        } catch (InvalidPasswordException e) {
        } catch (IOException e) {
        } finally {
            try {
                if (document != null) {
                    document.close();
                }
                if (is != null) {
                    is.close();
                }
            } catch (IOException e) {
            }
        }
    }
    
}