TA貢獻(xiàn)1830條經(jīng)驗 獲得超3個贊
1.8。*版本的解決方案：
PDDocument document = PDDocument.loadNonSeq(new File(pdfFilename), null);List<PDPage> pdPages = document.getDocumentCatalog().getAllPages();int page = 0;for (PDPage pdPage : pdPages){
++page;
BufferedImage bim = pdPage.convertToImage(BufferedImage.TYPE_INT_RGB, 300);
ImageIOUtil.writeImage(bim, pdfFilename + "-" + page + ".png", 300);}document.close();在構(gòu)建之前，不要忘記閱讀1.8依賴項頁面。
2.0版本的解決方案：
PDDocument document = PDDocument.load(new File(pdfFilename));PDFRenderer pdfRenderer = new PDFRenderer(document);for (int page = 0; page < document.getNumberOfPages(); ++page){
BufferedImage bim = pdfRenderer.renderImageWithDPI(page, 300, ImageType.RGB);
// suffix in filename will be used as the file format
ImageIOUtil.writeImage(bim, pdfFilename + "-" + (page+1) + ".png", 300);}document.close();ImageIOUtil類位于單獨(dú)的下載/工件（pdf-tools）中。在進(jìn)行構(gòu)建之前，請閱讀2.0依賴關(guān)系頁面，您將需要額外的帶有jbig2圖像的PDF文件，用于保存到tiff圖像以及讀取加密文件。
確保使用您正在使用的任何JDK版本的最新版本，即如果您使用的是jdk8，則不要使用版本1.8.0_5，請使用1.8.0_191或您閱讀時的最新版本。早期版本非常慢。
TA貢獻(xiàn)1825條經(jīng)驗 獲得超6個贊
public class PDFtoJPGConverter {
public List<File> convertPdfToImage(File file, String destination) throws Exception {
File destinationFile = new File(destination);
if (!destinationFile.exists()) {
destinationFile.mkdir();
System.out.println("DESTINATION FOLDER CREATED -> " + destinationFile.getAbsolutePath());
}else if(destinationFile.exists()){
System.out.println("DESTINATION FOLDER ALLREADY CREATED!!!");
}else{
System.out.println("DESTINATION FOLDER NOT CREATED!!!");
}
if (file.exists()) {
PDDocument doc = PDDocument.load(file);
PDFRenderer renderer = new PDFRenderer(doc);
List<File> fileList = new ArrayList<File>();
String fileName = file.getName().replace(".pdf", "");
System.out.println("CONVERTER START.....");
for (int i = 0; i < doc.getNumberOfPages(); i++) {
// default image files path: original file path
// if necessary, file.getParent() + "/" => another path
File fileTemp = new File(destination + fileName + "_" + i + ".jpg"); // jpg or png
BufferedImage image = renderer.renderImageWithDPI(i, 200);
// 200 is sample dots per inch.
// if necessary, change 200 into another integer.
ImageIO.write(image, "JPEG", fileTemp); // JPEG or PNG
fileList.add(fileTemp);
}
doc.close();
System.out.println("CONVERTER STOPTED.....");
System.out.println("IMAGE SAVED AT -> " + destinationFile.getAbsolutePath());
return fileList;
} else {
System.err.println(file.getName() + " FILE DOES NOT EXIST");
}
return null;
}
public static void main(String[] args) {
try {
PDFtoJPGConverter converter = new PDFtoJPGConverter();
Scanner sc = new Scanner(System.in);
System.out.print("Enter your destination folder where save image \n");
// Destination = D:/PPL/;
String destination = sc.nextLine();
System.out.print("Enter your selected pdf files name with source folder \n");
String sourcePathWithFileName = sc.nextLine();
// Source Path = D:/PDF/ant.pdf,D:/PDF/abc.pdf,D:/PDF/xyz.pdf
if (sourcePathWithFileName != null || sourcePathWithFileName != "") {
String[] files = sourcePathWithFileName.split(",");
for (String file : files) {
File pdf = new File(file);
System.out.print("FILE:>> "+ pdf);
converter.convertPdfToImage(pdf, destination);
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
}}====================================
在這里，我使用Apache pdfbox-2.0.8，commons-logging-1.2和fontbox-2.0.8 Library
快樂編碼:)
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