java实现pdf文件截图的方法【附PDFRenderer.jar下载】

public static boolean createScreenShoot(String source, String target) {
    File file = new File(source);
    if (!file.exists()) {
      System.err.println("路径[" + source + "]对应的pdf文件不存在!");
      return false;
    }
    try{
      RandomAccessFile raf = new RandomAccessFile(file, "r");
      FileChannel channel = raf.getChannel();
      ByteBuffer buf = channel.map(FileChannel.MapMode.READ_ONLY, 0, channel.size());
      PDFFile pdffile = new PDFFile(buf);
      int num = pdffile.getNumPages();
      for(int i = 1; i 

response.setContentType("application/pdf");