Java代码实现批量图片转PDF

public static void main(String[] args) {
         String imagePath = "E:/aaaaa/1.jpg;E:/aaaaa/2.jpg;E:/aaaaa/4.jpg;E:/aaaaa/6.jpg;E:/aaaaa/9.jpg;E:/aaaaa/8.jpg";
         String pdfPath = "E:/test.pdf";
         jpg2pdf(imagePath,pdfPath);
      }



      public static int jpg2pdf(String fromPath,String toSource){
         String[] fromPaths = fromPath.split(";");
         try {
            BufferedImage[] imgs = new BufferedImage[fromPaths.length];
            FileOutputStream fos = new FileOutputStream(toSource);
            int i = 0;
            for(String s : fromPaths) {
               imgs[i] =ImageIO.read(new File(s));
               i++;
            }
            Document doc = new Document(null, 0, 0, 0, 0);
            for(BufferedImage b : imgs) {
               doc.setPageSize(new Rectangle(b.getWidth(), b.getHeight()));
            }
            Image[] images = new Image[fromPaths.length];
            int j = 0;
            for(String s : fromPaths) {
               images[j] = Image.getInstance(s);
               j++;
            }
            PdfWriter.getInstance(doc, fos);
            doc.open();