PDFBOX将PDF转图片(PNG背景透明)

public static void main(String[] args) {
String src = "D:/test.pdf";
String dest = "D:/test";
PDDocument doc = null;
try {
doc = PDDocument.load(new File(src));
PDFRenderer render = new PDFRenderer(doc);
int count = doc.getNumberOfPages();
for (int i = 0; i < count; i++) {
//设置图片的分辨率
BufferedImage image = render.renderImageWithDPI(i, 296);
//如果是PNG图片想要背景透明的话使用下面这个
//BufferedImage image = render.renderImageWithDPI(i, 296, ImageType.ARGB);
ImageIO.write(image, "PNG", new File(dest + File.separator + i + ".png"));

}
} catch (IOException e) {
e.printStackTrace();
} finally{
if(doc != null){
doc.close();
}
}
}