java jsp servlet fileupload上传图片时获取上传图片尺寸（宽高）的代码

java jsp servlet fileupload上传图片时获取上传图片尺寸（宽高）的代码

Java代码

1. DiskFileItemFactory factory = new DiskFileItemFactory();
2. ServletFileUpload upload = new ServletFileUpload(factory);
4. List items = upload.parseRequest(request);
5. Iterator iter = items.iterator();
6. while (iter.hasNext()) {
7. if (!item.isFormField()) {
8. BufferedImage img = javax.imageio.ImageIO.read(item.getInputStream());
9. img.getWidth()//获取宽
10. img.getHeight()//获取高
11. }
12. }