问图像上传(Filepath) - JSP

EN

private void processlist(HttpServletRequest request, 
    HttpServletResponse response) {
        boolean isMultipart = ServletFileUpload.isMultipartContent(request);
        if (!isMultipart) {
        } else {
            FileItemFactory factory = new DiskFileItemFactory();
            ServletFileUpload upload = new ServletFileUpload(factory);
            List items = null;
            try {
                items = upload.parseRequest(request);
            } catch (FileUploadException e) {
                e.printStackTrace();
            }
            Iterator itr = items.iterator();
            while (itr.hasNext()) {
                FileItem item = (FileItem) itr.next();
                if (item.isFormField()) {
                } else {
                    try {
                        String itemName = item.getName();


                        BufferedImage img = null;
                        try {
                            img = ImageIO.read(new File(itemName));
                        } catch (IOException e) {
                        }

                        String IMGUR_POST_URI = "https://api.imgur.com/3/upload";
                        String IMGUR_API_KEY = "mykeyyyyyyyyyyyy";
                        String projectname = "";
                        try {
                            ByteArrayOutputStream baos = new ByteArrayOutputStream();
                            System.out.println("Writing image...");
                            ImageIO.write(img, "png", baos);
                            URL url = new URL(IMGUR_POST_URI);

                            System.out.println("Encoding...");
                            String data = URLEncoder.encode("image", "UTF-8") + "=" + URLEncoder
                                    .encode(Base64.encodeBase64String(baos.toByteArray()).toString(), "UTF-8");
                            data += "&" + URLEncoder.encode("key", "UTF-8") + "="
                                    + URLEncoder.encode(IMGUR_API_KEY, "UTF-8");

                            System.out.println("Connecting...");
                            URLConnection conn = url.openConnection();
                            conn.setDoOutput(true);
                            conn.setDoInput(true);
                            conn.setRequestProperty("Authorization", "Client-ID " + IMGUR_API_KEY);
                            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

                            OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());

                            System.out.println("Sending data...");
                            wr.write(data);
                            wr.flush();

                            System.out.println("Finished.");

                            // just display the raw response
                            BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                            String line;
                            while ((line = in.readLine()) != null) {
                                JSONObject jObject = new JSONObject(line);
                                JSONObject data1 = jObject.getJSONObject("data");
                                projectname = data1.getString("link");
                                if (flagAccessed == false) {
                                    img1 = projectname;
                                } else {
                                    img2 = projectname;
                                }
                                System.out.print(projectname);

<form action="UploadServlet" method="post" enctype="multipart/form-data" name="form1" id="form1" style="text-align:center;display:inline;">
<table border="1" style="text-align:center;">
                        <td><center>
                                Select image1: <input name="file" type="file" id="file" class="btn btn-dark btn-lg12">
                            </center></td>
                    </tr>

                    <tr>
                        <td><center>
                                Select image2: <input name="file" type="file" id="file" class="btn btn-dark btn-lg12">
                            </center></td>
                    </tr>
                    <tr>
                        <td align="center" style="margin-top: 5px;"></td>
                    </tr>

                </table>


            <br>
            <br>
            <input type="submit" name="Submit" value="Submit files" class="btn btn-dark btn-lg"/>

            </form>