MultipartEntity 上传文件

gistfile1.txt

public static String uploadFileV2(Context context, String RequestURL) throws JSONException
    {
        String BOUNDARY = UUID.randomUUID().toString(); // 边界标识 随机生成
        String CONTENT_TYPE = "multipart/form-data"; // 内容类型

        try
        {
            URL url = new URL(RequestURL);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setReadTimeout(TIME_OUT);
            conn.setConnectTimeout(TIME_OUT);
            conn.setDoInput(true); // 允许输入流
            conn.setDoOutput(true); // 允许输出流
            conn.setUseCaches(false); // 不允许使用缓存
            conn.setRequestMethod("POST"); // 请求方式
            conn.setRequestProperty("Charset", CHARSET); // 设置编码
            conn.setRequestProperty("connection", "keep-alive");
            conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY);

            List<Long> ids = new ArrayList<Long>();
            ids.add(new Long(9812));
            ids.add(new Long(9813));

            List<String> images = new ArrayList<String>();

            images.add("/mnt/sdcard/DCIM/243c07a9eea96259a997e98f7e8ce71e.jpg");
            images.add("/mnt/sdcard/DCIM/1.jpg");

            MultipartEntityBuilder builder = MultipartEntityBuilder.create();
            builder.setBoundary(BOUNDARY);

            if (images.size() > 0)
            {

                for (int i = 0; i < images.size(); i++) {

                    builder.addBinaryBody(ids.get(i).toString(), new File(images.get(i)), ContentType.APPLICATION_OCTET_STREAM, images.get(i));
                }

                builder.build().writeTo(conn.getOutputStream());

                /**
                 * 获取响应码 200=成功 当响应成功，获取响应的流
                 */
                int res = conn.getResponseCode();
                Log.e("uploadUntils", "upload request==>" + res);
                if (res == 200)
                {
                    InputStream input = conn.getInputStream();
                    StringBuffer sb1 = new StringBuffer();
                    int ss;
                    while ((ss = input.read()) != -1)
                    {
                        sb1.append((char) ss);
                    }
                    String result = sb1.toString();

                    JSONObject jsonObject = new JSONObject(result);
                    JSONArray rowsArray = jsonObject.getJSONArray("rows");

                    processResponseData(rowsArray);

                    return SUCCESS;
                }
            }
        }
        catch (MalformedURLException e)
        {
            e.printStackTrace();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        return FAILURE;
    }