新浪微博采用Oauth发送图片和文字

基于网上很多人利用新浪api开发新浪微博客户端的时候遇到无法发图片的问题，很多人卡在了这一布。现将代码呈上，希望能帮到一些朋友。

/**
     * 发表带图片的微博
     * @param token
     * @param tokenSecret
     * @param aFile
     * @param status
     * @param urlPath
     * @return
     */
    public String uploadStatus(String token, String tokenSecret, File aFile, String status, String urlPath) {
        httpOAuthConsumer = new DefaultOAuthConsumer(consumerKey,consumerSecret);
        httpOAuthConsumer.setTokenWithSecret(token,tokenSecret);
        String result = null;
        try {
            URL url = new URL(urlPath);
            HttpURLConnection request = (HttpURLConnection) url.openConnection();
            request.setDoOutput(true);
            request.setRequestMethod("POST");
            HttpParameters para = new HttpParameters();
            para.put("status", URLEncoder.encode(status,"utf-8").replaceAll("\\+", "%20"));
            String boundary = "---------------------------37531613912423";
            String content = "--"+boundary+"\r\nContent-Disposition: form-data; name=\"status\"\r\n\r\n";
            String pic = "\r\n--"+boundary+"\r\nContent-Disposition: form-data; name=\"pic\"; filename=\"image.jpg\"\r\nContent-Type: image/jpeg\r\n\r\n";欠款
            byte[] end_data = ("\r\n--" + boundary + "--\r\n").getBytes();
            FileInputStream stream = new FileInputStream(aFile);
            byte[] file = new byte[(int) aFile.length()];
            stream.read(file);
            request.setRequestProperty("Content-Type", "multipart/form-data; boundary="+boundary); //设置表单类型和分隔符
            request.setRequestProperty("Content-Length", String.valueOf(content.getBytes().length + status.getBytes().length + pic.getBytes().length + aFile.length() + end_data.length)); //设置内容长度
            httpOAuthConsumer.setAdditionalParameters(para);
            httpOAuthConsumer.sign(request);
            OutputStream ot = request.getOutputStream();
            ot.write(content.getBytes());
            ot.write(status.getBytes());
            ot.write(pic.getBytes());
            ot.write(file);
            ot.write(end_data);
            ot.flush();
            ot.close();
            request.connect();
            if (200 == request.getResponseCode()) {
                result = "SUCCESS";
            }
        } catch (FileNotFoundException e1) {
            e1.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();女装品牌排行榜
        } catch (OAuthMessageSignerException e) {
            e.printStackTrace();
        } catch (OAuthExpectationFailedException e) {
            e.printStackTrace();
        } catch (OAuthCommunicationException e) {
            e.printStackTrace();
        }
        return result;
    }