上传带图片的Http请求

/*** 上传带图片的http请求* * @param murl网址* @param map*            参数对 主要不要包括图片* @param path*            图片路径 也可以是其他格式 自行做* @return* @throws Exception*/static public String post(String murl, HashMap<String, String> map,String path) throws Exception {File file = new File(path);String filename = path.substring(path.lastIndexOf("/"));// String filename = Str.md5(path);StringBuilder sb = new StringBuilder();if (null != map) {for (Map.Entry<String, String> entry : map.entrySet()) {sb.append("--" + BOUNDARY + "\r\n");sb.append("Content-Disposition: form-data; name=\""+ entry.getKey() + "\"" + "\r\n");sb.append("\r\n");sb.append(entry.getValue() + "\r\n");}}sb.append("--" + BOUNDARY + "\r\n");sb.append("Content-Disposition: form-data; name=\"image\"; filename=\""+ filename + "\"" + "\r\n");sb.append("Content-Type: image/pjpeg" + "\r\n");sb.append("\r\n");byte[] before = sb.toString().getBytes("UTF-8");byte[] after = ("\r\n--" + BOUNDARY + "--\r\n").getBytes("UTF-8");URL url = new URL(murl);HttpURLConnection conn = (HttpURLConnection) url.openConnection();conn.setRequestMethod("POST");conn.setRequestProperty("Content-Type","multipart/form-data; boundary=" + BOUNDARY);conn.setRequestProperty("Authorization","Bearer " + Douban.getAccessToken());conn.setRequestProperty("Content-Length",String.valueOf(before.length + file.length() + after.length));conn.setRequestProperty("HOST", url.getHost());conn.setDoOutput(true);OutputStream out = conn.getOutputStream();InputStream in = new FileInputStream(file);out.write(before);byte[] buf = new byte[1024];int len;while ((len = in.read(buf)) != -1)out.write(buf, 0, len);out.write(after);in.close();out.close();MLog.e(inputStream2String(conn.getInputStream()) + "");return conn.getContent().toString();}/*** is转String* * @param in* @return* @throws IOException*/public static String inputStream2String(InputStream in) throws IOException {StringBuffer out = new StringBuffer();byte[] b = new byte[4096];for (int n; (n = in.read(b)) != -1;) {out.append(new String(b, 0, n));}return out.toString();}