/*** 发送http请求* @param urlPath 请求路径* @param requestType 请求类型* @param request 请求参数，如果没有参数，则为null* * @return*/public static String sendRequest(String urlPath, String requestType, String request,String tokenid) {URL url = null;HttpURLConnection conn = null;OutputStream os = null;InputStream is = null;String result = null;try {url = new URL(urlPath);conn = (HttpURLConnection)url.openConnection();if (!"".equals(requestType)) {conn.setRequestMethod(requestType);}conn.setDoInput(true);conn.setDoOutput(true);conn.setReadTimeout(10 * 1000);conn.setConnectTimeout(6 * 1000);conn.setRequestProperty("Content-Type", "application/json;charset=utf-8");conn.setRequestProperty("Connection", "keep-alive");conn.setRequestProperty("Content-Length", Integer.toString(request.trim().getBytes().length));if (!"".equals(tokenid)) {conn.setRequestProperty("tokenid", tokenid);}if (request != null && !"".equals(request)) {os = conn.getOutputStream();os.write(request.getBytes());os.flush();}Log.i(TAG,"code="+conn.getResponseCode());if (200 == conn.getResponseCode()) {is = conn.getInputStream();byte[] temp = readStream(is);result = new String(temp);}} catch (MalformedURLException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();} catch (Exception e) {e.printStackTrace();} finally {try {if (is != null) {is.close();}if (os != null) {os.close();}} catch (IOException e) {e.printStackTrace();}}if (result != null) {return result;} else {return null;}}public static byte[] readStream(InputStream is) throws Exception {ByteArrayOutputStream os = new ByteArrayOutputStream();byte[] buffer = new byte[2048];int len = 0;while((len = is.read(buffer)) != -1){os.write(buffer,0,len);}is.close();return os.toByteArray();}