以POST方式发送

URL url = null;

String inputLine = null;

HttpURLConnection httpurlconnection = null;

try {

//取上级电警平台的url

url = new URL(ConfigManager.getInstance().getConfigItem("urlDJ", ""));

httpurlconnection = (HttpURLConnection) url.openConnection();

httpurlconnection.setRequestProperty("Content-Type","application/json; charset=UTF-8");

httpurlconnection.setRequestMethod("POST");

httpurlconnection.setConnectTimeout(500000);

httpurlconnection.setDoOutput(true);

httpurlconnection.setDoInput(true);

httpurlconnection.setUseCaches(false);

httpurlconnection.getOutputStream().write(json.toString().getBytes());

httpurlconnection.getOutputStream().flush();

httpurlconnection.getOutputStream().close();

//            int code = httpurlconnection.getResponseCode();

inputLine = readContents(httpurlconnection);

} catch (Exception e) {

e.printStackTrace();

} finally {

if (httpurlconnection != null)

httpurlconnection.disconnect();

}

InterfaceLogger.info("调用上级电警平台获取设备状态接口的返回值inputLine：" + inputLine);

return inputLine;