java后端请求调用三方接口

java后端请求调用三方接口

/**
 * @param serverURL http接口地址（例：http://www.iwsu.top:8016/dataSyn/bay/statsCar）
 * @param parm 参数（可以是json，也可以是json数组）
 */
public void doRestfulPostBody(String serverURL, JSONArray parm) {
    System.out.println("请求的地址 =" + serverURL);
    String result= "";

    System.out.println("提交的数据 ="+parm);
    try {

        StringBuffer sbf = new StringBuffer();
        String strRead = null;
        URL url = new URL(serverURL);
        HttpURLConnection connection = (HttpURLConnection)url.openConnection();
        connection.setRequestMethod("POST");//请求post方式
        connection.setDoInput(true);
        connection.setDoOutput(true);
        //header内的的参数在这里set
        connection.setRequestProperty("Content-Type", "application/json");
//			connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
//			connection.setRequestProperty("Cookie", Cookie);

        connection.connect();
        OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream(),"UTF-8");

        //body参数在这里put到JSONObject中
        writer.write(parm.toString());
        writer.flush();
        InputStream is = connection.getInputStream();
        BufferedReader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
        while ((strRead = reader.readLine()) != null) {
            sbf.append(strRead);
            sbf.append("\r\n");
        }
        reader.close();
        connection.disconnect();
        result = sbf.toString();
        System.out.println("返回的数据 ="+result);

    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}