HttpURLConnection

    protected void getHttp(final String path) {
        // TODO Auto-generated method stub
        new Thread() {
            public void run() {
                try {
                    URL url = new URL(path);
                    HttpURLConnection openConnection = (HttpURLConnection) url
                            .openConnection();
                    openConnection.setConnectTimeout(5000);
                    openConnection.setReadTimeout(5000);
                    int responseCode = openConnection.getResponseCode();
                    if (responseCode == 200) {
                        // 获取响应的输入流对象
                        InputStream is = openConnection.getInputStream();
                        // 创建字节输出流对象
                        ByteArrayOutputStream message = new ByteArrayOutputStream();
                        // 定义读取的长度
                        int len = 0;
                        // 定义缓冲区
                        byte buffer[] = new byte[1024];
                        // 按照缓冲区的大小，循环读取
                        while ((len = is.read(buffer)) != -1) {
                            // 根据读取的长度写入到os对象中
                            message.write(buffer, 0, len);
                        }
                        // 释放资源
                        is.close();
                        message.close();
                        // 返回字符串
                       String msg = new String(message.toByteArray());
                        Log.e("tag","获取到的数据为:"+msg);
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }

            ;
        }.start();
    }

Retrofit

public Retrofit getRetrofit(){
        if(build == null){
            //关闭自动重连
            OkHttpClient.Builder builder = new OkHttpClient.Builder()
                    .retryOnConnectionFailure(false);
            //设置66秒超时
            OkHttpClient client = builder.
                    connectTimeout(66, TimeUnit.SECONDS).
                    readTimeout(66, TimeUnit.SECONDS).
                    writeTimeout(66, TimeUnit.SECONDS).build();
            //创建接口IP连接
            build = new Retrofit.Builder()
                    .client(client).baseUrl(ApiConstants.URL_FREE)
                    .addConverterFactory(GsonConverterFactory.create())
                    .build();
        }
        return build;
    }

调用

Call<ResponseBody> responseBodyCall = getRetrofit().create(MainService.class).queryFree_Stream();
               responseBodyCall.enqueue(new Callback<ResponseBody>() {
                   @Override
                   public void onResponse(Call<ResponseBody> call, Response<ResponseBody> response) {
                       try {
                           String result = response.body().string();

                           Log.e("retrofit", "onResponse: "+result);
                       } catch (IOException e) {
                           e.printStackTrace();
                       }
                   }

                   @Override
                   public void onFailure(Call<ResponseBody> call, Throwable t) {

                   }
               });