public void postdata() {

    String url = "http://10.0.2.2:9102/post/scomment";
    //实例化OkHttpClient对象
    OkHttpClient client = new OkHttpClient();
    //创建Post请求
    RequestBody requestBody = new FormBody.Builder()
            //添加数据
            .add("articleId","sub")
            .add("commentContent","添加数据")
            .build();

    //配置请求内容
    Request request = new Request.Builder()
            .url(url)
            .post(requestBody)
            .build();
    okhttp3.Call call = client.newCall(request);
    call.enqueue(new Callback() {
        @Override
        public void onFailure(okhttp3.Call call, IOException e) {

        }

        @Override
        public void onResponse(okhttp3.Call call, Response response) throws IOException {

        }
    });


}