private void postAsynHttp() {
    OkHttpClient okHttpClient = new OkHttpClient();
    RequestBody requestBody = new FormBody.Builder().add("typeId","1").add("classKind", "Western").build();
    Request request = new Request.Builder().url("http://193.112.100.126/json/kaoyaoshi/course_classList.php").post(requestBody).build();
    Call call = okHttpClient.newCall(request);
    call.enqueue(new Callback() {
        @Override
        public void onFailure(Call call, IOException e) {

        }

        @Override
        public void onResponse(Call call, Response response) throws IOException {
            String str = response.body().string();
            Log.i("lalalala", str);

            runOnUiThread(new Runnable() {
            @Override
            public void run() {
                    Toast.makeText(getApplicationContext(), "请求成功", Toast.LENGTH_LONG).show();;
                }
            });

        }
    });
}