okhttp3用法

 private void getData() {
        FormBody.Builder params = new FormBody.Builder();
        params.add("requestNo", "9a90660604524e4e89ab1f51eabc5127");
        params.add("merchantNo", "PP12345678");
        params.add("merchantUserId", "Joey");

        OkHttpClient okHttpClient = new OkHttpClient();
        Request request = new Request.Builder()
                .url("https://www.baidu.com/")
                .post(params.build())
                .build();
        Call call = okHttpClient.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                Log.i("TAG", "失败");
            }

            @Override
            public void onResponse(Call call, okhttp3.Response response) throws IOException {
                //   响应成功  response.body().string() 获取字符串数据，当然还可以获取其他
                String responseStr = response.body().string();
                Log.i("TAG", "成功" + responseStr);
            }
        });
    

okhttp3jar包链接地址：点击打开链接http://download.youkuaiyun.com/detail/qq_29623203/9589007