private void getWeixinNews() {

        StringBuilder sb = new StringBuilder();

        try {

            sb.append("?num=").append(10).append("&rand=").append(1).append("&word=").append((URLEncoder.encode("西游记","UTF-8")).toString()).

                    append("&page=").append(1).append("&src=").append((URLEncoder.encode("人民日报","UTF-8")).toString());

        } catch (UnsupportedEncodingException e) {

            e.printStackTrace();

        }

        stringRequest = new StringRequest(Request.Method.GET, "http://apis.baidu.com/txapi/weixin/wxhot"+sb.toString(), new Response.Listener<String>() {

            @Override

            public void onResponse(String response) {

                Log.d("TAG", response);

                parseJson(response);

            }

        }, new Response.ErrorListener() {

            @Override

            public void onErrorResponse(VolleyError error) {

                Log.e("TAG", error.getMessage(), error);

            }

        }) {

            @Override

            public Map<String, String> getHeaders() throws AuthFailureError {

                Map<String, String> headers = new HashMap<String, String>();

                headers.put("Charset", "UTF-8");

                headers.put("Content-Type", "application/x-javascript");

                headers.put("Accept-Encoding", "gzip,deflate");

                headers.put("apikey", "f8072b317a936623251258810df09d4e");

                return headers;

            }

        };

    }

    private void parseJson(String response) {

        Gson gson = new Gson();

        BigWeiXin bigWeiXin = gson.fromJson(response, BigWeiXin.class);

        List<WeiXin> newslist = bigWeiXin.getNewslist();

        for (WeiXin weixin : newslist) {

            Log.d("TAG", "ctime is " + weixin.getCtime());

            Log.d("TAG", "title is " + weixin.getTitle());

            Log.d("TAG", "description is " + weixin.getDescription());

            Log.d("TAG", "picUrl is " + weixin.getPicUrl());

            Log.d("TAG", "url is " + weixin.getUrl());

        }

    }