Android Volley获取数据显示乱码的问题

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总共有两种情形:
1:针对stringRequest

RequestQueue mQueue = Volley.newRequestQueue(getApplicationContext());        StringRequest stringRequest = new StringRequest(address,                new Response.Listener<String>() {                    @Override                    public void onResponse(String response) {                        if ("countyCode".equals(type)) {                            if (!TextUtils.isEmpty(response)) {                                String[] array = response.split("\\|");                                if (array != null && array.length == 2) {                                    String weatherCode = array[1];                                    LogUtil.i("WeatherActivity",                                            "-------------->" + weatherCode);                                    queryWeatherInfo(weatherCode);                                }                            }                        } else if ("weatherCode".equals(type)) {                            // 处理服务器返回的天气信息                            Utility.handleWeatherResponse(                                    getApplicationContext(), response);                            runOnUiThread(new Runnable() {                                @Override                                public void run() {                                    // TODO Auto-generated method stub                                    showWeather();                                }                            });                        }                    }                }, new Response.ErrorListener() {            @Override            public void onErrorResponse(VolleyError error) {                runOnUiThread(new Runnable() {                    @Override                    public void run() {                        // TODO Auto-generated method stub                        publishText.setText("同步失败");                    }                });            }        })        {            protected Response<String> parseNetworkResponse(NetworkResponse response){                try {                    String string = new String(response.data, "UTF-8");                    return Response.success(string,                            HttpHeaderParser.parseCacheHeaders(response));                } catch (UnsupportedEncodingException e) {                    return Response.error(new ParseError(e));                } catch (Exception je) {                    return Response.error(new ParseError(je));                }            }        };        mQueue.add(stringRequest);

2:针对objRequest

JsonObjectRequest objRequest = new JsonObjectRequest(Request.Method.GET,url, null,                 new Response.Listener<JSONObject>() {                     @Override                     public void onResponse(JSONObject obj) {                         Log.d("------", obj.toString());                     }                 }, new Response.ErrorListener() {                     @Override                     public void onErrorResponse(VolleyError error) {                         error.getMessage();                     }                 })         {          protected Response<JSONObject>  parseNetworkResponse(NetworkResponse response)          {          JSONObject jsonObject;              try {              jsonObject = new JSONObject(new String(response.data,"UTF-8"));              return Response.success(jsonObject, HttpHeaderParser.parseCacheHeaders(response));              } catch (UnsupportedEncodingException e) {              e.printStackTrace();              return Response.error(new ParseError(e));              } catch (JSONException e) {              e.printStackTrace();              return Response.error(new ParseError(e));              }          }      };         queue.add(objRequest);

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