HttpURLConnection网络解析

//HttpURLConnection解析文字
public static String getNetJson(String urlString) {
try {
//url对象封装接口字符串 urlString解析的gson的地址
URL url = new URL(urlString);
//用url打开连接, 返回值我们用HttpURLConnection
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
urlConnection.setConnectTimeout(8000);
int responseCode = urlConnection.getResponseCode(); //获取状态码

/** 200网络请求成功  300重定向  400客户端请求失败  500服务端请求失败*/
        if (responseCode == 200) {
            InputStream inputStream = urlConnection.getInputStream();
            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
            //可拼接的字符串
            StringBuilder stringBuilder = new StringBuilder();
            String temp = "";
            while ((temp = bufferedReader.readLine()) != null) {
                stringBuilder.append(temp);

            }
            String jsonString = stringBuilder.toString();
            return jsonString;
        } else {
            Log.e("gs_responseCode",responseCode+"");

        }


    } catch (MalformedURLException e) {
        e.printStackTrace();
        Log.e(tag, "getNetJson: " + e.toString());
    } catch (IOException e) {
        e.printStackTrace();
        Log.e(tag, "getNetJson: " + e.toString());
    }
    Log.e(tag, "我返回的json是空字符串");
    return "";
}

/**
* 获取网络图片
*
* @param urlString
* @return
*/
public static Bitmap getNetBitmap(String urlString) {
try {
URL url = new URL(urlString);
HttpURLConnection httpurlConnection = (HttpURLConnection) url.openConnection();
httpurlConnection.setConnectTimeout(8000);//设置链接超时时间
int responseCode = httpurlConnection.getResponseCode();

        if (responseCode == 200) {
            InputStream inputStream = httpurlConnection.getInputStream();
            //BitmapFactory:  android提供好的加工图片的工具类,
            Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
            return bitmap;
        } else {
            //do nothing
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
        Log.e(tag, "getNetBitmap: " + e.toString());
    } catch (IOException e) {
        e.printStackTrace();
        Log.e(tag, "getNetBitmap: " + e.toString());
    }
    return null;
}