android 获取天气信息，解决了乱码的问题

android 获取天气信息，解决了乱码的问题

private static String getWeatherInfo3() {    try {        URL url = new URL("http://www.weather.com.cn/data/cityinfo/101060101.html");        HttpURLConnection conn = (HttpURLConnection) url.openConnection();        StringBuffer sb = new StringBuffer();        InputStreamReader input = new InputStreamReader(conn.getInputStream(),"utf-8");        Scanner inputStream = new Scanner(input);        while (inputStream.hasNext()){            sb.append(inputStream.nextLine());        }        System.out.println("weather3:"+sb.toString());        return sb.toString();    } catch (MalformedURLException e) {        e.printStackTrace();    } catch (IOException e) {        e.printStackTrace();    }    return null;}