Android25图灵聊天项目------HttpURLConnection请求get文本数据

String APIKEY = "开发者注册帐号，激活之后即可获得"; 
     String INFO = URLEncoder.encode("北京今日天气", "utf-8"); 
    String getURL = "http://www.tuling123.com/openapi/api?key=" + APIKEY + "&info=" + INFO; 
    URL getUrl = new URL(getURL); 
    HttpURLConnection connection = (HttpURLConnection) getUrl.openConnection(); 
    connection.connect(); 

    // 取得输入流，并使用Reader读取 
    BufferedReader reader = new BufferedReader(new InputStreamReader( connection.getInputStream(), "utf-8"));
    StringBuffer sb = new StringBuffer(); 
    String line = ""; 
    while ((line = reader.readLine()) != null) { 
        sb.append(line); 
    } 
    reader.close(); 
    // 断开连接 
    connection.disconnect(); 
    System.out.println(sb);