/** 新浪天氣網址 */
public final String SINA_URL = "http://php.weather.sina.com.cn/xml.php";
/** 新浪天氣XML調用密碼 */
public final String PASSWORD = "DJOYnieT8234jlsK";
/** 城市 */
public String city;
/** 白天天氣 */
public String status1;
/** 夜晚天氣 */
public String status2;
/** 白天天氣 拼音 */
public String figure1;
/** 夜晚天氣拼音 */
public String figure2;
/** 白天風向 */
public String direction1;
/** 夜晚風向 */
public String direction2;
/** 白天風級 */
public String power1;
/** 夜晚風級 */
public String power2;
/** 白天溫度 */
public String temperature1;
/** 夜晚溫度 */
public String temperature2;
/** 體感溫度 */
public String tgd;
/** 紫外線指數 */
public String zwx_l;
/** 紫外線說明 */
public String zwx_s;
/** 體感度指數 */
public String ssd_l;
/** 體感度說明 */
public String ssd_s;
/** 空調指數 */
public String ktk_l;
/** 空調說明 */
public String ktk_s;
/** 洗車指數 */
public String xcz_l;
/** 洗車說明 */
public String xcz_s;
/** 穿衣指數 */
public String chy_l;
/** 穿衣說明 */
public String chy_shuoming;
/** 污染物擴散條件 */
public String pollution_l;
/** 污染物擴散條件說明 */
public String pollution_s;
/** 感冒指數 */
public String gm_l;
/** 感冒說明 */
public String gm_s;
/** 運動指數 */
public String yd_l;
/** 運動說明 */
public String yd_s;

/**
* 更新天氣
* 
* @param city
*   城市名
* @param day
*   0表示當天天氣，1表示第二天的天氣，2表示第三天的天氣，以此類推，最大為4
*/
public void UpdateWeatherInfo(String city, String day) {
  if (city.equals("")) {
   isLoaded = false;
   return;
  }
  String html = null;
  try {
   html = doGet(SINA_URL + "?city="
     + java.net.URLEncoder.encode(city, "gb2312") + "&password="
     + PASSWORD + "&day=" + day);
   Document doc = Jsoup.parse(html);
   if (doc.body().getElementsByTag("Profiles").size() == 0) {
    isLoaded = false;
    return;
   }
   if (doc.body().getElementsByTag("Profiles").get(0).getElementsByTag("Weather").size() == 0) {
    isLoaded = false;
    return;
   }
   Element element = doc.body().getElementsByTag("Profiles").get(0)
     .getElementsByTag("Weather").get(0);
   this.city = element.getElementsByTag("city").text();
   status1 = element.getElementsByTag("status1").text();
   status2 = element.getElementsByTag("status2").text();
   figure1 = element.getElementsByTag("figure1").text();
   figure2 = element.getElementsByTag("figure2").text();
   direction1 = element.getElementsByTag("direction1").text();
   direction2 = element.getElementsByTag("direction2").text();
   power1 = element.getElementsByTag("power1").text();
   power2 = element.getElementsByTag("power2").text();
   temperature1 = element.getElementsByTag("temperature1").text();
   temperature2 = element.getElementsByTag("temperature2").text();
   tgd = element.getElementsByTag("tgd").text();
   zwx_l = element.getElementsByTag("zwx_l").text();
   zwx_s = element.getElementsByTag("zwx_s").text();
   ssd_l = element.getElementsByTag("ssd_l").text();
   ssd_s = element.getElementsByTag("ssd_s").text();
   ktk_l = element.getElementsByTag("ktk_l").text();
   ktk_s = element.getElementsByTag("ktk_s").text();
   xcz_l = element.getElementsByTag("xcz_l").text();
   xcz_s = element.getElementsByTag("xcz_s").text();
   chy_l = element.getElementsByTag("chy_l").text();
   chy_shuoming = element.getElementsByTag("chy_shuoming").text();
   pollution_l = element.getElementsByTag("pollution_l").text();
   pollution_s = element.getElementsByTag("pollution_s").text();
   gm_l = element.getElementsByTag("gm_l").text();
   gm_s = element.getElementsByTag("gm_s").text();
   yd_l = element.getElementsByTag("yd_l").text();
   yd_s = element.getElementsByTag("yd_s").text();
   isLoaded = true;
  } catch (UnsupportedEncodingException e) {
   isLoaded = false;
  }
}

public static final String ENCODE = "utf-8";
public static String doGet(String url) {
  try {
   HttpGet httpGet = new HttpGet(url);
   HttpClient hc = new DefaultHttpClient();
   HttpResponse ht = hc.execute(httpGet);
   if (ht.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
    HttpEntity he = ht.getEntity();
    InputStream is = he.getContent();
    BufferedReader br = new BufferedReader(
      new InputStreamReader(is));
    String response = "";
    String readLine = null;
    while ((readLine = br.readLine()) != null) {
     response = response + readLine;
    }
    is.close();
    br.close();
    return response;
   } else {
    return "error";
   }
  } catch (Exception e) {
   return "error";
  }
}