public Weather(String Cityid) throws IOException, NullPointerException {
		// 解析本机ip地址

		this.Ctiyid = Cityid;
		// 连接中央气象台的API
		URL url = new URL("http://m.weather.com.cn/data/" + Ctiyid + ".html");
		connectionData = url.openConnection();
		connectionData.setConnectTimeout(1000);
		try {
			br = new BufferedReader(new InputStreamReader(
					connectionData.getInputStream(), "UTF-8"));
			sb = new StringBuilder();
			String line = null;
			while ((line = br.readLine()) != null)
				sb.append(line);
		} catch (SocketTimeoutException e) {
			System.out.println("亲，网络没有连接");
		} catch (FileNotFoundException e) {
			System.out.println("亲，网络没有连接");
		}

		jsonData = JSONObject.fromObject(sb.toString());
		weatherinfo = jsonData.getJSONObject("weatherinfo");

		// 设置第一页吗的城市名称 日期
		city = weatherinfo.getString("city").toString();
		week = weatherinfo.getString("week").toString();
		date_y = weatherinfo.getString("date_y").toString();
		fchh = weatherinfo.getString("fchh").toString();
		// 1到6天的天气
		weather1 = weatherinfo.getString("weather1").toString();
		weather2 = weatherinfo.getString("weather2").toString();
		weather3 = weatherinfo.getString("weather3").toString();
		weather4 = weatherinfo.getString("weather4").toString();
		weather5 = weatherinfo.getString("weather5").toString();
		weather6 = weatherinfo.getString("weather6").toString();
		// 1到6天的气温
		temp1 = weatherinfo.getString("temp1").toString();
		temp2 = weatherinfo.getString("temp2").toString();
		temp3 = weatherinfo.getString("temp3").toString();
		temp4 = weatherinfo.getString("temp4").toString();
		temp5 = weatherinfo.getString("temp5").toString();
		temp6 = weatherinfo.getString("temp6").toString();
		// 1到6天的风况
		wind1 = weatherinfo.getString("wind1").toString();
		wind2 = weatherinfo.getString("wind2").toString();
		wind3 = weatherinfo.getString("wind3").toString();
		wind4 = weatherinfo.getString("wind4").toString();
		wind5 = weatherinfo.getString("wind5").toString();
		wind6 = weatherinfo.getString("wind6").toString();
		// 1到6天的风速
		fl1 = weatherinfo.getString("fl1").toString();
		fl2 = weatherinfo.getString("fl2").toString();
		fl3 = weatherinfo.getString("fl3").toString();
		fl4 = weatherinfo.getString("fl4").toString();
		fl5 = weatherinfo.getString("fl5").toString();
		fl6 = weatherinfo.getString("fl6").toString();
		// 各种天气指数
		index = weatherinfo.getString("index").toString();
		index_uv = weatherinfo.getString("index_uv").toString();
		index_tr = weatherinfo.getString("index_tr").toString();
		index_co = weatherinfo.getString("index_co").toString();
		index_cl = weatherinfo.getString("index_cl").toString();
		index_xc = weatherinfo.getString("index_xc").toString();
		index_d = weatherinfo.getString("index_d").toString();
		// 天气情况的图片
		img_title1 = weatherinfo.getString("img_title1").toString();
		img_title2 = weatherinfo.getString("img_title2").toString();
		img_title3 = weatherinfo.getString("img_title3").toString();
		img_title4 = weatherinfo.getString("img_title4").toString();
		img_title5 = weatherinfo.getString("img_title5").toString();
		img_title6 = weatherinfo.getString("img_title6").toString();
		img_title7 = weatherinfo.getString("img_title7").toString();
		img_title8 = weatherinfo.getString("img_title8").toString();
		img_title9 = weatherinfo.getString("img_title9").toString();
		img_title10 = weatherinfo.getString("img_title10").toString();
		img_title11 = weatherinfo.getString("img_title11").toString();
		img_title12 = weatherinfo.getString("img_title12").toString();
	}