空气质量指数查询示例代码Java

空气质量指数查询

package api.jisuapi.aqi;

import java.net.URLEncoder;

import api.util.HttpUtil;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

public class Query {

	public static final String APPKEY = "87b51e1d2b0a3513";// 浣犵殑appkey
	public static final String URL = "https://api.jisuapi.com/aqi/query";
	public static final String city = "杭州";// utf-8

	public static void Get() throws Exception  {
		String result = null;
		String url = URL + "?appkey=" + APPKEY + "&city=" + URLEncoder.encode(city,"utf-8");		

		try {
			result = HttpUtil.sendGet(url, "utf-8");
			JSONObject json = JSONObject.fromObject(result);
			if (json.getInt("status") != 0) {
				System.out.println(json.getString("msg"));
			} else {
				JSONObject resultarr = json.optJSONObject("result");
				String cityid = resultarr.getString("cityid");
				String city = resultarr.getString("city");
				String so2 = resultarr.getString("so2");
				String so224 = resultarr.getString("so224");
				String no2 = resultarr.getString("no2");
				String no224 = resultarr.getString("no224");
				String co = resultarr.getString("co");
				String co24 = resultarr.getString("co24");
				String o3 = resultarr.getString("o3");
				String o38 = resultarr.getString("o38");
				String o324 = resultarr.getString("o324");
				String pm10 = resultarr.getString("pm10");
				String pm1024 = resultarr.getString("pm1024");
				String pm2_5 = resultarr.getString("pm2_5");
				String pm2_524 = resultarr.getString("pm2_524");
				String iso2 = resultarr.getString("iso2");
				String ino2 = resultarr.getString("ino2");
				String ico = resultarr.getString("ico");
				String io3 = resultarr.getString("io3");
				String io38 = resultarr.getString("io38");
				String ipm10 = resultarr.getString("ipm10");
				String ipm2_5 = resultarr.getString("ipm2_5");
				String aqi = resultarr.getString("aqi");
				String primarypollutant = resultarr.getString("primarypollutant");
				String quality = resultarr.getString("quality");
				String timepoint = resultarr.getString("timepoint");
				System.out.println(cityid + " " + city + " " + so2 + " " + so224 + " " + no2 + " " + no224 + " " + co
						+ " " + co24 + " " + o3 + " " + o38 + " " + o324 + " " + pm10 + " " + pm1024 + " " + pm2_5 + " "
						+ pm2_524 + " " + iso2 + " " + ino2 + " " + ico + " " + io3 + " " + io38 + " " + ipm10 + " "
						+ ipm2_5 + " " + aqi + " " + primarypollutant + " " + quality + " " + timepoint);
				if (resultarr.opt("aqiinfo") != null) {
					JSONObject aqiinfo = resultarr.optJSONObject("aqiinfo");
					String level = aqiinfo.getString("level");
					String color = aqiinfo.getString("color");
					String affect = aqiinfo.getString("affect");
					String measure = aqiinfo.getString("measure");
					System.out.println(level + " " + color + " " + affect + " " + measure);
				}
				if (resultarr.opt("position") != null) {
					JSONArray position = resultarr.optJSONArray("position");
					for (int i = 0; i < position.size(); i++) {
						JSONObject obj = (JSONObject) position.opt(i);
						String positionname = obj.getString("positionname");
						String so2_ = obj.getString("so2");
						String so224_ = obj.getString("so224");
						String no2_ = obj.getString("no2");
						String no224_ = obj.getString("no224");
						String co_ = obj.getString("co");
						String co24_ = obj.getString("co24");
						String o3_ = obj.getString("o3");
						String o38_ = obj.getString("o38");
						String o324_ = resultarr.getString("o324");
						String pm10_ = resultarr.getString("pm10");
						String pm1024_ = resultarr.getString("pm1024");
						String pm2_5_ = resultarr.getString("pm2_5");
						String pm2_524_ = resultarr.getString("pm2_524");
						String iso2_ = resultarr.getString("iso2");
						String ino2_ = resultarr.getString("ino2");
						String ico_ = resultarr.getString("ico");
						String io3_ = resultarr.getString("io3");
						String io38_ = resultarr.getString("io38");
						String ipm10_ = resultarr.getString("ipm10");
						String ipm2_5_ = resultarr.getString("ipm2_5");
						String aqi_ = resultarr.getString("aqi");
						String primarypollutant_ = resultarr.getString("primarypollutant");
						String quality_ = resultarr.getString("quality");
						String timepoint_ = resultarr.getString("timepoint");
						System.out.println(positionname + " " + so2_ + " " + so224_ + " " + no2_ + " " + no224_ + " "
								+ co_ + " " + co24_ + " " + o3_ + " " + o38_ + " " + o324_ + " " + pm10_ + " " + pm1024_
								+ " " + pm2_5_ + " " + pm2_524_ + " " + iso2_ + " " + ino2_ + " " + ico_ + " " + io3_
								+ " " + io38_ + " " + ipm10_ + " " + ipm2_5_ + " " + aqi_ + " " + primarypollutant_
								+ " " + quality_ + " " + timepoint_);
					}
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}

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