- 导包
commons-beanutils.jar
commons-collections-3.1.jar
commons-lang-2.4.jar
ezmorph-1.0.6.jar
json-lib-2.4-jdk15.jar
- 工具类
package cn.qineng.utils;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
/**
* @Author wy
* @Date 2018年1月9日上午10:42:45
* @Version 1.0
*/
public class WeatherUtils {
public static void main(String[] args) {
String outRoomTemperature = getOutRoomTemperatureByGaoDe("汕尾");
System.out.println(outRoomTemperature);
}
/**
* 高德获取天气信息
*
* @param cityName
* @return
*/
public static String getOutRoomTemperatureByGaoDe(String cityName) {
// 读取 高德天气
StringBuffer strBuf = new StringBuffer();
try {
cityName = URLEncoder.encode(cityName, "utf-8");
String accesskey = "sdfsdfsdfsdfsdfsdfsdf"; // 密匙
String url = "http://restapi.amap.com/v3/weather/weatherInfo?key="
+ accesskey + "&city=" + cityName + "&extensions=base";
URL u = new URL(url);
URLConnection con = u.openConnection();
BufferedReader in = new BufferedReader(new InputStreamReader(
con.getInputStream(), "utf-8"));
String line = null;
while ((line = in.readLine()) != null) {
strBuf.append(line);
}
in.close();
// 获取 高德天气
String outRoomWeaterJson = strBuf.toString();
// 使用json 解析
JSONObject weathJsonObj = JSONObject.fromObject(outRoomWeaterJson);
JSONArray lives = weathJsonObj.getJSONArray("lives");
// 天气信息状态为1 , 返回室外天气
if (weathJsonObj.get("status").toString().equals("1")) {
return (String) lives.getJSONObject(0).get("temperature");
} else {
return ""; // 否则返回 空串
}
} catch (Exception e) {
return "";// 抛异常 返回空串
}
}
}