近7天天气预报---Java实现

通过各个平台提供的API接口，获取最近七天的天气预报。

经过测试，基于每天免费调用次数、是否需要注册，选择腾讯的API接口，目前不需要注册，不限制调用次数。

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;public class WeatherUtil {/*** @param province  **省* @param city      **市* @return          基于自身业务，组装的数据*/public static ArrayList getWeekWeather(String province, String city) {ArrayList weatherList = new ArrayList<>();try {String path = "https://wis.qq.com/weather/common?source=pc&weather_type=observe|forecast_24h|air&province=" + province + "&city=" + city;URL url = new URL(path);URLConnection connectionData = url.openConnection();connectionData.setConnectTimeout(1000);BufferedReader br = new BufferedReader(new InputStreamReader(connectionData.getInputStream(), "UTF-8"));StringBuilder sb = new StringBuilder();String line = null;while ((line = br.readLine()) != null)sb.append(line);String datas = sb.toString();System.out.println(datas);JSONObject weekWeatherJSONObject = JSON.parseObject(datas).getJSONObject("data").getJSONObject("forecast_24h");for (int i = 0; i < weekWeatherJSONObject.size(); i++) {JSONObject jsonObject = weekWeatherJSONObject.getJSONObject(i+"");String day_weather = jsonObject.getString("day_weather");String day_weather_short = jsonObject.getString("day_weather_short");String day_wind_direction = jsonObject.getString("day_wind_direction");String day_wind_power = jsonObject.getString("day_wind_power");String max_degree = jsonObject.getString("max_degree");String min_degree = jsonObject.getString("min_degree");String night_weather = jsonObject.getString("night_weather");String night_weather_short = jsonObject.getString("night_weather_short");String night_wind_direction = jsonObject.getString("night_wind_direction");String night_wind_power = jsonObject.getString("night_wind_power");String time = jsonObject.getString("time");String result = "日期：" + time + ", 最高气温：" + max_degree + "， 最低气温" + min_degree + ", 白天天气：" + day_weather + ", 白天风向：" + day_wind_direction + ", 白天风力：" + day_wind_power + ", 夜间天气：" + night_weather + ", 夜间风向：" + night_wind_direction + ", 夜间风力：" + night_wind_power;weatherList.add(result);}} catch (Exception e) {e.printStackTrace();}return weatherList;}/*** @param province  **省* @param city      **市* @param county    **区* @return          基于自身业务，组装的数据*/public static ArrayList getWeekWeather(String province, String city, String county) {ArrayList weatherList = new ArrayList<>();try {String path = "https://wis.qq.com/weather/common?source=pc&weather_type=observe|forecast_24h|air&province=" + province + "&city=" + city + "&county=" + county;URL url = new URL(path);URLConnection connectionData = url.openConnection();connectionData.setConnectTimeout(1000);BufferedReader br = new BufferedReader(new InputStreamReader(connectionData.getInputStream(), "UTF-8"));StringBuilder sb = new StringBuilder();String line = null;while ((line = br.readLine()) != null)sb.append(line);String datas = sb.toString();System.out.println(datas);JSONObject weekWeatherJSONObject = JSON.parseObject(datas).getJSONObject("data").getJSONObject("forecast_24h");for (int i = 0; i < weekWeatherJSONObject.size(); i++) {JSONObject jsonObject = weekWeatherJSONObject.getJSONObject(i+"");String day_weather = jsonObject.getString("day_weather");String day_weather_short = jsonObject.getString("day_weather_short");String day_wind_direction = jsonObject.getString("day_wind_direction");String day_wind_power = jsonObject.getString("day_wind_power");String max_degree = jsonObject.getString("max_degree");String min_degree = jsonObject.getString("min_degree");String night_weather = jsonObject.getString("night_weather");String night_weather_short = jsonObject.getString("night_weather_short");String night_wind_direction = jsonObject.getString("night_wind_direction");String night_wind_power = jsonObject.getString("night_wind_power");String time = jsonObject.getString("time");String result = "日期：" + time + ", 最高气温：" + max_degree + "， 最低气温" + min_degree + ", 白天天气：" + day_weather + ", 白天风向：" + day_wind_direction + ", 白天风力：" + day_wind_power + ", 夜间天气：" + night_weather + ", 夜间风向：" + night_wind_direction + ", 夜间风力：" + night_wind_power;weatherList.add(result);}} catch (Exception e) {e.printStackTrace();}return weatherList;}public static void main(String[] args) throws IOException {String province = "湖南省";String city = "长沙市";String county = "岳麓区";ArrayList weekWeather = getWeekWeather(province, city, county);for (int i = 0; i < weekWeather.size(); i++) {System.out.println(weekWeather.get(i));}}
}

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