官网：https://dashboard.juhe.cn/
先实名认证，认证通过后，看要哪个API 点击“申请新数据” 申请通过之后就可以得到key了。。
输入框输入“天气预报”
点击立即申请后，就会生成key。
天气预报API接口
1、权威渠道，准确性高
2、可查询当前天气，未来数天天气
3、覆盖面广，覆盖并精确到全国区县及以上城市
1、根据经纬度查询天气
（1）、个人账号调用天气预报接口：http://apis.juhe.cn/simpleWeather/query?key=你的KEY&city=%E6%AD%A6%E6%B1%89
返回的结果如下：
{ "reason": "查询成功!", "result": { "city": "武汉", "realtime": { "temperature": "19", "humidity": "23", "info": "晴", "wid": "00", "direct": "西南风", "power": "3级", "aqi": "81" }, "future": [ { "date": "2023-03-13", "temperature": "2/20℃", "weather": "晴", "wid": { "day": "00", "night": "00" }, "direct": "持续无风向" }, { "date": "2023-03-14", "temperature": "9/25℃", "weather": "多云", "wid": { "day": "01", "night": "01" }, "direct": "南风转持续无风向" }, { "date": "2023-03-15", "temperature": "11/24℃", "weather": "多云转阴", "wid": { "day": "01", "night": "02" }, "direct": "东北风" }, { "date": "2023-03-16", "temperature": "8/21℃", "weather": "小雨转中雨", "wid": { "day": "07", "night": "08" }, "direct": "持续无风向" }, { "date": "2023-03-17", "temperature": "7/10℃", "weather": "小雨转阴", "wid": { "day": "07", "night": "02" }, "direct": "北风转持续无风向" } ] }, "error_code": 0 }
（2）、企业账号postman查询武汉的天气：http://v.juhe.cn/weather/geo?format=2&key=保密&lon=114.31667&lat=30.51667
返回数据
{ "resultcode": "200", "reason": "successed!", "result": { "sk": { "temp": "14", "wind_direction": "南风", "wind_strength": "3级", "humidity": "33%", "time": "09:59" }, "today": { "temperature": "2℃~20℃", "weather": "晴", "weather_id": { "fa": "00", "fb": "00" }, "wind": "持续无风向微风", "week": "星期一", "city": "武汉", "date_y": "2023年03月13日", "dressing_index": "较舒适", "dressing_advice": "建议着薄外套、开衫牛仔衫裤等服装。年老体弱者应适当添加衣物，宜着夹克衫、薄毛衣等。", "uv_index": "中等", "comfort_index": "", "wash_index": "较适宜", "travel_index": "适宜", "exercise_index": "适宜", "drying_index": "" }, "future": [ { "temperature": "2℃~20℃", "weather": "晴", "weather_id": { "fa": "00", "fb": "00" }, "wind": "持续无风向微风", "week": "星期一", "date": "20230313" }, { "temperature": "9℃~25℃", "weather": "多云", "weather_id": { "fa": "01", "fb": "01" }, "wind": "南风3-5级", "week": "星期二", "date": "20230314" }, { "temperature": "11℃~24℃", "weather": "多云转阴", "weather_id": { "fa": "01", "fb": "02" }, "wind": "东北风3-5级", "week": "星期三", "date": "20230315" }, { "temperature": "8℃~21℃", "weather": "小雨转中雨", "weather_id": { "fa": "07", "fb": "08" }, "wind": "持续无风向微风", "week": "星期四", "date": "20230316" }, { "temperature": "7℃~10℃", "weather": "小雨转阴", "weather_id": { "fa": "07", "fb": "02" }, "wind": "北风3-5级", "week": "星期五", "date": "20230317" }, { "temperature": "8℃~21℃", "weather": "小雨转中雨", "weather_id": { "fa": "07", "fb": "08" }, "wind": "持续无风向微风", "week": "星期六", "date": "20230318" }, { "temperature": "8℃~21℃", "weather": "小雨转中雨", "weather_id": { "fa": "07", "fb": "08" }, "wind": "持续无风向微风", "week": "星期日", "date": "20230319" } ] }, "error_code": 0 }
（2）、Java代码调用接口
public class WeatherTest { public static void main(String[] args) { HttpClient1 httpClient = new HttpClient1(); JSONObject jsonObject = httpClient.getJSON("http://v.juhe.cn/weather/geo?format=2&key=KEY&lon=LON&lat=LAT".replace("KEY", "保密").replace("LON", "114.31667").replace("LAT", "30.51667")); WeatherVo weatherVo = jsonObject.getJSONObject("result").getJSONObject("today").toJavaObject(WeatherVo.class); System.out.println(weatherVo); } }
工具类：
import com.alibaba.fastjson2.JSON; import com.alibaba.fastjson2.JSONObject; import org.apache.commons.lang3.StringUtils; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.ResponseHandler; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.HttpUriRequest; import org.apache.http.client.methods.RequestBuilder; import org.apache.http.config.ConnectionConfig; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.util.EntityUtils; import java.io.IOException; import java.util.Map; public class HttpClient1 { private ConnectionConfig connectionConfig = ConnectionConfig.custom().setBufferSize(4128).build(); private CloseableHttpClient httpClient = HttpClients.custom().setDefaultConnectionConfig(connectionConfig).build(); /** * get请求-返回JSONObject */ public JSONObject getJSON(String url) { try { RequestBuilder builder = RequestBuilder.get(url); HttpUriRequest request = builder.build(); return httpClient.execute(request,getResponseHandler()); } catch (Exception e) { e.printStackTrace(); } return null; } /** * post请求-返回JSONObject */ public JSONObject postJSON(String url, Map<String, Object> params) { String json=null; if(params!=null && params.size() > 0) json= JSON.toJSONString(params); return postJSON(url, json); } /** * post请求-返回JSONObject */ public JSONObject postJSON(String url, String json) { try { HttpPost httpPost = new HttpPost(url); if(StringUtils.isNotBlank(json)){ StringEntity entity = new StringEntity(json,"utf-8");//解决中文乱码问题 entity.setContentEncoding("UTF-8"); entity.setContentType("application/json"); httpPost.setEntity(entity); } return httpClient.execute(httpPost,getResponseHandler()); } catch (Exception e) { e.printStackTrace(); } return null; } /** * 指定响应返回类型=JSONObject */ private ResponseHandler<JSONObject> getResponseHandler() { ResponseHandler<JSONObject> handler = new ResponseHandler<JSONObject>() { public JSONObject handleResponse(HttpResponse response) throws ClientProtocolException, IOException { HttpEntity entity = response.getEntity(); if (entity != null) { String json = EntityUtils.toString(entity,"UTF-8"); return JSON.parseObject(json); } return null; } }; return handler; } }
封装数据的实体类
@Data public class WeatherVo implements Serializable { /*今日温度*/ private String temperature; /*今日天气*/ private String weather; private String wind; private String week; private String city; @JsonProperty(value = "date_y") private String dateY; /*穿衣指数*/ @JsonProperty(value = "dressing_index") private String dressingIndex; /*穿衣建议*/ @JsonProperty(value = "dressing_advice") private String dressingAdvice; /*紫外线强度*/ @JsonProperty(value = "uv_index") private String uvIndex; /*舒适度指数*/ @JsonProperty(value = "comfort_index") private String comfortIndex; /*洗车指数*/ @JsonProperty(value = "washIndex") private String wash_index; /*旅游指数*/ @JsonProperty(value = "travelIndex") private String travel_index; /*晨练指数*/ @JsonProperty(value = "exercise_index") private String exerciseIndex; /*干燥指数*/ @JsonProperty(value = "drying_index") private String dryingIndex; }
返回数据：
WeatherVo(temperature=2℃~20℃, weather=晴, wind=持续无风向微风, week=星期一, city=武汉, dateY=2023年03月13日, dressingIndex=较舒适,
dressingAdvice=建议着薄外套、开衫牛仔衫裤等服装。年老体弱者应适当添加衣物，宜着夹克衫、薄毛衣等。, uvIndex=中等, comfortIndex=, wash_index=较适宜,
travel_index=适宜, exerciseIndex=适宜, dryingIndex=)
