WeChat Baidu weather Query

I want to make a weather forecast query function and find that Baidu api is quite useful. Brief Introduction

/** * WxDaoImpl *  * @author xuyw * @email xyw10000@163.com * @date 2014-06-22 */

1. 1. Interface Description
2. 2. interface Example
3. 3. interface parameter description
4. 4. Return results
5. 5. return data in xml format
6. 6. return data in json format

Interface Description

Query weather results by longitude and latitude/city name

Interface Example

Http://api.map.baidu.com/telematics/v3/weather? Location = Beijing & output = json & ak = yourkey

Interface parameter description

Parameter type	Parameter Name	Required?	Description
String	Ak	True	Developer key
String	Sn	False	This parameter is required if the accesskey used is used for sn verification. (Sn generation algorithm)
String	Location	True	Enter the city name or latitude and longitude, city name such as Beijing, longitude and latitude format is lng, lat coordinates such as: location = 116.305145, 39.982368; city weather forecast center "|" separated, location = 116.305145, 39.982368 | 122.305145, 36.982368 | ....
String	Output	False	The output data format. The default format is xml. When the output is set to 'json', the output data is in json format;
String	Coord_type	False	Request Parameter coordinate type. The default value is gcj02 longitude and latitude coordinates. The allowed values are bd09ll, bd09mc, gcj02, and wgs84. Bd09ll indicates the coordinates of Baidu longitude and latitude, bd09mc indicates the coordinates of Baidu mocato, and gcj02 indicates the coordinates encrypted by the national test Bureau. Wgs84 indicates the coordinates obtained by gps.

Returned results

Parameter Name		Description	Description
CurrentCity		Current City	Return city name
Status		Returned result status information
Date		Current Time	Year-month-day
Results		Weather forecast information	You can return the weather conditions of the past three days (today, tomorrow, and the day after tomorrow) and the weather conditions of the past four days (today, tomorrow, the day after tomorrow, and the day after tomorrow) at night)
Results. currentCity		Current City
Results. weather_data	Weather_data.date	Weather Forecast Time
	Weather_data.dayPictureUrl	Daytime weather forecast image url
	Weather_data.nightPictureUrl	Night weather forecast image url
	Weather_data.weather	Weather conditions	All weather conditions ("|" separator ): clear | cloudy | overcast | shower | thundershower with hail | sleet | light rain | moderate rain | heavy rain | light snow | moderate snow | heavy snow | Fog | freezing rain | sandstorm | light rain to moderate rain | moderate rain to heavy rain | heavy rain to heavy rain | light snow to moderate snow | moderate snow to heavy snow | heavy snow to heavy snow | dust | yangsha | Strong Sandstorm | haze
	Weather_data.wind	Wind Power
	Weather_data.temperature	Temperature

Returns data in xml format.

<CityWeatherResponse> <status> success </status> <date> 2013-07-18 </date> <results> <currentCity> Beijing </currentCity> <weather_data> <date> Wednesday (today, real-time: 24 ℃) </date> <dayPictureUrl> http://api.map.baidu.com/images/weather/day/duoyun.png </dayPictureUrl> <nightPictureUrl> http://api.map.baidu.com/images/weather/night/duoyun.png </nightPictureUrl> <weather> cloudy </weather> <wind> breeze </wind> <temperature> 23 ℃ ~ 15 deg C </temperature> <date> Thursday </date> <dayPictureUrl> http://api.map.baidu.com/images/weather/day/leizhenyu.png </dayPictureUrl> http://api.map.baidu.com/images/weather/night/zhongyu.png </nightPictureUrl> <weather> thundershower to moderate rain </weather> <wind> breeze </wind> <temperature> 29 ~ 22 deg C </temperature> <date> Friday </date> <dayPictureUrl> http://api.map.baidu.com/images/weather/day/yin.png </dayPictureUrl> <nihtpictureurl> http://api.map.baidu.com/images/weather/night/duoyun.png </nihtpictureurl> <weather> overcast to cloudy </weather> <wind> breeze </wind> <temperature> 31 ~ 23 deg C </temperature> <date> Saturday </date> <dayPictureUrl> http://api.map.baidu.com/images/weather/day/duoyun.png </dayPictureUrl> <nihtpictureurl> http://api.map.baidu.com/images/weather/night/duoyun.png </nihtpictureurl> <weather> cloudy </weather> <wind> breeze </wind> <temperature> 31 ~ 24 deg C </temperature> </weather_data> <currentCity> Hefei </currentCity> <weather_data> <date> Wednesday </date> <dayPictureUrl> http://api.map.baidu.com/images/weather/day/duoyun.png </dayPictureUrl> <nightPictureUrl> http://api.map.baidu.com/images/weather/night/duoyun.png </nightPictureUrl> <weather> cloudy </weather> <wind> Dongfeng 3-4 </wind> <temperature> 27 ℃ </temperature> <date> Thursday </date> http://api.map.baidu.com/images/we <dayPictureUrl> Ather/day/duoyun.png </dayPictureUrl> <nightPictureUrl> http://api.map.baidu.com/images/weather/night/duoyun.png </nightPictureUrl> <weather> cloudy </weather> <wind> northeast 3-4 </wind> <temperature> 35 ~ 27 deg C </temperature> <date> Friday </date> <dayPictureUrl> http://api.map.baidu.com/images/weather/day/duoyun.png </dayPictureUrl> <nightPictureUrl> http://api.map.baidu.com/images/weather/night/duoyun.png </nightPictureUrl> <weather> cloudy </weather> <wind> Nanfeng </wind> <temperature> 35 ~ 27 deg C </temperature> <date> Saturday </date> <dayPictureUrl> http://api.map.baidu.com/images/weather/day/duoyun.png </dayPictureUrl> <nihtpictureurl> http://api.map.baidu.com/images/weather/night/duoyun.png </nihtpictureurl> <weather> cloudy </weather> <wind> Dongfeng </wind> <temperature> 34 ~ 27 ℃ </temperature> </weather_data> </results> </CityWeatherResponse> <weather> shower </weather> <wind> northeast wind 3-4 </wind> <temperature> 18 ℃ </temperature> </result> </results> </CityWeatherResponse>

Return data in json format

{Error: 0, status: "success", date: "2013-07-17", results: [{currentCity: "Beijing", weather_data: [{date: "Wednesday (today, real-time: ", dayPictureUrl:" http://api.map.baidu.com/images/weather/day/duoyun.png ", nightPictureUrl:" http://api.map.baidu.com/images/weather/night/duoyun.png ", weather:" Cloudy ", wind:" Breeze ", temperature:" 23 deg C ~ 15 deg C "}, {date:" tomorrow (Thursday) ", dayPictureUrl:" http://api.map.baidu.com/images/weather/day/leizhenyu.png ", nightPictureUrl:" http://api.map.baidu.com/images/weather/night/zhongyu.png ", weather:" thundershower to moderate rain ", wind: "Breeze", temperature: "29 ~ 22 deg C "}, {date:" The day after tomorrow (Friday) ", dayPictureUrl:" http://api.map.baidu.com/images/weather/day/yin.png ", nightPictureUrl:" http://api.map.baidu.com/images/weather/night/duoyun.png ", weather:" Overcast to cloudy ", wind: "Breeze", temperature: "31 ~ 23 deg C "}, {date:" day after tomorrow (Saturday) ", dayPictureUrl:" http://api.map.baidu.com/images/weather/day/duoyun.png ", nightPictureUrl:" http://api.map.baidu.com/images/weather/night/duoyun.png ", weather:" Cloudy ", wind:" Breeze ", temperature: "31 ~ 24 deg C "}] },{ currentCity:" ", weather_data: [{date:" today (Wednesday) ", dayPictureUrl:" http://api.map.baidu.com/images/weather/day/duoyun.png ", nightPictureUrl:" http://api.map.baidu.com/images/weather/night/duoyun.png ", weather: "Cloudy", wind: "Dongfeng 3-4", temperature: "27 ℃"}, {date: "tomorrow (Thursday)", dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png", nightPictureUrl: http://api.map.baidu.com/images/weather /Night/duoyun.png ", weather:" Cloudy ", wind:" Northeast 3-4 ", temperature:" 35 ~ 27 deg C "},{ date:" The day after tomorrow (Friday) ", dayPictureUrl:" http://api.map.baidu.com/images/weather/day/duoyun.png ", nightPictureUrl:" http://api.map.baidu.com/images/weather/night/duoyun.png ", weather:" Cloudy ", wind:" Nanfeng ", temperature: "35 ~ 27 deg C "}, {date:" day after tomorrow (Saturday) ", dayPictureUrl:" http://api.map.baidu.com/images/weather/day/duoyun.png ", nightPictureUrl:" http://api.map.baidu.com/images/weather/night/duoyun.png ", weather:" Cloudy ", wind:" Dongfeng ", temperature: "34 ~ 27 ℃ "}]}

Write code

/*** Get weather ** @ param city * @ return */public static JSONObject getWeatherInfo (String city) {JSONObject obj = JSONObject. fromObject (HttpUtil. getRequest (GET_WEATHER_URL, "location:" + city, "output: json", "ak:" + Config. BAIDU_GEOCONV_KEY); return obj ;}

Returned results

{"Error": 0, "status": "success", "date": "2014-06-23", "results": [{"currentCity": "leping ", "weather_data": [{"date": "Monday June 23 (Real-Time: 25 ℃)", "dayPictureUrl": "http://api.map.baidu.com/images/weather/day/zhenyu.png", "maid": "http://api.map.baidu.com/images/weather/night/zhenyu.png ", "weather": "Shower", "wind": "Breeze", "temperature": "26 ~ 22 deg C "},{" date ":" Tuesday "," dayPictureUrl ":" http://api.map.baidu.com/images/weather/day/zhenyu.png "," nightPictureUrl ":" http://api.map.baidu.com/images/weather/night/zhenyu.png "," weather ":" Shower ", "wind": "Breeze", "temperature": "25 ~ 22 deg C "},{" date ":" Wednesday "," dayPictureUrl ":" http://api.map.baidu.com/images/weather/day/zhenyu.png "," nightPictureUrl ":" http://api.map.baidu.com/images/weather/night/leizhenyu.png "," weather ":" shower to thundershower ", "wind": "Breeze", "temperature": "27 ~ 23 deg C "},{" date ":" Thursday "," dayPictureUrl ":" http://api.map.baidu.com/images/weather/day/leizhenyu.png "," nightPictureUrl ":" http://api.map.baidu.com/images/weather/night/zhenyu.png "," weather ":" thundershower to shower ", "wind": "Breeze", "temperature": "29 ~ 23 ℃ "}]}

Convert the result to multiple images

/*** Obtain weather ** @ param map * @ return */public String getWeather (Map map) {String message = null; String openid = map. get ("FromUserName") + ""; String toUserName = map. get ("ToUserName") + ""; String city = map. get ("city") + ""; JSONObject obj = BaiduUtil. getWeatherInfo (city); String status = obj. getString ("status"); if ("success ". equals (status) {// found JSONArray jarray = obj. getJSONArray ("results"); int size = jarr Ay. size (); if (size> 0) {JSONObject j2 = jarray. getJSONObject (0); JSONArray jarray2 = j2.getJSONArray ("weather_data"); List <Article> articleList = new ArrayList <Article> (); // create a text message NewsMessage newsMessage = new NewsMessage (); newsMessage. setToUserName (openid); newsMessage. setFromUserName (toUserName); newsMessage. setCreateTime (new Date (). getTime (); newsMessage. setMsgType (MessageUtil. RESP_MESSAGE_TYPE_NEWS); news Message. setFuncFlag (0); int size2 = jarray2.size (); for (int I = 0; I <jarray2.size (); I ++) {JSONObject j3 = jarray2.getJSONObject (I ); string date = j3.getString ("date"); String weather = j3.getString ("weather"); String wind = j3.getString ("wind"); String temperature = j3.getString ("temperature "); string title = ""; String img_url = j3.getString ("dayPictureUrl"); if (I = 0) {title = date + "" + weather + "" + wind ;} else {title = date + "" + Weather + "" + temperature + "" + wind;} Article article = new Article (); article. setTitle (title); article. setDescription (""); article. setPicUrl (img_url); article. setUrl ("http://blog.csdn.net/xuyw10000"); articleList. add (article);} newsMessage. setArticleCount (size2); newsMessage. setArticles (articleList); message = MessageUtil. newsMessageToXml (newsMessage);} else {map. put ("xuywMsg", "Ah, the weather of" + city + "cannot be found. "); Message = sendTextMessage (map) ;}} else {// No result map. put (" xuywMsg "," Ah, Baidu cannot find this place. "); Message = sendTextMessage (map);} return message ;}

Result

<Xml> <ToUserName> <! [CDATA [sadsdaewwaewea]> </ToUserName> <FromUserName> <! [CDATA [bbbbb]> </FromUserName> <CreateTime> <! [CDATA [1403495665819]> </CreateTime> <MsgType> <! [CDATA [news]> </MsgType> <FuncFlag> <! [CDATA [0]> </FuncFlag> <ArticleCount> <! [CDATA [4]> </ArticleCount> <Articles> <item> <Title> <! [CDATA [Monday June 23 (Real-Time: 25 ℃) shower breeze]> </Title> <Description> <! [CDATA []> </Description> <PicUrl> <! [CDATA [http://api.map.baidu.com/images/weather/day/zhenyu.png#]> </PicUrl> <Url> <! [CDATA [http://blog.csdn.net/xuyw10000]]> </Url> </item> <Title> <! [CDATA [Tuesday shower 25 ~ 22 ℃ breeze]> </Title> <Description> <! [CDATA []> </Description> <PicUrl> <! [CDATA [http://api.map.baidu.com/images/weather/day/zhenyu.png#]> </PicUrl> <Url> <! [CDATA [http://blog.csdn.net/xuyw10000]]> </Url> </item> <Title> <! [CDATA [Sunday shower to thundershower 27 ~ 23 ℃ breeze]> </Title> <Description> <! [CDATA []> </Description> <PicUrl> <! [CDATA [http://api.map.baidu.com/images/weather/day/zhenyu.png#]> </PicUrl> <Url> <! [CDATA [http://blog.csdn.net/xuyw10000]]> </Url> </item> <Title> <! [CDATA [Thursday thundershower to shower 29 ~ 23 ℃ breeze]> </Title> <Description> <! [CDATA []> </Description> <PicUrl> <! [CDATA [http://api.map.baidu.com/images/weather/day/leizhenyu.png.pdf]> </PicUrl> <Url> <! [CDATA [http://blog.csdn.net/xuyw10000]]> </Url> </item> </Articles> </xml>

HttpUtil see http://blog.csdn.net/xuyw10000/article/details/33342489

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