想在微信上做个天气预报查询功能,发现百度api还挺好用的。简介下
/** * WxDaoImpl * * @author xuyw * @email xyw10000@163.com * @date 2014-06-22 */
接口说明
依据经纬度/城市名查询天气的结果
接口演示样例
接口參数说明
| 參数类型 | 參数名称 | 是否必须 | 详细描写叙述 |
|---|---|---|---|
| String | ak | true | 开发人员密钥 |
| String | sn | false | 若用户所用ak的校验方式为sn校验时该參数必须。 （） |
| String | location | true | 输入城市名或经纬度，城市名称如:北京，经纬度格式为lng,lat坐标如: location=116.305145,39.982368;城市天气预报中间"|"分隔,location=116.305145,39.982368| 122.305145,36.982368|…. |
| String | output | false | 输出的数据格式，默觉得xml格式，当output设置为’json’时，输出的为json格式的数据; |
| String | coord_type | false | 请求參数坐标类型，默觉得gcj02经纬度坐标。同意的值为bd09ll、bd09mc、gcj02、wgs84。bd09ll表示百度经纬度坐标，bd09mc表示百度墨卡托坐标，gcj02表示经过国測局加密的坐标。wgs84表示gps获取的坐标。 |
返回结果
| 參数名称 | 含义 | 说明 | |
|---|---|---|---|
| currentCity | 当前城市 | 返回城市名 | |
| status | 返回结果状态信息 | ||
| date | 当前时间 | 年-月-日 | |
| results | 天气预报信息 | 白天可返回最近3天的天气情况（今天、明天、后天）、晚上可返回最近4天的天气情况（今天、明天、后天、大后天） | |
| results.currentCity | 当前城市 | ||
| results.weather_data | weather_data.date | 天气预报时间 | |
| weather_data.dayPictureUrl | 白天的天气预报图片url | ||
| weather_data.nightPictureUrl | 晚上的天气预报图片url | ||
| weather_data.weather | 天气状况 | 全部天气情况（”|”分隔符）：晴|多云|阴|阵雨|雷阵雨|雷阵雨伴有冰雹|雨夹雪|小雨|中雨|大雨|暴雨|大暴雨|特大暴雨|阵雪|小雪|中雪|大雪|暴雪|雾|冻雨|沙尘暴|小雨转中雨|中雨转大雨|大雨转暴雨|暴雨转大暴雨|大暴雨转特大暴雨|小雪转中雪|中雪转大雪|大雪转暴雪|浮尘|扬沙|强沙尘暴|霾 | |
| weather_data.wind | 风力 | ||
| weather_data.temperature | 温度 | ||
返回xml格式的数据
success 2013-07-18 北京市 周三(今天, 实时：24℃) http://api.map.baidu.com/images/weather/day/duoyun.png http://api.map.baidu.com/images/weather/night/duoyun.png 多云 微风 23℃~ 15℃ 周四 http://api.map.baidu.com/images/weather/day/leizhenyu.png http://api.map.baidu.com/images/weather/night/zhongyu.png 雷阵雨转中雨 微风 29～22℃ 周五 http://api.map.baidu.com/images/weather/day/yin.png http://api.map.baidu.com/images/weather/night/duoyun.png 阴转多云 微风 31～23℃ 周六 http://api.map.baidu.com/images/weather/day/duoyun.png http://api.map.baidu.com/images/weather/night/duoyun.png 多云 微风 31～24℃ 合肥市 周三 http://api.map.baidu.com/images/weather/day/duoyun.png http://api.map.baidu.com/images/weather/night/duoyun.png 多云 东风3-4级 27℃ 周四 http://api.map.baidu.com/images/weather/day/duoyun.png http://api.map.baidu.com/images/weather/night/duoyun.png 多云 东北风3-4级 35～27℃ 周五 http://api.map.baidu.com/images/weather/day/duoyun.png http://api.map.baidu.com/images/weather/night/duoyun.png 多云 南风 35～27℃ 周六 http://api.map.baidu.com/images/weather/day/duoyun.png http://api.map.baidu.com/images/weather/night/duoyun.png 多云 东风 34～27℃ 阵雨 东北风3-4级 18℃
返回json格式的数据
{error: 0,status: "success",date: "2013-07-17",results: [{currentCity: "北京市",weather_data: [{date: "周三(今天, 实时：24℃)",dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png",nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",weather: "多云",wind: "微风",temperature: "23℃~ 15℃"},{date: "明天（周四）",dayPictureUrl: "http://api.map.baidu.com/images/weather/day/leizhenyu.png",nightPictureUrl: "http://api.map.baidu.com/images/weather/night/zhongyu.png",weather: "雷阵雨转中雨",wind: "微风",temperature: "29～22℃"},{date: "后天（周五）",dayPictureUrl: "http://api.map.baidu.com/images/weather/day/yin.png",nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",weather: "阴转多云",wind: "微风",temperature: "31～23℃"},{date: "大后天（周六）",dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png",nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",weather: "多云",wind: "微风",temperature: "31～24℃"}]},{currentCity: "合肥市",weather_data: [{date: "今天（周三）",dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png",nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",weather: "多云",wind: "东风3-4级",temperature: "27℃"},{date: "明天（周四）",dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png",nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",weather: "多云",wind: "东北风3-4级",temperature: "35～27℃"},{date: "后天（周五）",dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png",nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",weather: "多云",wind: "南风",temperature: "35～27℃"},{date: "大后天（周六）",dayPictureUrl: "http://api.map.baidu.com/images/weather/day/duoyun.png",nightPictureUrl: "http://api.map.baidu.com/images/weather/night/duoyun.png",weather: "多云",wind: "东风",temperature: "34～27℃"}]}]} /** * 获取天气 * @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; } 返回结果 {"error":0,"status":"success","date":"2014-06-23","results":[{"currentCity":"乐平","weather_data":[{"date":"周一 06月23日 (实时：25℃)","dayPictureUrl":"http://api.map.baidu.com/images/weather/day/zhenyu.png","nightPictureUrl":"http://api.map.baidu.com/images/weather/night/zhenyu.png","weather":"阵雨","wind":"微风","temperature":"26 ~ 22℃"},{"date":"周二","dayPictureUrl":"http://api.map.baidu.com/images/weather/day/zhenyu.png","nightPictureUrl":"http://api.map.baidu.com/images/weather/night/zhenyu.png","weather":"阵雨","wind":"微风","temperature":"25 ~ 22℃"},{"date":"周三","dayPictureUrl":"http://api.map.baidu.com/images/weather/day/zhenyu.png","nightPictureUrl":"http://api.map.baidu.com/images/weather/night/leizhenyu.png","weather":"阵雨转雷阵雨","wind":"微风","temperature":"27 ~ 23℃"},{"date":"周四","dayPictureUrl":"http://api.map.baidu.com/images/weather/day/leizhenyu.png","nightPictureUrl":"http://api.map.baidu.com/images/weather/night/zhenyu.png","weather":"雷阵雨转阵雨","wind":"微风","temperature":"29 ~ 23℃"}]}]} 将结果转换为微信多图文 /** * 获取天气 * * @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)){//查找到了 JSONArray jarray=obj.getJSONArray("results"); int size=jarray.size(); if(size>0){ JSONObject j2=jarray.getJSONObject(0); JSONArray jarray2=j2.getJSONArray("weather_data"); List articleList = new ArrayList (); // 创建图文消息 NewsMessage newsMessage = new NewsMessage(); newsMessage.setToUserName(openid); newsMessage.setFromUserName(toUserName); newsMessage.setCreateTime(new Date().getTime()); newsMessage.setMsgType(MessageUtil.RESP_MESSAGE_TYPE_NEWS); newsMessage.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", "啊噢,找不到“"+city+"”的天气。"); message=sendTextMessage(map); } }else{//无结果 map.put("xuywMsg", "啊噢,这个地方百度都找不到。"); message=sendTextMessage(map); } return message; } 结果 HttpUtil 见<![CDATA[周一 06月23日 (实时：25℃) 阵雨 微风]]> <![CDATA[周二 阵雨 25 ~ 22℃ 微风]]> <![CDATA[周三 阵雨转雷阵雨 27 ~ 23℃ 微风]]> <![CDATA[周四 雷阵雨转阵雨 29 ~ 23℃ 微风]]>
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