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。简单介绍下
/** * WxDaoImpl * * @author xuyw * @email [email protected] * @date 2014-06-22 */
接口说明
根据经纬度/城市名查询天气的结果
接口示例
http://api.map.baidu.com/telematics/v3/weather?location=北京&output=json&ak=yourkey
接口参数说明
| 参数类型 | 参数名称 | 是否必须 | 具体描述 |
|---|---|---|---|
| String | ak | true | 开发者密钥 |
| String | sn | false | 若用户所用ak的校验方式为sn校验时该参数必须。 （sn生成算法） |
| 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，默认为xml格式，当output设置为’json’时，输出的为json格式的数据; |
| String | coord_type | false | 请求参数坐标类型，默认为gcj02经纬度坐标。允许的值为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表示经过国测局加密的坐标。wgs84表示gps获取的坐标。 |
返回结果
| 参数名称 | 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 | 白天可返回近期3天的天气情况（今天、明天、后天）、晚上可返回近期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 | 所有天气情况（”|”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
<CityWeatherResponse> <status>success</status> <date>2013-07-18</date> <results> <currentCity>北京市</currentCity> <weather_data> <date>周三(今天, 实时：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>多云</weather> <wind>微风</wind> <temperature>23℃~ 15℃</temperature> <date>周四</date> <dayPictureUrl> http://api.map.baidu.com/images/weather/day/leizhenyu.png </dayPictureUrl> <nightPictureUrl> http://api.map.baidu.com/images/weather/night/zhongyu.png </nightPictureUrl> <weather>雷阵雨转中雨</weather> <wind>微风</wind> <temperature>29～22℃</temperature> <date>周五</date> <dayPictureUrl> http://api.map.baidu.com/images/weather/day/yin.png </dayPictureUrl> <nightPictureUrl> http://api.map.baidu.com/images/weather/night/duoyun.png </nightPictureUrl> <weather>阴转多云</weather> <wind>微风</wind> <temperature>31～23℃</temperature> <date>周六</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>多云</weather> <wind>微风</wind> <temperature>31～24℃</temperature> </weather_data> <currentCity>合肥市</currentCity> <weather_data> <date>周三</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>多云</weather> <wind>东风3-4级</wind> <temperature>27℃</temperature> <date>周四</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>多云</weather> <wind>东北风3-4级</wind> <temperature>35～27℃</temperature> <date>周五</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>多云</weather> <wind>南风</wind> <temperature>35～27℃</temperature> <date>周六</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>多云</weather> <wind>东风</wind> <temperature>34～27℃</temperature> </weather_data> </results> </CityWeatherResponse> <weather>阵雨</weather> <wind>东北风3-4级</wind> <temperature>18℃</temperature> </result> </results> </CityWeatherResponse>
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℃"
}
]
}
]
}
编写代码
/**
* 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<Article> articleList = new ArrayList<Article>();
// 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
<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[周一 06月23日 (实时：25℃) 阵雨 微风]]></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>
<item>
<Title><![CDATA[周二 阵雨 25 ~ 22℃ 微风]]></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>
<item>
<Title><![CDATA[周三 阵雨转雷阵雨 27 ~ 23℃ 微风]]></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>
<item>
<Title><![CDATA[周四 雷阵雨转阵雨 29 ~ 23℃ 微风]]></Title>
<Description><![CDATA[]]></Description>
<PicUrl><![CDATA[http://api.map.baidu.com/images/weather/day/leizhenyu.png]]></PicUrl>
<Url><![CDATA[http://blog.csdn.net/xuyw10000]]></Url>
</item>
</Articles>
</xml>
HttpUtil 见 http://blog.csdn.net/xuyw10000/article/details/33342489
部署sae后运行
时间： 2024-10-12 19:19:48